Recent

  • Show all results for ""

🎧 New: AI-Generated Podcasts Turn your study notes into engaging audio conversations. Learn more

The Digestive System Functions Quiz
257 Questions
0 Views

The Digestive System Functions Quiz

Created by
@RewardingOlive

Podcast Beta

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What is the function of ingestion in the digestive system?

  • Taking in food (correct)
  • Breaking down food into nutrients
  • Elimination of indigestible waste
  • Movement of nutrients into the bloodstream

    • What does the process of absorption involve in the digestive system?

  • Breaking down food into nutrients
  • Elimination of indigestible waste
  • Movement of nutrients into the bloodstream (correct)
  • Taking in food

    • What is the role of defecation in the digestive system?

  • Movement of nutrients into the bloodstream
  • Elimination of indigestible waste (correct)
  • Taking in food
  • Breaking down food into nutrients

    • Which organs are part of the accessory digestive organs?

    <p>Teeth and tongue B-D</p> Signup and view all the answers

    What is the function of the alimentary canal in the digestive system?

    <p>Ingest, digest, absorb, and defecate</p> Signup and view all the answers

    Where does the alimentary canal start?

    <p>Mouth</p> Signup and view all the answers

    Which organ is not part of the alimentary canal?

    <p>Liver</p> Signup and view all the answers

    Through which organ does food pass after leaving the stomach?

    <p>Small intestine</p> Signup and view all the answers

    What forms the anterior roof of the mouth (oral cavity)?

    <p>Hard palate</p> Signup and view all the answers

    What is the function of the lips (labia) in the mouth?

    <p>Protect the anterior opening</p> Signup and view all the answers

    Which structure forms the posterior roof of the mouth (oral cavity)?

    <p>Soft palate</p> Signup and view all the answers

    What forms the lateral walls of the mouth (oral cavity)?

    <p>Cheeks</p> Signup and view all the answers

    What is the role of the lips (labia) in the mouth?

    <p>Protect the anterior opening</p> Signup and view all the answers

    Which structure forms a fleshy projection of the soft palate?

    <p>Uvula</p> Signup and view all the answers

    What is the space between the lips externally and teeth and gums internally called?

    <p>Vestibule</p> Signup and view all the answers

    Where is the tongue attached in the mouth?

    <p>Hyoid bone and styloid processes of the skull</p> Signup and view all the answers

    What area is contained by the teeth in the mouth?

    <p>Oral cavity proper</p> Signup and view all the answers

    Where are the lingual tonsils located?

    <p>At the base of the tongue</p> Signup and view all the answers

    What is the location of the palatine tonsils?

    <p>At the posterior end of the oral cavity</p> Signup and view all the answers

    Where are the lingual tonsils located?

    <p>At the base of the tongue</p> Signup and view all the answers

    What forms the lateral walls of the mouth (oral cavity)?

    <p>Cheeks</p> Signup and view all the answers

    What is the role of the tonsils in the mouth?

    <p>To help fight infections</p> Signup and view all the answers

    What is the function of the tongue in the mouth?

    <p>Mixes masticated food with saliva</p> Signup and view all the answers

    What is the primary function of mastication in the mouth?

    <p>Chewing of food</p> Signup and view all the answers

    Where are taste buds primarily located for taste sensation?

    <p>On the tongue</p> Signup and view all the answers

    Where does food pass from the mouth posteriorly into?

    <p>Oropharynx</p> Signup and view all the answers

    What is the region below the oropharynx and continuous with the esophagus called?

    <p>Laryngopharynx</p> Signup and view all the answers

    Which part of the pharynx is located posterior to the oral cavity?

    <p>Oropharynx</p> Signup and view all the answers

    What is the function of the pharynx in the digestive system?

    <p>Serving as a passageway for food, fluids, and air</p> Signup and view all the answers

    How is food propelled to the esophagus from the pharynx?

    <p>Alternating contractions of the muscle layers (peristalsis) propel the food Longitudinal inner layer Circular outer layer</p> Signup and view all the answers

    Which muscle layers in the pharynx propel food to the esophagus?

    <p>Longitudinal inner layer and circular outer layer</p> Signup and view all the answers

    What is the primary function of the esophagus in the digestive system?

    <p>Conducts food to the stomach by peristalsis</p> Signup and view all the answers

    Where does the esophagus (Passageway for food only) (respiratory system branches off after the pharynx) run from and to?

    <p>From pharynx to stomach through the diaphragm</p> Signup and view all the answers

    What is the mechanism by which the esophagus conducts food to the stomach?

    <p>Peristalsis (slow rhythmic squeezing)</p> Signup and view all the answers

    Which layer of tissue in the alimentary canal organs is the innermost?

    <p>Mucosa</p> Signup and view all the answers

    Which layer of tissue in the alimentary canal organs is responsible for providing a protective outer covering?

    <p>Serosa</p> Signup and view all the answers

    Which layer of tissue in the alimentary canal organs contains blood vessels, lymphatic vessels, and nerves?

    <p>Submucosa 2</p> Signup and view all the answers

    In the alimentary canal organs, which layer is located closest to the inner part of the canal?

    <p>Mucosa</p> Signup and view all the answers

    Which layer in the alimentary canal organs is responsible for providing structural support and elasticity?

    <p>Muscularis externa</p> Signup and view all the answers

    Which layer of the alimentary canal organs is the outermost layer providing protection and anchoring the organs to surrounding structures?

    <p>Serosa</p> Signup and view all the answers

    What is the innermost layer of tissue in the alimentary canal organs?

    <p>Mucosa</p> Signup and view all the answers

    Which type of tissue primarily lines the surface epithelium of the mucosa in the alimentary canal organs?

    <p>Simple columnar tissue</p> Signup and view all the answers

    What is the function of the lamina propria in the mucosa of the alimentary canal organs?

    <p>Supporting connective tissue</p> Signup and view all the answers

    What type of tissue primarily lines the surface epithelium of the mucosa in the alimentary canal organs?

    <p>Simple columnar tissue</p> Signup and view all the answers

    Which layer of tissue in the alimentary canal organs contains blood vessels, lymphatic vessels, and nerves?

    <p>Submucosa</p> Signup and view all the answers

    What is the innermost layer of tissue in the alimentary canal organs called?

    <p>Mucosa</p> Signup and view all the answers

    Where does food enter the stomach from?

    <p>Cardioesophageal sphincter from the esophagus</p> Signup and view all the answers

    What is the location of the stomach in the abdominal cavity?

    <p>Left side</p> Signup and view all the answers

    Where does food empty into from the stomach?

    <p>Small intestine at the pyloric sphincter</p> Signup and view all the answers

    Where is the cardial part of the stomach located?

    <p>Near the heart</p> Signup and view all the answers

    Which part of the stomach is the expanded portion lateral to the cardiac region?

    <p>Fundus</p> Signup and view all the answers

    Which part of the stomach forms the funnel-shaped terminal end?

    <p>Pylorus</p> Signup and view all the answers

    What is the capacity of the stomach when it is full?

    <p>4 liters</p> Signup and view all the answers

    What are rugae in the stomach?

    <p>Folds of the mucosa present when the stomach is empty</p> Signup and view all the answers

    Where is the greater curvature of the stomach located?

    <p>Convex lateral surface</p> Signup and view all the answers

    Where is the lesser curvature of the stomach located?

    <p>Concave medial surface</p> Signup and view all the answers

    On which surface of the stomach is the greater curvature found?

    <p>Convex lateral surface</p> Signup and view all the answers

    Which term describes the shape of the greater curvature of the stomach? Convex and concave are the external regions.

    <p>Convex</p> Signup and view all the answers

    What is the function of the greater omentum in the stomach?

    <p>Insulates, cushions, and protects abdominal organs</p> Signup and view all the answers

    What is the role of the oblique layer in the muscularis externa of the stomach?

    <p>Helps to churn, mix, and pummel the food</p> Signup and view all the answers

    Where is the lesser omentum attached in relation to the stomach?

    <p>Attaches the liver to the lesser curvature</p> Signup and view all the answers

    Where is the greater omentum attached in relation to the stomach?

    <p>To the posterior body wall</p> Signup and view all the answers

    What is the primary function of the oblique layer in the muscularis externa of the stomach?

    <p>To churn, mix, and pummel the food</p> Signup and view all the answers

    What is the role of the lymph follicles in the stomach?

    <p>Contain macrophages</p> Signup and view all the answers

    What is the primary function of the stomach?

    <p>Delivers chyme (processed food) to the small intestine ( all the above)</p> Signup and view all the answers

    Where does the chemical breakdown of protein begin?

    <p>Stomach</p> Signup and view all the answers

    What does the stomach deliver to the small intestine?

    <p>Chyme (processed food)</p> Signup and view all the answers

    What type of epithelium lines the stomach mucosa?

    <p>Simple columnar epithelium</p> Signup and view all the answers

    What do the gastric glands in the stomach secrete?

    <p>Gastric juice containing intrinsic factor and mucus</p> Signup and view all the answers

    What is the role of intrinsic factor in the stomach?

    <p>Aids in vitamin B12 absorption in the small intestine</p> Signup and view all the answers

    What do chief cells in the stomach produce?

    <p>Protein-digesting enzymes (pepsinogens)</p> Signup and view all the answers

    What is the primary product of parietal cells in the stomach?

    <p>Hydrochloric acid</p> Signup and view all the answers

    What is the function of mucous neck cells in the stomach?

    <p>Produce thin acidic mucus</p> Signup and view all the answers

    What is the primary function of enteroendocrine cells in the small intestine?

    <p>Produce a hormone called gastrin</p> Signup and view all the answers

    What is the function of the mesentery in relation to the small intestine?

    <p>Suspend the small intestine from the posterior abdominal wall</p> Signup and view all the answers

    Where does the small intestine extend from and to?

    <p>Pyloric sphincter to the ileocecal valve</p> Signup and view all the answers

    What is the primary hormone produced by enteroendocrine cells in the small intestine?

    <p>Gastrin</p> Signup and view all the answers

    Where does fat emulsification begin in the digestive system?

    <p>Small intestine</p> Signup and view all the answers

    What is the primary function of the liver in the digestive system?

    <p>Produce bile</p> Signup and view all the answers

    What is the primary function of the small intestine?

    <p>Absorption of nutrients</p> Signup and view all the answers

    What is the length of the small intestine in a living person?

    <p>2–4 meters</p> Signup and view all the answers

    Which organ is considered the body's major digestive organ?

    <p>Small Intestine</p> Signup and view all the answers

    Where does the jejunum attach to?

    <p>Duodenum</p> Signup and view all the answers

    What is the structure that the ileum meets before the large intestine?

    <p>Jejunum</p> Signup and view all the answers

    What part of the small intestine is attached to the stomach and curves around the head of the pancreas?

    <p>Duodenum</p> Signup and view all the answers

    Where does segmentation primarily occur in the digestive system?

    <p>Small intestines</p> Signup and view all the answers

    Where are enzymes produced for chemical digestion in the small intestine?

    <p>Intestinal cells</p> Signup and view all the answers

    How do pancreatic enzymes reach the duodenum?

    <p>Via pancreatic ducts</p> Signup and view all the answers

    Where is bile formed and how does it enter the duodenum?

    <p>Formed by the liver, enters via the bile duct</p> Signup and view all the answers

    Where do pancreatic ducts carry enzymes?

    <p>To the duodenum</p> Signup and view all the answers

    How does bile enter the duodenum?

    <p>Via the bile duct</p> Signup and view all the answers

    How many kilocalories per gram does fat provide?

    <p>9kcal/g</p> Signup and view all the answers

    What are the three structural modifications that increase surface area for food absorption in the small intestine?

    <p>Microvilli, Villi, Circular folds</p> Signup and view all the answers

    Which structural modification of the small intestine forms fingerlike projections and houses a capillary bed and lacteal?

    <p>Villi</p> Signup and view all the answers

    What are the tiny projections of the plasma membrane in the small intestine that create a brush border appearance?

    <p>Microvilli</p> Signup and view all the answers

    What is the length of the large intestine?

    <p>1.5 meters</p> Signup and view all the answers

    Which part of the large intestine is a subdivision?

    <p>Cecum</p> Signup and view all the answers

    What is the terminal end of the large intestine?

    <p>Anal canal</p> Signup and view all the answers

    What is the function of the appendix in the large intestine?

    <p>It is an accumulation of lymphoid tissue that can become inflamed (appendicitis)</p> Signup and view all the answers

    Where does the appendix hang from in the large intestine?

    <p>Cecum</p> Signup and view all the answers

    What is the cecum in the large intestine?

    <p>The saclike first part of the large intestine</p> Signup and view all the answers

    Where is the sigmoid colon located?

    <p>S-shaped region; enters the pelvis</p> Signup and view all the answers

    Which part of the large intestine travels down the left side of the abdomen?

    <p>Descending colon</p> Signup and view all the answers

    Which part of the large intestine is located in the pelvis?

    <p>Sigmoid colon</p> Signup and view all the answers

    What is the primary muscle type forming the external anal sphincter?

    <p>Skeletal muscle</p> Signup and view all the answers

    When are the anal sphincters normally closed?

    <p>During defecation</p> Signup and view all the answers

    Where does the large intestine deliver undigestible food residues?

    <p>To the body’s exterior</p> Signup and view all the answers

    What type of muscle forms the external anal sphincter?

    <p>Skeletal muscle</p> Signup and view all the answers

    When are the internal and external anal sphincters normally closed?

    <p>During defecation</p> Signup and view all the answers

    Where does the large intestine deliver undigestible food residues?

    <p>To the body's exterior</p> Signup and view all the answers

    What muscle forms the external anal sphincter?

    <p>Skeletal muscle</p> Signup and view all the answers

    When are the anal sphincters normally closed?

    <p>Except during defecation</p> Signup and view all the answers

    Where does the large intestine deliver undigestible food residues?

    <p>To the body’s exterior</p> Signup and view all the answers

    Where does the anal canal end?

    <p>At the anus</p> Signup and view all the answers

    What forms the internal anal sphincter?

    <p>Smooth muscle</p> Signup and view all the answers

    What is the opening of the large intestine called?

    <p>Anus</p> Signup and view all the answers

    Which organ is not part of the accessory digestive organs?

    <p>Small intestine</p> Signup and view all the answers

    Which organ stores and concentrates bile produced by the liver?

    <p>Gallbladder</p> Signup and view all the answers

    Which of the following aids in the mechanical breakdown of food in the mouth?

    <p>Teeth</p> Signup and view all the answers

    How many sets of teeth do humans have during a lifetime?

    <p>2 sets</p> Signup and view all the answers

    At what age do wisdom teeth typically appear if they do emerge?

    <p>Between ages 17 and 25</p> Signup and view all the answers

    How many teeth does a full set of permanent teeth consist of?

    <p>32 teeth</p> Signup and view all the answers

    How many sets of teeth do humans have during a lifetime?

    <p>Two sets: deciduous and permanent teeth</p> Signup and view all the answers

    At what age do permanent teeth start to replace deciduous teeth?

    <p>Between 6 and 12 years</p> Signup and view all the answers

    How many teeth does a baby have by age 2?

    <p>20 teeth</p> Signup and view all the answers

    What is the primary function of incisors?

    <p>Cutting</p> Signup and view all the answers

    What is the main function of canines (eyeteeth)?

    <p>Tearing or piercing</p> Signup and view all the answers

    What is the primary function of premolars (bicuspids)?

    <p>Grinding</p> Signup and view all the answers

    What are the two major regions of a tooth?

    <p>Crown and Root</p> Signup and view all the answers

    Where is the crown of a tooth located?

    <p>Above the gum line</p> Signup and view all the answers

    What is the function of the root of a tooth?

    <p>Anchors the tooth in place</p> Signup and view all the answers

    Where is the dentin found in a tooth?

    <p>Deep to the enamel and forms the bulk of the tooth</p> Signup and view all the answers

    What does the pulp cavity of a tooth contain?

    <p>Connective tissue, blood vessels, and nerve fibers</p> Signup and view all the answers

    Where does the root canal of a tooth extend into?

    <p>The root</p> Signup and view all the answers

    What is the primary function of the pancreas in the digestive system?

    <p>Produces a wide spectrum of digestive enzymes</p> Signup and view all the answers

    What is the role of the alkaline fluid introduced with enzymes from the pancreas?

    <p>Neutralizes acidic chyme from the stomach</p> Signup and view all the answers

    Which hormones are produced by the pancreas?

    <p>Insulin and Glucagon</p> Signup and view all the answers

    Where is the liver located in the body?

    <p>Right side under the diaphragm</p> Signup and view all the answers

    How is the liver connected to the gallbladder?

    <p>Via the common hepatic duct</p> Signup and view all the answers

    What suspends the four lobes of the liver from the diaphragm and abdominal wall?

    <p>Falciform ligament</p> Signup and view all the answers

    What is the primary source of bile pigments in the liver?

    <p>Bilirubin from the breakdown of hemoglobin</p> Signup and view all the answers

    Through which duct does bile leave the liver?

    <p>Common bile duct</p> Signup and view all the answers

    What is the color of bile?

    <p>Yellow-green</p> Signup and view all the answers

    Where is bile produced in the body?

    <p>Liver</p> Signup and view all the answers

    Through which duct does bile leave the liver?

    <p>Common hepatic duct</p> Signup and view all the answers

    What substances are found in bile?

    <p>Cholesterol, phospholipids, and electrolytes</p> Signup and view all the answers

    Where is bile introduced into the duodenum from during digestion of fatty food?

    <p>Gallbladder</p> Signup and view all the answers

    What causes blockages in the gallbladder?

    <p>Crystallized cholesterol</p> Signup and view all the answers

    Where is bile stored when no digestion is occurring?

    <p>Gallbladder</p> Signup and view all the answers

    What is the function of bile in the liver?

    <p>Emulsify fats by physically breaking large fat globules into smaller ones</p> Signup and view all the answers

    Where does fat emulsification primarily begin in the digestive system?

    <p>Liver</p> Signup and view all the answers

    What is the primary source of bile production in the body?

    <p>Liver</p> Signup and view all the answers

    What is the function of bile?

    <p>Emulsify fats by physically breaking large fat globules into smaller ones</p> Signup and view all the answers

    How does bile work on fats?

    <p>Emulsifies fats by physically breaking large fat globules into smaller ones</p> Signup and view all the answers

    What is the primary role of bile in digestion?

    <p>Aid in the emulsification of fats for digestion and absorption</p> Signup and view all the answers

    What is the function of bile in the digestive system?

    <p>Emulsify fats by physically breaking large fat globules into smaller ones</p> Signup and view all the answers

    What is the process of peristalsis in the digestive system?

    <p>Alternating waves of contraction and relaxation that squeezes food along the GI tract</p> Signup and view all the answers

    What is the primary function of the digestive system?

    <p>Digestion</p> Signup and view all the answers

    What is the primary function of bile in the digestive system?

    <p>Emulsify fats by physically breaking large fat globules into smaller ones</p> Signup and view all the answers

    What is the process involving the movement of materials back and forth to foster mixing in the small intestine?

    <p>Segmentation</p> Signup and view all the answers

    Which term refers to the alternating waves of contraction and relaxation that squeezes food along the GI tract?

    <p>Peristalsis</p> Signup and view all the answers

    What is the primary function of mechanical digestion in the digestive system?

    <p>Preparing food for further degradation by enzymes</p> Signup and view all the answers

    Which major food group is broken down to monosaccharides (simple sugars) during digestion?

    <p>Carbohydrates</p> Signup and view all the answers

    What occurs during digestion in the digestive system?

    <p>Enzymes chemically break down large molecules into their building blocks</p> Signup and view all the answers

    Which process prepares food for further degradation by enzymes in the digestive system?

    <p>Mixing of food in the mouth by the tongue</p> Signup and view all the answers

    Which major food group is broken down to monosaccharides (simple sugars) during digestion?

    <p>Carbohydrates</p> Signup and view all the answers

    What occurs when enzymes chemically break down large molecules into their building blocks in the digestive system?

    <p>Digestion</p> Signup and view all the answers

    What are proteins broken down to during digestion?

    <p>Amino acids</p> Signup and view all the answers

    Which major food group is broken down to fatty acids and glycerol?

    <p>Fats</p> Signup and view all the answers

    What do carbohydrates break down to during digestion?

    <p>Monosaccharides (simple sugars)</p> Signup and view all the answers

    What happens to the end products of digestion?

    <p>They are absorbed in the blood or lymph</p> Signup and view all the answers

    Where does the elimination of indigestible substances from the GI tract occur?

    <p>In the form of feces</p> Signup and view all the answers

    How do the end products of digestion enter the blood or lymph capillaries?

    <p>They must enter mucosal cells and then into blood or lymph capillaries</p> Signup and view all the answers

    Where are the end products of digestion absorbed?

    <p>In the blood or lymph</p> Signup and view all the answers

    What is the process of eliminating indigestible substances from the GI tract in the form of feces called?

    <p>Defecation</p> Signup and view all the answers

    Where must food enter before being absorbed into the blood or lymph capillaries?

    <p>Mucosal cells</p> Signup and view all the answers

    What begins the process of starch digestion in the mouth?

    <p>Salivary amylase</p> Signup and view all the answers

    Where does food absorption primarily occur in the digestive system?

    <p>Small intestine</p> Signup and view all the answers

    Which stimulus triggers the release of saliva in the mouth?

    <p>Psychic stimuli</p> Signup and view all the answers

    What is the primary function of the pharynx and esophagus in the digestive system?

    <p>Serve as passageways to the stomach</p> Signup and view all the answers

    Which phase of swallowing involves the mouth and the tongue?

    <p>Buccal phase</p> Signup and view all the answers

    What is the main activity involved in food propulsion in the mouth, pharynx, and esophagus?

    <p>Swallowing and peristalsis</p> Signup and view all the answers

    What are the two phases of swallowing?

    <p>Buccal phase and Pharyngeal-esophageal phase</p> Signup and view all the answers

    What is the primary function of the pharynx?

    <p>Swallowing (deglutition)</p> Signup and view all the answers

    Where does the pharynx function in the process of swallowing?

    <p>In the buccal phase</p> Signup and view all the answers

    What is the primary function of the pharyngeal-esophageal phase in the digestive system?

    <p>Involuntary transport of the bolus by peristalsis</p> Signup and view all the answers

    What is the main mechanism involved in food propulsion during the pharyngeal-esophageal phase?

    <p>Peristalsis</p> Signup and view all the answers

    What occurs to the nasal and respiratory passageways during the pharyngeal-esophageal phase of digestion?

    <p>They are blocked</p> Signup and view all the answers

    Where are most dietary carbohydrates derived from?

    <p>Fruits and vegetables</p> Signup and view all the answers

    What are the exceptions to dietary carbohydrates being derived from plants?

    <p>Lactose from milk and small amounts of glycogens from meats</p> Signup and view all the answers

    What are dietary carbohydrates primarily composed of?

    <p>Sugars and starches</p> Signup and view all the answers

    From where are most dietary carbohydrates derived?

    <p>Fruits and vegetables</p> Signup and view all the answers

    Which of the following is an exception to dietary carbohydrates being derived from plants?

    <p>Lactose from milk</p> Signup and view all the answers

    What are dietary carbohydrates primarily composed of?

    <p>Sugars and starches</p> Signup and view all the answers

    Which source provides unsaturated fats?

    <p>Nuts</p> Signup and view all the answers

    Where are saturated fats primarily obtained from?

    <p>Animal products</p> Signup and view all the answers

    Which food source contains cholesterol?

    <p>Egg yolk</p> Signup and view all the answers

    Which food source contains complete proteins?

    <p>Eggs</p> Signup and view all the answers

    What are essential amino acids?

    <p>Amino acids that must be obtained through diet</p> Signup and view all the answers

    Which food source contains incomplete proteins?

    <p>Beans</p> Signup and view all the answers

    Where are most vitamins found?

    <p>Fruits and vegetables</p> Signup and view all the answers

    What are most vitamins used as in the body?

    <p>Coenzymes</p> Signup and view all the answers

    Which food group is a primary source of vitamins?

    <p>Fruits and vegetables</p> Signup and view all the answers

    Which nutrient is important for making hemoglobin?

    <p>Iron</p> Signup and view all the answers

    What are the main dietary sources of minerals?

    <p>Vegetables and legumes</p> Signup and view all the answers

    Which nutrient is important for building bone and blood clotting?

    <p>Calcium</p> Signup and view all the answers

    What is metabolism?

    <p>All of the chemical reactions necessary to maintain life</p> Signup and view all the answers

    What occurs during catabolism?

    <p>Substances are broken down to simpler substances; energy is released</p> Signup and view all the answers

    What is anabolism?

    <p>Larger molecules are built from smaller ones</p> Signup and view all the answers

    What is the body's preferred source to produce cellular energy (ATP)?

    <p>Glucose</p> Signup and view all the answers

    What is the major breakdown product of carbohydrate digestion?

    <p>Glucose</p> Signup and view all the answers

    Which molecule is used as a fuel to make ATP?

    <p>Glucose</p> Signup and view all the answers

    During cellular respiration, what is formed as glucose is oxidized?

    <p>Carbon dioxide, water, and ATP</p> Signup and view all the answers

    What is the result of the oxidation of glucose in cellular respiration?

    <p>Carbon dioxide, water, and ATP</p> Signup and view all the answers

    What are the end products of glucose oxidation in cellular respiration?

    <p>Carbon dioxide, water, and ATP</p> Signup and view all the answers

    What is formed as glucose is oxidized in cellular respiration?

    <p>Carbon dioxide, water, and ATP</p> Signup and view all the answers

    What are the products of glucose oxidation in cellular respiration?

    <p>Carbon dioxide, water, and ATP</p> Signup and view all the answers

    What is the outcome of the oxidation of glucose in cellular respiration?

    <p>Formation of carbon dioxide, water, and ATP</p> Signup and view all the answers

    Where does glycolysis occur?

    <p>Cytosol</p> Signup and view all the answers

    Where does the Krebs cycle take place?

    <p>Mitochondrion</p> Signup and view all the answers

    Where are hydrogen atoms split into hydrogen ions and electrons during cellular respiration?

    <p>Mitochondria</p> Signup and view all the answers

    Where does the Krebs cycle occur?

    <p>Mitochondrion</p> Signup and view all the answers

    What is the primary function of glycolysis?

    <p>Energize glucose for splitting</p> Signup and view all the answers

    What happens to hydrogen atoms in the Electron transport chain?

    <p>They are split into hydrogen ions and electrons</p> Signup and view all the answers

    What happens to excess glucose in the body?

    <p>It is stored in body cells as glycogen or converted to fat</p> Signup and view all the answers

    What processes occur to restore normal blood glucose levels during hypoglycemia?

    <p>Glycogenolysis, gluconeogenesis, and fat breakdown</p> Signup and view all the answers

    What is the condition characterized by excessively high levels of glucose in the blood?

    <p>Hyperglycemia</p> Signup and view all the answers

    What is a common condition associated with excessive fat breakdown?

    <p>Acidosis</p> Signup and view all the answers

    When carbohydrates are in limited supply, what happens to fat metabolism to produce ATP?

    <p>More fats are oxidized</p> Signup and view all the answers

    What is a common situation where fruity odor in the breath is observed?

    <p>Uncontrolled diabetes mellitus</p> Signup and view all the answers

    What causes blood to become acidic in the context of excessive fat breakdown?

    <p>Limited supply of carbohydrates</p> Signup and view all the answers

    What is a common condition associated with excessive fat breakdown and acidic blood?

    <p>Uncontrolled diabetes mellitus</p> Signup and view all the answers

    What is a symptom commonly associated with excessive fat breakdown?

    <p>Breath with a fruity odor</p> Signup and view all the answers

    What is the primary function of the liver cells in protein metabolism?

    <p>Detoxifying ammonia by combining it with carbon dioxide to form urea</p> Signup and view all the answers

    When are amino acids oxidized to form ATP in protein metabolism?

    <p>Mainly when other fuel sources are not available</p> Signup and view all the answers

    What happens to ammonia released during the catabolism of amino acids in protein metabolism?

    <p>It is detoxified by liver cells that combine it with carbon dioxide to form urea</p> Signup and view all the answers

    What is the process where glucose molecules are converted to glycogen and stored in the liver?

    <p>Glycogenesis</p> Signup and view all the answers

    Which process involves the release of glucose from the liver after conversion from glycogen?

    <p>Glycogenolysis</p> Signup and view all the answers

    What is the process where glucose is produced from fats and proteins?

    <p>Gluconeogenesis</p> Signup and view all the answers

    What is the role of low-density lipoproteins (LDLs) in cholesterol transport?

    <p>Transport cholesterol to body cells</p> Signup and view all the answers

    What is the primary function of high-density lipoproteins (HDLs) in cholesterol transport?

    <p>Transport cholesterol from body cells to the liver</p> Signup and view all the answers

    Why are low-density lipoproteins (LDLs) considered 'bad lipoproteins'?

    <p>They can lead to atherosclerosis</p> Signup and view all the answers

    What is energy intake in the context of food oxidation?

    <p>The energy liberated during food oxidation</p> Signup and view all the answers

    Where is the energy stored in the body?

    <p>As glycogen</p> Signup and view all the answers

    What is the primary process responsible for energy output as heat?

    <p>Glycolysis</p> Signup and view all the answers

    What can interference with the body’s energy balance lead to?

    <p>Obesity</p> Signup and view all the answers

    What is a potential consequence of interference with the body’s energy balance?

    <p>Obesity</p> Signup and view all the answers

    What condition can result from interference with the body’s energy balance?

    <p>Obesity</p> Signup and view all the answers

    What is the energy value measured in?

    <p>Kilocalories</p> Signup and view all the answers

    What is the average BMR for an average 70-kg adult?

    <p>60 to 72 kcal/hour</p> Signup and view all the answers

    How many kilocalories does fats yield per gram?

    <p>9 kcal/gram</p> Signup and view all the answers

    What is the unit of measurement for energy value?

    <p>Calorie</p> Signup and view all the answers

    What is the average Basal Metabolic Rate (BMR) for an average 70-kg adult?

    <p>100 to 120 kcal/hour</p> Signup and view all the answers

    How much energy does fats yield per gram?

    <p>9 kcal</p> Signup and view all the answers

    What is the energy value measured in?

    <p>Kilocalorie (kcal)</p> Signup and view all the answers

    What is the average Basal Metabolic Rate (BMR) for an average 70-kg adult?

    <p>60 to 72 kcal/hour</p> Signup and view all the answers

    How much energy does fats yield per gram?

    <p>9 kcal/gram</p> Signup and view all the answers

    More Quizzes Like This

    The Ultimate Digestive System Anatomy and Function Quiz
    3 questions

    The Ultimate Digestive System Anatomy and Function Quiz

    The Digestive and Urinary Systems Quiz
    20 questions

    The Digestive and Urinary Systems Quiz

    skweedo avatar
    skweedo
    The Digestive System and Enzyme Function Quiz
    10 questions

    The Digestive System and Enzyme Function Quiz

    UnboundMagic avatar
    UnboundMagic
    The Digestive System: Functions and Mechanisms
    16 questions

    The Digestive System: Functions and Mechanisms

    UnrivaledSasquatch avatar
    UnrivaledSasquatch
    Use Quizgecko on...
    Browser
    Open
    Browser
    Browser