Ch 5: Human nutrition

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

Producing bile to digest fats (correct)

Increasing nutrient absorption in the colon

Separating nutrients in the large intestine

Storing stomach acid

Where is the main site of nutrient absorption in the digestive system?

Duodenum

Stomach

Small Intestine (correct)

Rectum

Which organ controls blood glucose levels in the body?

Colon

Liver

Gallbladder

Pancreas (correct)

What is the main function of the colon in the digestive process?

Absorbing water Signup and view all the answers

Which process involves the physical breakdown of food primarily through chewing?

Mechanical Digestion Signup and view all the answers

In digestion, where do nutrients enter the bloodstream or lymphatic system?

Small Intestine Signup and view all the answers

Which enzyme is responsible for breaking down carbohydrates?

Amylase Signup and view all the answers

Where is undigested waste stored before being expelled as feces?

Rectum Signup and view all the answers

What transports nutrient-rich blood to the liver?

Hepatic Portal Vein Signup and view all the answers

What is the process of incorporating nutrients into cellular structures and metabolic processes?

Assimilation Signup and view all the answers

What is the process by which the body obtains and utilizes nutrients from food?

Digestion Signup and view all the answers

Which organ in the digestive system releases saliva containing carbohydrases?

Salivary glands Signup and view all the answers

What is the function of the tongue in the mouth cavity during the digestive process?

Mixing food and aiding in swallowing Signup and view all the answers

Which digestive organ carries the bolus to the stomach through peristalsis?

Oesophagus Signup and view all the answers

What aids in the mechanical breakdown of food in the mouth cavity?

Tongue Signup and view all the answers

Which organ secretes hydrochloric acid and enzymes to aid in digestion?

Stomach Signup and view all the answers

Through what process does the alimentary canal regulate the entry and exit of food in the stomach?

Peristalsis Signup and view all the answers

Which organ releases bile to emulsify fats, neutralize stomach acid, and promote peristalsis?

Gallbladder Signup and view all the answers

Where does absorption primarily occur within the digestive system?

Small intestine Signup and view all the answers

What enzymatic process involves breaking down large food molecules into smaller molecules for absorption?

Chemical digestion Signup and view all the answers

Which mechanical digestion process involves the physical breakdown of food primarily through chewing?

Mastication Signup and view all the answers

What is the function of the hepatic portal vein in digestion?

Transporting nutrient-rich blood to cells Signup and view all the answers

Where is undigested waste stored before being expelled through the anus?

Rectum Signup and view all the answers

What role does the pancreas play in digestion?

Secreting enzymes for digestion Signup and view all the answers

Which digestive process involves incorporating nutrients into cellular structures for growth and energy?

Assimilation Signup and view all the answers

What does the colon mainly absorb during the digestive process?

Water and mineral salts Signup and view all the answers

How does mechanical digestion occur in the digestive system?

Primarily via chewing and peristalsis Signup and view all the answers

What is the function of teeth in the mouth cavity during the digestive process?

Mechanically breaking down food Signup and view all the answers

Which of the following is true about the salivary glands' role in the mouth cavity?

Releasing saliva containing carbohydrases Signup and view all the answers

In the digestive system, what part carries the bolus from the mouth to the stomach?

Oesophagus Signup and view all the answers

What happens to the food in the stomach due to the action of gastric juice?

Food is turned into chyme Signup and view all the answers

Where is the primary location for nutrient absorption in the digestive system?

Small intestine Signup and view all the answers

What is the function of the tongue in the mouth cavity?

Mixing food and aiding in swallowing Signup and view all the answers

Which organ regulates the entry and exit of food in the digestive system through sphincters?

Stomach Signup and view all the answers

What is responsible for breaking down carbohydrates in the mouth during digestion?

Amylase Signup and view all the answers

What part of the digestive system is a long tube extending from the mouth to the anus?

Alimentary canal Signup and view all the answers

What is the series of muscular contractions that carry food from the mouth to the stomach?

Peristalsis Signup and view all the answers

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

Emulsifying fats Signup and view all the answers

Where are carbohydrates, proteins, and lipids primarily digested within the digestive system?

Small intestine Signup and view all the answers

Which organelles within the small intestine increase the surface area for absorption?

Villi Signup and view all the answers

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

Storing waste before egestion Signup and view all the answers

Which processes are involved in the mechanical breakdown of food?

Mastication and peristalsis Signup and view all the answers

What is the role of enzymes in chemical digestion?

To catalyze reactions that break down food molecules Signup and view all the answers

Where do nutrients enter after absorption in the small intestine?

Bloodstream or lymphatic system Signup and view all the answers

What is the purpose of assimilation in the context of nutrient absorption?

Incorporating nutrients into cellular structures and metabolic processes Signup and view all the answers

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

It carries the bolus from the mouth to the stomach. Signup and view all the answers

Which organ in the digestive system contains sphincters that control the entry and exit of food?

Oesophagus Signup and view all the answers

What is the role of the liver in the digestive process?

Produces bile to aid in the digestion and absorption of fats. Signup and view all the answers

How does the stomach aid in digestion?

It churns food and mixes it with gastric juice. Signup and view all the answers

Why are teeth considered important in the mouth cavity during digestion?

To mechanically break down food. Signup and view all the answers

What is the primary function of the salivary glands in the digestive system?

To release saliva containing carbohydrases that break down carbohydrates. Signup and view all the answers

In the digestive system, what happens to the bolus of food when it reaches the stomach?

It is chemically broken down by the stomach's enzymes. Signup and view all the answers

Ch 5: Human nutrition

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Questions and Answers

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

Where is the main site of nutrient absorption in the digestive system?

Which organ controls blood glucose levels in the body?

What is the main function of the colon in the digestive process?

Which process involves the physical breakdown of food primarily through chewing?

In digestion, where do nutrients enter the bloodstream or lymphatic system?

Which enzyme is responsible for breaking down carbohydrates?

Where is undigested waste stored before being expelled as feces?

What transports nutrient-rich blood to the liver?

What is the process of incorporating nutrients into cellular structures and metabolic processes?

What is the process by which the body obtains and utilizes nutrients from food?

Which organ in the digestive system releases saliva containing carbohydrases?

What is the function of the tongue in the mouth cavity during the digestive process?

Which digestive organ carries the bolus to the stomach through peristalsis?

What aids in the mechanical breakdown of food in the mouth cavity?

Which organ secretes hydrochloric acid and enzymes to aid in digestion?

Through what process does the alimentary canal regulate the entry and exit of food in the stomach?

Which organ releases bile to emulsify fats, neutralize stomach acid, and promote peristalsis?

Where does absorption primarily occur within the digestive system?

What enzymatic process involves breaking down large food molecules into smaller molecules for absorption?

Which mechanical digestion process involves the physical breakdown of food primarily through chewing?

What is the function of the hepatic portal vein in digestion?

Where is undigested waste stored before being expelled through the anus?

What role does the pancreas play in digestion?

Which digestive process involves incorporating nutrients into cellular structures for growth and energy?

What does the colon mainly absorb during the digestive process?

How does mechanical digestion occur in the digestive system?

What is the function of teeth in the mouth cavity during the digestive process?

Which of the following is true about the salivary glands' role in the mouth cavity?

In the digestive system, what part carries the bolus from the mouth to the stomach?

What happens to the food in the stomach due to the action of gastric juice?

Where is the primary location for nutrient absorption in the digestive system?

What is the function of the tongue in the mouth cavity?

Which organ regulates the entry and exit of food in the digestive system through sphincters?

What is responsible for breaking down carbohydrates in the mouth during digestion?

What part of the digestive system is a long tube extending from the mouth to the anus?

What is the series of muscular contractions that carry food from the mouth to the stomach?

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

Where are carbohydrates, proteins, and lipids primarily digested within the digestive system?

Which organelles within the small intestine increase the surface area for absorption?

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

Which processes are involved in the mechanical breakdown of food?

What is the role of enzymes in chemical digestion?

Where do nutrients enter after absorption in the small intestine?

What is the purpose of assimilation in the context of nutrient absorption?

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

Which organ in the digestive system contains sphincters that control the entry and exit of food?

What is the role of the liver in the digestive process?

How does the stomach aid in digestion?

Why are teeth considered important in the mouth cavity during digestion?

What is the primary function of the salivary glands in the digestive system?

In the digestive system, what happens to the bolus of food when it reaches the stomach?

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