Vitamins and their Types
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Questions and Answers

What is the primary function of vitamins in the body?

  • Function as co-enzymes and co-factors of enzymes (correct)
  • Produce energy
  • Act as hormones
  • Act as antioxidants

Which of the following vitamins are water-soluble?

  • Vitamins A, D, E, and K
  • Vitamins A and B
  • Vitamin C and the B-complex vitamins (correct)
  • Vitamins C and E

What is a characteristic of water-soluble vitamins?

  • They are only found in animal products
  • They are only found in plant-based foods
  • They can be stored in the body's fatty tissue
  • They are easily excreted in urine (correct)

Where are fat-soluble vitamins commonly found?

<p>Fatty foods such as dairy products, eggs, meat, and oily fish (B)</p> Signup and view all the answers

What is a consequence of excessive intake of fat-soluble vitamins?

<p>Toxicity (D)</p> Signup and view all the answers

What is a function of Vitamin K in the body?

<p>Blood clotting (D)</p> Signup and view all the answers

What is the primary function of minerals in the body?

<p>to provide ions essential for enzyme function (A)</p> Signup and view all the answers

What is the main difference between macrominerals and microminerals?

<p>macrominerals are required in large amounts, while microminerals are required in small amounts (A)</p> Signup and view all the answers

Which of the following is a macromineral?

<p>calcium (C)</p> Signup and view all the answers

What is the role of microminerals in the body?

<p>to play roles in various physiological processes (A)</p> Signup and view all the answers

Which food group is a good source of macrominerals?

<p>dairy products (B)</p> Signup and view all the answers

What is the term for minerals required by the body in small amounts?

<p>trace elements (A)</p> Signup and view all the answers

What is the characteristic of the gastrovascular cavity in invertebrate digestive systems?

<p>It has a single opening for digestion (A)</p> Signup and view all the answers

What is the function of the gizzard in the alimentary canal?

<p>To churn and digest food (A)</p> Signup and view all the answers

What is the point of entry for food in the human digestive system?

<p>Oral cavity (B)</p> Signup and view all the answers

Where are digestive enzymes secreted in the human digestive system?

<p>By both the wall of the digestive tract and nearby glands (D)</p> Signup and view all the answers

What is the purpose of mastication in the human digestive system?

<p>To break down food into smaller particles (C)</p> Signup and view all the answers

What is the characteristic of a complete digestive tract?

<p>It has a separate mouth and anus (D)</p> Signup and view all the answers

What is the main function of salivary amylase?

<p>Breaking down carbohydrates (D)</p> Signup and view all the answers

What is the characteristic of the teeth of herbivores?

<p>Large, flat molars and premolars (C)</p> Signup and view all the answers

What is the function of the epiglottis in the trachea?

<p>Directing food into the esophagus (D)</p> Signup and view all the answers

What is the term for the wavelike motion that moves the bolus to the stomach?

<p>Peristalsis (C)</p> Signup and view all the answers

What is the role of the tongue in the digestion process?

<p>Aiding in swallowing and moving the bolus to the pharynx (C)</p> Signup and view all the answers

What is the characteristic of the teeth of omnivores?

<p>Fairly flat premolars and molars (A)</p> Signup and view all the answers

What is the first step in the digestion of carbohydrates?

<p>Breakdown of disaccharides into monosaccharides (D)</p> Signup and view all the answers

In which organ does the bulk of lipid digestion occur?

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

What is the role of bile in lipid digestion?

<p>Emulsifies large lipid globules into several small lipid globules (C)</p> Signup and view all the answers

What is the primary function of peptidases in protein digestion?

<p>Breaking down peptides into free amino acids (B)</p> Signup and view all the answers

What is the role of lingual lipase in lipid digestion?

<p>Initiates lipid digestion in the stomach (B)</p> Signup and view all the answers

What is the final step in the absorption of lipids?

<p>Absorption into the bloodstream via the subclavian vein (B)</p> Signup and view all the answers

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