Nokea
Match: Lipid
- A. a fat made of three fatty acids joined to one glycerol
- B. composed of monosaccharides
- C. used for enzymatic activity
- D. major source of quick energy
Correct Answer: A
Rationale: Lipids, or triglycerides, consist of three fatty acids attached to a glycerol molecule and provide energy storage.
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The end product of digestion of starch which is absorbed into the bloodstream is:
- A. amino acid
- B. fatty acid
- C. glucose
- D. sucrose
Correct Answer: C
Rationale: Starch is broken down into glucose by enzymes like amylase and maltase, which is then absorbed into the bloodstream.
A gastrointestinal tumor involving villi and plicae circulares might interfere with:
- A. deglutition
- B. absorption
- C. peristalsis
- D. defecation
Correct Answer: B
Rationale: Villi and plicae circulares increase the surface area for absorption in the small intestine. A tumor affecting these structures would impair absorption.
Which of the following is not a function of saliva?
- A. aids in protein digestion
- B. wets the food
- C. contains amylase
- D. chemical digestion
Correct Answer: A
Rationale: Saliva does not aid in protein digestion; it primarily helps in moistening food, contains amylase for carbohydrate digestion, and facilitates chemical digestion.
The enzymes present in pancreatic juice are
- A. Amylase, Trypsinogen, Peptidase, Rennin
- B. Trypsinogen, Lipase, Amylase, Procarboxypeptidase
- C. Peptidase, Pepsin, Amylase, Rennin
- D. Maltase, Amylase, Trypsinogen, Pepsin
Correct Answer: B
Rationale: Pancreatic juice contains amylase, lipase, trypsinogen, and procarboxypeptidase for digesting carbohydrates, fats, and proteins.
What statement is wrong about bile?
- A. It is necessary for fat digestion
- B. It is stored in the gall bladder
- C. It is important only for normal digestion of sugar
- D. It activates lipase
Correct Answer: C
Rationale: Bile is not involved in sugar digestion; it emulsifies fats for digestion.