Nokea
What additional role does the pancreas play?
- A. Regulates blood sugar
- B. Produces bile
- C. Stores vitamins
- D. Secretes mucus
Correct Answer: A
Rationale: The pancreas has an endocrine role, releasing insulin and glucagon to regulate blood sugar.
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The small intestine is held to the posterior abdominal wall by the:
- A. mesentery
- B. falciform ligament
- C. greater omentum
- D. lesser omentum
Correct Answer: A
Rationale: The mesentery supports and anchors the small intestine to the posterior abdominal wall.
Which type of fat can cause heart disease if consumed in high quantities?
- A. carbohydrates
- B. saturated
- C. calories
- D. unsaturated
Correct Answer: B
Rationale: Saturated fats, when consumed excessively, can increase cholesterol levels, leading to heart disease.
Which element in the molecule of urea shows that it is formed from amino acids and not from glucose?
- A. carbon
- B. hydrogen
- C. nitrogen
- D. oxygen
Correct Answer: C
Rationale: Nitrogen is a key component of amino acids and is retained in urea during deamination.
Which vitamin is produced by intestinal bacteria?
- A. B12
- B. A
- C. C
- D. D
Correct Answer: A
Rationale: Intestinal bacteria synthesize vitamin B12, which is absorbed in the ileum with intrinsic factor. Vitamins A, C, and D are not produced by gut bacteria.
Amylase is an example of a(n)
- A. accessory organ
- B. carbohydrate
- C. enzyme
- D. vitamin
Correct Answer: C
Rationale: Amylase is an enzyme that breaks down starches into sugars.