Nokea
Large, insoluble molecules have to be digested before they can be
- A. absorbed.
- B. assimilated.
- C. egested.
- D. ingested.
Correct Answer: A
Rationale: Large molecules must be broken down into smaller, soluble units before they can be absorbed across the intestinal lining.
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Decreased levels of bile salts in the bile would interfere with digestion of:
- A. Fat
- B. Disaccharides
- C. Complex carbohydrates
- D. Protein
Correct Answer: A
Rationale: Bile salts emulsify fats, breaking them down into smaller droplets to facilitate digestion by lipase enzymes.
Which of these is not a carbohydrate?
- A. sugar
- B. starch
- C. fat
- D. cellulose
Correct Answer: C
Rationale: Fat is a lipid, not a carbohydrate, unlike sugar, starch, and cellulose.
Formation of gallstones is referred to as:
- A. jaundice
- B. cirrhosis
- C. hepatitis
- D. cholelithiasis
Correct Answer: D
Rationale: Cholelithiasis is the medical term for the formation of gallstones.
Meissner's plexus is found in:
- A. Muscularis externa
- B. Submucosa
- C. Mucosa
- D. Serosa
Correct Answer: B
Rationale: Meissner's plexus is located in the submucosa and regulates glandular secretion and local blood flow.
Zymogen cells of fundic glands show the following EXCEPT:
- A. Secrete gastric lipase
- B. Secrete rennin enzyme
- C. Present in the gland neck
- D. Secrete pepsinogen
Correct Answer: C
Rationale: Zymogen (chief) cells are located in the body and base of fundic glands, not the neck, and secrete pepsinogen and gastric lipase.