Nokea
Secretion of enterogastrone would be stimulated by the presence of:
- A. protein in the small intestine
- B. protein in the stomach
- C. fat in the small intestine
- D. fat in the stomach
Correct Answer: C
Rationale: Enterogastrone secretion is triggered by fats in the small intestine to slow gastric emptying.
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How many nephrons are found in each kidney?
- A. approximately one hundred
- B. approximately one thousand
- C. approximately one million
- D. approximately ten million
Correct Answer: C
Rationale: Each kidney contains about one million nephrons, the functional units for filtration.
Peyer's patches produce-
- A. Enterokinase
- B. Lymphocyte
- C. Mucous
- D. Trypsin
Correct Answer: B
Rationale: Peyer's patches in the small intestine produce lymphocytes, which are part of the immune system.
Taste buds are found in the following areas EXCEPT:
- A. Oral mucosa & soft palate
- B. Esophagus
- C. Laryngeal surface of Epiglottis
- D. Tongue papilla
Correct Answer: C
Rationale: Taste buds are absent in the esophagus; they are present on the tongue, soft palate, and epiglottis for taste perception.
The terminal portion of the small intestine is the:
- A. ileum
- B. cecum
- C. duodenum
- D. jejunum
Correct Answer: A
Rationale: The ileum is the final section of the small intestine, connecting to the large intestine.
Which of the following is not a function of the pancreas?
- A. neutralization of gastric juice
- B. Production of amylase
- C. Secretion of lipases to break down fats into glycerol and fatty acids
- D. Secretion of pepsin
Correct Answer: D
Rationale: The pancreas does not secrete pepsin; this enzyme is produced by the stomach to digest proteins.