Nokea
Which of the following is not a major gastrointestinal hormone?
- A. epinephrine
- B. secretin
- C. gastrin
- D. cholecystokinin
Correct Answer: A
Rationale: Epinephrine is not a gastrointestinal hormone; it is primarily involved in the sympathetic nervous system.
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Which of the following describes one function of the stomach?
- A. To introduce carbohydrates to food.
- B. To remove excess water from food.
- C. To temporarily store food.
- D. To absorb nutrients into the bloodstream.
Correct Answer: C
Rationale: The stomach temporarily stores food, mixing it with gastric juices for digestion.
What structure in the intestine increases surface area?
- A. Villas
- B. Villi
- C. Cilia
- D. Protrusii
Correct Answer: B
Rationale: Villi are finger-like projections in the small intestine that increase surface area for absorption.
The part of the stomach that meets the esophagus at the gastroesophageal sphincter is the:
- A. fundus
- B. cardia
- C. pylorus
- D. body
Correct Answer: B
Rationale: The cardia is the part of the stomach closest to the esophagus.
Largest gland of body -
- A. Pancreas
- B. Duodenum
- C. Liver
- D. Thyroid
Correct Answer: C
Rationale: The liver is the largest gland in the human body, performing numerous metabolic functions.
Kupffer cells, one of the following is not true:
- A. May contain Hemosiderin granules
- B. Motile within liver blood sinusoids
- C. Phagocytic cells present mainly in space of Disse
- D. Form part of the liver sinusoidal wall
Correct Answer: C
Rationale: Kupffer cells are phagocytic and part of the sinusoidal wall, but they are in the lumen, not the space of Disse.