Nokea
Glycogen is stored in-
- A. Blood
- B. Liver
- C. Lungs
- D. Kidney
Correct Answer: B
Rationale: Glycogen is primarily stored in the liver.
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Nutrients like calcium and zinc are often referred to as
- A. proteins
- B. minerals
- C. fats
- D. vitamins
Correct Answer: B
Rationale: Calcium and zinc are classified as minerals, essential inorganic nutrients.
The pylorus is best described as the:
- A. Area of the stomach that accepts food from the esophagus
- B. Valve between the ileum and the cecum
- C. Terminal portion of the large intestine
- D. Area of the stomach that empties into the small intestine
Correct Answer: D
Rationale: The pylorus is the lower part of the stomach that connects to the duodenum.
The large intestine lacks:
- A. goblet cells
- B. epiploic appendages
- C. plicae circulares
- D. haustra
Correct Answer: C
Rationale: The large intestine lacks plicae circulares, which are present in the small intestine to increase surface area.
Duodenum has characteristic Brunner's glands which secrete -
- A. Estrogen
- B. Prolactin, parathormone
- C. Estradiol, progesterone
- D. Alkaline secretion
Correct Answer: D
Rationale: Brunner's glands secrete an alkaline mucus to neutralize acidic chyme from the stomach.
Ito cells, all true except:
- A. Hepatic stellate cells that store vitamin A.
- B. Liver cirrhosis, these cells may differentiate into myofibroblasts to synthesize collagen & induce fibrosis.
- C. One of the contents of the perisinusoidal space
- D. They are highly phagocytic cells
Correct Answer: D
Rationale: Ito (stellate) cells store vitamin A and contribute to fibrosis, but Kupffer cells, not Ito cells, are phagocytic.