Nokea
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.
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Chemical digestion of carbohydrates begins in the........... whereas chemical digestion of proteins begins in the...........
- A. Oral cavity; duodenum
- B. Stomach; oral cavity
- C. Stomach; duodenum
- D. Oral cavity; Stomach
Correct Answer: D
Rationale: Carbohydrate digestion starts in the oral cavity with salivary amylase, while protein digestion begins in the stomach with pepsin.
Glycogen is stored in-
- A. Blood
- B. Liver
- C. Lungs
- D. Kidney
Correct Answer: B
Rationale: Glycogen is primarily stored in the liver.
The juxtaglomerular cells secrete what hormone?
- A. Renin
- B. ADH
- C. Angiotensin
- D. Adrenalin
Correct Answer: A
Rationale: Juxtaglomerular cells secrete renin to regulate blood pressure and filtration.
Besides carbohydrates, proteins, fats, vitamins and minerals, what other nutrient does your body need for life?
- A. DNA
- B. chlorophyll
- C. water
- D. none of the above
Correct Answer: C
Rationale: Water is an essential nutrient required for all bodily functions.
Isthmus of fundic [gastric] gland contain the following except:
- A. Surface epithelial cells
- B. Parietal cells
- C. Chief cells.
- D. Stem cells
Correct Answer: C
Rationale: The isthmus contains stem cells, surface epithelial cells, and parietal cells, but chief cells are found deeper in the gland body and base.