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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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.
What is the role of mucus secreted by the stomach?
- A. To protect the lining of the stomach
- B. To digest fats
- C. To kill the germs in the food
- D. To digest the proteins
Correct Answer: A
Rationale: Mucus or Gastric mucus is a gel barrier secreted by epithelial cells & glandular cells in the stomach wall. It protects the inner lining of the stomach from HCl.
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.
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.