Nokea
Meissner's plexus is found in:
- A. Muscularis externa
- B. Submucosa
- C. Mucosa
- D. Serosa
Correct Answer: B
Rationale: Meissner's plexus is located in the submucosa and regulates glandular secretion and local blood flow.
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Which of these is not a carbohydrate?
- A. sugar
- B. starch
- C. fat
- D. cellulose
Correct Answer: C
Rationale: Fat is a lipid, not a carbohydrate, unlike sugar, starch, and cellulose.
A set of permanent teeth contains:
- A. 20 teeth
- B. 30 teeth
- C. 32 teeth
- D. 24 teeth
Correct Answer: C
Rationale: An adult human has 32 permanent teeth.
Fungiform papillae appear as red spots on tongue surface because:
- A. Secondary papillae are covered by the same epithelial cap
- B. Fungiform papillae have no taste buds.
- C. Covered by pseudostratified epith.
- D. Its connective tissue contains Von Ebner's glands
Correct Answer: A
Rationale: Fungiform papillae appear red due to their thin epithelium and rich vascularity in the connective tissue, not because of secondary papillae structure.
Insulin is secreted by pancreatic cells-
- A. α-cells
- B. β-cells
- C. Delta cells
- D. Gama cells
Correct Answer: B
Rationale: Insulin is secreted by β-cells in the Islets of Langerhans.
Function of HCl in stomach is to-
- A. Kill micro-organism of food
- B. Facilitate absorption of food
- C. Dissolve hormones secreted by gastric glands
- D. Active trypsinogen to trypsin
Correct Answer: A
Rationale: HCl kills microorganisms in food, aiding in sterilization.