Nokea
Which of the following digestive enzymes is NOT found in intestinal juice?
- A. erepsin
- B. trypsin
- C. amylase
- D. maltase
Correct Answer: B
Rationale: Trypsin is produced by the pancreas and secreted into the duodenum, not found in intestinal juice, which contains enzymes like erepsin and maltase.
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Match: Canines
- A. teeth used to grind meat
- B. teeth for tearing food
- C. teeth for crushing
- D. teeth for cutting
Correct Answer: B
Rationale: Canines are pointed teeth designed for tearing food, especially meat.
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.
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.
The kidneys, skin, and lungs are each a part of the system.
- A. integumentary
- B. respiratory
- C. excretory
- D. digestive
Correct Answer: C
Rationale: The kidneys, skin, and lungs are all part of the excretory system, removing various wastes.