Nokea
During swallowing food is prevented from being pushed up into the nasal cavity by:
- A. Hard palate
- B. Epiglottis
- C. Soft palate
- D. Tongue
Correct Answer: C
Rationale: The soft palate elevates during swallowing to close off the nasopharynx, preventing food from entering the nasal cavity. The epiglottis prevents entry into the trachea.
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Types of teeth in human -
- A. Thecodont
- B. Acrodont
- C. Pleurodont
- D. Homodont
Correct Answer: A
Rationale: Human teeth are thecodont, meaning they are embedded in sockets of the jawbone.
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.
Which of the following enzymes formed in the pancreas aids in protein digestion?
- A. Amylase
- B. Lipase
- C. Trypsinogen
- D. Trypsin
Correct Answer: D
Rationale: Trypsin, activated from trypsinogen, is a pancreatic enzyme that digests proteins.
Decreased levels of bile salts in the bile would interfere with digestion of:
- A. Fat
- B. Disaccharides
- C. Complex carbohydrates
- D. Protein
Correct Answer: A
Rationale: Bile salts emulsify fats, breaking them down into smaller droplets to facilitate digestion by lipase enzymes.
After digestion, Protein is converted into ?
- A. Glucose
- B. Sucrose
- C. Fat
- D. Amino Acid
Correct Answer: D
Rationale: Proteins are broken down into amino acids during digestion, primarily by enzymes like pepsin in the stomach and trypsin in the small intestine, for absorption and use by the body.