Nokea
All about human tongue is true EXCEPT:
- A. Anterior 2/3 of Dorsal surface is covered by Parakeratinized epith.
- B. Post. 1/3 contain lingual tonsils.
- C. Its ventral surface has projections called lingual papilla.
- D. Contain skeletal muscle fibers arranged in 3 directions.
Correct Answer: C
Rationale: The ventral surface of the tongue is smooth and covered by non-keratinized stratified squamous epithelium, not lingual papillae, which are on the dorsal surface.
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The gross structure of the kidney is divided into 3 parts. In which part do the Bowman's capsules lie?
- A. Cortex
- B. Medulla
- C. Pelvis
- D. Capsule
Correct Answer: A
Rationale: Bowman's capsules, part of the nephron, are located in the renal cortex.
Pancreatic juice contains a protein-splitting enzyme called:
- A. trypsin
- B. zymogen
- C. pepsin
- D. amylase
Correct Answer: A
Rationale: Trypsin is a pancreatic enzyme that digests proteins.
Aldosterone does what?
- A. Prevents Na+ reabsorption
- B. Promotes Water reabsorption
- C. Promotes Na+ reabsorption
- D. Prevents water reabsorption
Correct Answer: C
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Homeostasis has 3 parts. What is the general term for the 1st?
- A. Controller
- B. Effector
- C. Receptor
- D. Transporter
Correct Answer: C
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Which is the possible cause of a urinary tract infection?
- A. bacteria in the urinary system
- B. calcium buildup in the kidney
- C. prostate enlargement
- D. kidney stones
Correct Answer: A
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