Nokea
Which organ is retroperitoneal?
- A. liver
- B. ileum
- C. stomach
- D. pancreas
Correct Answer: D
Rationale: The pancreas is a retroperitoneal organ, located behind the peritoneum.
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During active HCL secretion parietal cell shows:
- A. Few short microvilli while tubulovesicular system increases.
- B. Microvilli are prominent numerous while the tubulovesicular system decreases.
- C. More rER & secretory vesicles
- D. Cytoplasm becomes more basophilic
Correct Answer: B
Rationale: During active HCl secretion, parietal cells' intracellular canaliculi expand with numerous microvilli, and the tubulovesicular system decreases as it fuses with the canaliculi.
On average what is the normal intake of water?
- A. 3200 cm^3
- B. 2300 cm^3
- C. 1300 cm^3
- D. 5000 cm^3
Correct Answer: B
Rationale: Average daily water intake is about 2300 cm³ (2.3 liters), including food and drink.
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.
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.
Formation of gallstones is referred to as:
- A. jaundice
- B. cirrhosis
- C. hepatitis
- D. cholelithiasis
Correct Answer: D
Rationale: Cholelithiasis is the medical term for the formation of gallstones.