Which of the following is not an accessory organ of digestion?
Salivary glands
Liver
Pancreas
Spleen
The Correct Answer is D
A. Salivary glands are accessory organs of digestion as they secrete saliva containing enzymes to start digestion.
B. Liver is an accessory organ involved in digestion, particularly in bile production and processing nutrients.
C. Pancreas is an accessory organ that secretes digestive enzymes into the small intestine.
D. Spleen is not involved in digestion; it is primarily involved in immune function and blood filtration.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. Glomerulus is involved in filtering blood but not in producing hypertonic urine.
B. Collecting duct reabsorbs water and concentrates urine, making it hypertonic.
C. Nephron loop (loop of Henle) creates a concentration gradient in the medulla that helps in water reabsorption but is not the primary site for final urine concentration. This option is partially correct but less specific than the collecting duct.
D. Proximal convoluted tubule reabsorbs a significant portion of water and solutes but does not produce hypertonic urine.
Correct Answer is A
Explanation
Blood plasma osmolarity is generally higher than intracellular fluid osmolarity because plasma contains higher concentrations of sodium and other solutes compared to intracellular fluid, which is more potassium-rich.
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