D. glomerular secretion and tubular reabsorption rmone erular secretion and tubu
ID: 272572 • Letter: D
Question
D. glomerular secretion and tubular reabsorption rmone erular secretion and tubular secretion ular 28. While glucose is filtered out at the glomerulus, none is excreted in the urine. What happens to the glucose? A. It is reabsorbed at the distal convoluted tubule. B. It is secreted at the proximal convoluted tubule. C. It is reabsorbed at the proximal convoluted tubule. D. It is secreted at the distal convoluted tubule. E. It is reabsorbed from the collecting duct. of ing pop; 3 rulus; er 29. How is penicillin (a drug) removed from the blood? A. glomerular filtration B. phagocytosis C. tubular reabsorption D. tubular secretion E. passive transport s? 30. If you do not drink enough water, which hormone will the hypothalamus produce to regulate urine production? A. renin B. ANH C. ADH D. aldosterone E. diureticsExplanation / Answer
28. While glucose is filtered out at the glomerulus, none is excreted in the urine. What happens to the glucose?
If none of the glucose is excreted, then the glucose must be reabsobed. Glucose absorption occurs in proximal convoluted tubule.
ANSWER: C) It is reabsorbed at the proximal convoluted tubule.
29. How is penicillin removed from the blood?
Drugs including penicillin are removed in tubular wall. So the mechanism can be either secretion (blood to tubule) or reabsorption (tubule to blood). Since penicillin must be removed from blood, it is secretion.
ANSWER: D) tubular secretion
30. If you do not drink enough water, which hormone will the hypothalamus produce to regulate urine production?
Changes in the water level in blood is detected by hypothalmus of the brain which regulated the release of ADH
ANSWER: C. ADH
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