Discussion :: Biology
- The kidneys are stimulated to produce renin
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A.
When the pH of the urine decreases |
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B.
When the specific gravity of urine rises above 1.10 |
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C.
When the peritubular capillaries are dilated |
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D.
By a decrease in the blood pressure |
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Answer : Option D
Explanation :
The secretion of renin is stimulated by the following three factors: When a fall in arterial blood pressure is detected by pressure sensitive receptors (baroreceptors) in the arterial vessels. When a decrease in sodium chloride (salt) is detected in the kidney by the macula densa in the juxtaglomerular apparatus.
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