Q1094
The kidneys are stimulated to produce renin
A.
When the pH of the urine decreases
B.
When the specific gravity of urine rises above 1.10
C.
When the peritubular capillaries are dilated
D.
By a decrease in the blood pressure
AnswerAnswer: Option D
Solution
Answer: Option D
Solution:
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.