Juxtaglomerular apparatus


Angiotensinogen is synthesized and secreted mainly by


A. Kidney

B. Spleen

C. Liver

D. Endothelium



Renin is synthesized by


A. Spleen white pulp

B. Juxtaglomerular cells

C. Hepatocytes

D. B-Cells


Juxtaglomerular apparatus consists of all of the following EXCEPT –


A. Macula densa

B. Juxtaglomerular cells

C. Renal medullary interstitial cells

D. Extraglomerular mesangial cells



Juxtaglomerular apparatus is found between


A. Efferent arteriole and the distal convoluted tubule of the same nephron

B. Efferent arteriole and the proximal convoluted tubule of the same nephron

C. Afferent arteriole and the distal convoluted tubule of the same nephron

D. Afferent arteriole and the proximal convoluted tubule of the same nephron



Which of the following mainly play a major role in detection of elevated sodium chloride that leads to a decrease in GFR in kidney?


A. Macula densa

B. Juxtaglomerular cells

C. Renal medullary interstitial cells

D. Extraglomerular mesangial cells



Juxtaglomerular cells secrete renin in response to all of the following EXCEPT:


A. Inhibition of the beta-2 adrenergic receptor

B. Stimulation of the beta-1 adrenergic receptor

C. Decrease in NaCl concentration

D. Decrease in renal perfusion pressure



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