Renal physiology (select the CORRECT statement)
a. Norepinephrine released from sympathetic neurons binds to a cytoplasmic receptor in granular cells to cause the release of renin.
b. The heart is an endocrine organ that can release hormones into the blood that influence the physiology of the kidneys.
c. As part of the fight or flight response, norepinephrine released from sympathetic neurons acts on beta adrenergic receptors to cause vasoconstriction of the afferent arteriole.
d. Cells of the macula densa communicate with granular cells through the release of diffusible autocrine factors.

Renal physiology is the study about the physiology of kidney and take into account study of all functions of kidney such as regulation of fluid balance, electrolyte level, acid base balance etc.

Macula Densa is an area comprising of specialized cells in the wall of distal tube. It lies in the region where an ascending limb of Loop of Henle meets with the distal convoluted tubule.

Hence, option D is correct

luisvaschetto luisvaschetto · Answer 2 · 2021-12-10T20:45:54+01:00

The statement 'the heart is an endocrine organ that can release hormones into the blood that influence the physiology of the kidneys' is CORRECT about renal physiology.

Cardiomyocytes are striated rod-shaped muscle cells that govern the functioning of the cardiac muscle (also called myocardium).

Atrial and ventricular cardiomyocytic cells are specialized cells of the muscular walls in the myocardium.

The heart can be considered an endocrine organ because atrial cardiomyocytes are associated with the production of two polypeptide hormones called atrial natriuretic peptide (ANP) and brain natriuretic peptide (BNP).

Both ANP and BNP are natriuretic hormones capable of stimulating the kidneys to excrete sodium.

In conclusion, the statement 'the heart is an endocrine organ that can release hormones into the blood that influence the physiology of the kidneys' is CORRECT about renal physiology.

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