The three functions of the renal system are: Select all that apply. Flag this Qu

Question

The three functions of the renal system are:

Select all that apply.

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Question 21 pts

The epithelial cells of Boman's capsule are called __________________.

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Question 31 pts

The glomerulus is a tuft of capillaries in the renal compartment and Bowman's capsule is part of the blood vascular compartment.

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Question 41 pts

Arterial blood from the renal artery goes to the capillaries in the renal cortex.

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Question 51 pts

***This is an example of a test question***

Water moves from Bowman's capsule into the glomerular capillaries because the:

Explanation / Answer

Functions of renal system are remove nitrogenous waste,regulate blood pH(regulating H+ and bicarbonate ions),the RAS system regulate blood pressure in the body,also regulate salt by concentration of blood plasma,also regulate pH of water,ions by homeostatic mechanism.so all the options given are correct.

21.The epithelial cells of Bowman's capsule are called podocytes,(podo-foot,cyte-cells)

So option b is correct

31.true, because Bowmans capsule is a cup like sac at the beginning of tubular compartment of a nephron performing first step in the filteration of blood to form urine.fluids from blood in the glomerulus are collected in the Bowman's capsule,-ultracentrifugation.

41.renal artery divides into segmental arteries,interlobar arteries arcuate arteries inter lobular arteries and finally afferent arterioles.each nephron receive one afferent arteriole,which divides into a glomerulus.The glomerulus capillaries reunite to form an efferent arteriole that carries blood out of the glomerulus.The efferent arteriole divides to form peritubular capillaries,surround tubular parts of nephron in the renal cortex.Extending from some efferent arteriole are long loop shaped capillaries called VASARECTA .loop of henle is supported by vasa recta.Blood from peritubular capillaries and vasa recta passes through peritubular venules,interlobular veins,arcuate veins,and interlobar veins and finally leaves kidney through renal vein.

51.Glomerular blood hydrostatic pressure is the blood pressure in glomerulus which is 60mmHg.It promotes filteration by forcing water and solutes in blood plasma through the filteration membrane.capsular hydrostatic pressure exerted against the filteration membrane by fluid already in capsular space and renal tubule.it opposed filteration.it is 18 mmHg.Blood colloidal osmotic pressure due to presence of albumins,globulins,fibrinogen in blood plasma.it opposes filteration.-32mmHg

Net filteration pressure=GBHP-CHP-BCOP=60-18-32=10mmHg.

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