Quiz
Renal Exam
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Questions in this quiz (15)
1The arteries which run between the medullary pyramids:
- AArcuate arteries.
- BInterlobular arteries.
- CInterlobar arteries.
- DRenal artery.
2Regarding renal plasma clearance:
- AIt is the ability of the kidney to clear the plasma of certain substance.
- BThe process which removes the unwanted substances from glomerular capillary bed.
- CIt is a measure of the effectiveness of the kidney to remove substances from ECF.
- DAll of the above.
3Glomerular filtration rate:
- AThe percentage of renal plasma flow that becomes a glomerular filtrate.
- BThe volume of fluid filtered from glomerular capillaries into bowman's capsule per unit time.
- CBoth A & B.
- DNon of the above.
4Decreased renal blood flow will lead to:
- AIncreased GFR.
- BDecreased GFR.
- CIncreased glomerular capillary pressure.
- DBoth A & C.
5Sever constriction of efferent arterioles leads to:
- AIncreased GFR.
- BDecreased GFR.
- CIncreased plasma osmotic pressure.
- DBoth B & C.
6GFR is:
- AInversely proportional to the permeability of glomerular membrane.
- BDirectly proportional to plasma proteins concentration.
- CDirectly proportional to the diameter of afferent arterioles.
- DNon of the above.
7According amino acids reabsorption:
- AReabsorbed partially by 2ry active process.
- BReabsorbed completely by 1ry active process.
- CReabsorbed partially by 1ry active process.
- DReabsorbed completely by 2ry active process.
865% of filtered water is reabsorbed in:
- AProximal tubule by facilitated diffusion.
- BDistal tubule by facultative reabsorption.
- CProximal tubule by passive diffusion.
- DBoth B & C.
9Which of the following is true about Loop of Henle:
- AThe thin ascending limb is permeable to water.
- BThe thick descending limb is impermeable to water.
- C25% of Na+ & Cl-- are reabsorbed In it.
- DAll of the above.
10The thick ascending limb of loop of Henle:
- AMaintains a low intercellular sodium concentration.
- BHave a co-transporter which transport 1Na+, 1K+& 1Cl--.
- CMaintains a negative electrical potential in the cell.
- DAll of the above.
11Regarding renal counter current mechanism:
- AIt include loop of Henle & Vasa recta only.
- BDoesn't depend on the osmolality.
- CIt is a mechanism of urine concentration.
- DNon of the above.
12The function of the countercurrent exchanger system in vasa recta:
- APrevent removal of NaCl & urea from the interstitium.
- BMaintain the hypoosmolarity in the medullary pyramid.
- CPrevent water removal from the interstitium.
- DAllow urine & NaCl to pass to the circulation.
13Kidney can excrete diluted urine when:
- AOne drinks small amount of water.
- BDrinking a hypotonic fluid.
- CADH secretion is stimulated.
- DBoth B & C.
14Acetazolamide is:
- ADrug used to increase rate of urine production.
- BInhibits carbonic anhydrase enzyme.
- CBlock Na+ - K+ - Cl-- co-transporter.
- DBoth A & B.
15Which of the following increase Na+ reabsorption:
- AAldosterone.
- BEstrogen.
- CGlucocorticoid.
- DAll of the above.
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