Renal Exam

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Questão 1

Questão
The arteries which run between the medullary pyramids:
Responda
  • Arcuate arteries.
  • Interlobular arteries.
  • Interlobar arteries.
  • Renal artery.

Questão 2

Questão
Regarding renal plasma clearance:
Responda
  • It is the ability of the kidney to clear the plasma of certain substance.
  • The process which removes the unwanted substances from glomerular capillary bed.
  • It is a measure of the effectiveness of the kidney to remove substances from ECF.
  • All of the above.

Questão 3

Questão
Glomerular filtration rate:
Responda
  • The percentage of renal plasma flow that becomes a glomerular filtrate.
  • The volume of fluid filtered from glomerular capillaries into bowman's capsule per unit time.
  • Both A & B.
  • Non of the above.

Questão 4

Questão
Decreased renal blood flow will lead to:
Responda
  • Increased GFR.
  • Decreased GFR.
  • Increased glomerular capillary pressure.
  • Both A & C.

Questão 5

Questão
Sever constriction of efferent arterioles leads to:
Responda
  • Increased GFR.
  • Decreased GFR.
  • Increased plasma osmotic pressure.
  • Both B & C.

Questão 6

Questão
GFR is:
Responda
  • Inversely proportional to the permeability of glomerular membrane.
  • Directly proportional to plasma proteins concentration.
  • Directly proportional to the diameter of afferent arterioles.
  • Non of the above.

Questão 7

Questão
According amino acids reabsorption:
Responda
  • Reabsorbed partially by 2ry active process.
  • Reabsorbed completely by 1ry active process.
  • Reabsorbed partially by 1ry active process.
  • Reabsorbed completely by 2ry active process.

Questão 8

Questão
65% of filtered water is reabsorbed in:
Responda
  • Proximal tubule by facilitated diffusion.
  • Distal tubule by facultative reabsorption.
  • Proximal tubule by passive diffusion.
  • Both B & C.

Questão 9

Questão
Which of the following is true about Loop of Henle:
Responda
  • The thin ascending limb is permeable to water.
  • The thick descending limb is impermeable to water.
  • 25% of Na+ & Cl-- are reabsorbed In it.
  • All of the above.

Questão 10

Questão
The thick ascending limb of loop of Henle:
Responda
  • Maintains a low intercellular sodium concentration.
  • Have a co-transporter which transport 1Na+, 1K+& 1Cl--.
  • Maintains a negative electrical potential in the cell.
  • All of the above.

Questão 11

Questão
Regarding renal counter current mechanism:
Responda
  • It include loop of Henle & Vasa recta only.
  • Doesn't depend on the osmolality.
  • It is a mechanism of urine concentration.
  • Non of the above.

Questão 12

Questão
The function of the countercurrent exchanger system in vasa recta:
Responda
  • Prevent removal of NaCl & urea from the interstitium.
  • Maintain the hypoosmolarity in the medullary pyramid.
  • Prevent water removal from the interstitium.
  • Allow urine & NaCl to pass to the circulation.

Questão 13

Questão
Kidney can excrete diluted urine when:
Responda
  • One drinks small amount of water.
  • Drinking a hypotonic fluid.
  • ADH secretion is stimulated.
  • Both B & C.

Questão 14

Questão
Acetazolamide is:
Responda
  • Drug used to increase rate of urine production.
  • Inhibits carbonic anhydrase enzyme.
  • Block Na+ - K+ - Cl-- co-transporter.
  • Both A & B.

Questão 15

Questão
Which of the following increase Na+ reabsorption:
Responda
  • Aldosterone.
  • Estrogen.
  • Glucocorticoid.
  • All of the above.

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