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2330552
Renal Exam
Descripción
Review
Sin etiquetas
physiology
renal
revision
Test por
#أطباء_2020
, actualizado hace más de 1 año
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hace casi 10 años
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Resumen del Recurso
Pregunta 1
Pregunta
The arteries which run between the medullary pyramids:
Respuesta
Arcuate arteries.
Interlobular arteries.
Interlobar arteries.
Renal artery.
Pregunta 2
Pregunta
Regarding renal plasma clearance:
Respuesta
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.
Pregunta 3
Pregunta
Glomerular filtration rate:
Respuesta
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.
Pregunta 4
Pregunta
Decreased renal blood flow will lead to:
Respuesta
Increased GFR.
Decreased GFR.
Increased glomerular capillary pressure.
Both A & C.
Pregunta 5
Pregunta
Sever constriction of efferent arterioles leads to:
Respuesta
Increased GFR.
Decreased GFR.
Increased plasma osmotic pressure.
Both B & C.
Pregunta 6
Pregunta
GFR is:
Respuesta
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.
Pregunta 7
Pregunta
According amino acids reabsorption:
Respuesta
Reabsorbed partially by 2ry active process.
Reabsorbed completely by 1ry active process.
Reabsorbed partially by 1ry active process.
Reabsorbed completely by 2ry active process.
Pregunta 8
Pregunta
65% of filtered water is reabsorbed in:
Respuesta
Proximal tubule by facilitated diffusion.
Distal tubule by facultative reabsorption.
Proximal tubule by passive diffusion.
Both B & C.
Pregunta 9
Pregunta
Which of the following is true about Loop of Henle:
Respuesta
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.
Pregunta 10
Pregunta
The thick ascending limb of loop of Henle:
Respuesta
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.
Pregunta 11
Pregunta
Regarding renal counter current mechanism:
Respuesta
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.
Pregunta 12
Pregunta
The function of the countercurrent exchanger system in vasa recta:
Respuesta
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.
Pregunta 13
Pregunta
Kidney can excrete diluted urine when:
Respuesta
One drinks small amount of water.
Drinking a hypotonic fluid.
ADH secretion is stimulated.
Both B & C.
Pregunta 14
Pregunta
Acetazolamide is:
Respuesta
Drug used to increase rate of urine production.
Inhibits carbonic anhydrase enzyme.
Block Na+ - K+ - Cl-- co-transporter.
Both A & B.
Pregunta 15
Pregunta
Which of the following increase Na+ reabsorption:
Respuesta
Aldosterone.
Estrogen.
Glucocorticoid.
All of the above.
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