Pregunta 1
Pregunta
Which of the following is not a normal constituent of urine
Respuesta
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Nitrogenous wastes
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Hormones
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Pigments
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Blood cells
Pregunta 2
Pregunta
This hormone tends to decrease the amount or urine produced.
Respuesta
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a. ANH
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b. Aldosterone
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c. ADH
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d. Both B and C
Pregunta 3
Pregunta
Which of the following is/are classified as an accessory organ of the urinary system
Respuesta
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Ureters
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Urinary bladder
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Urethra
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All of the above
Pregunta 4
Pregunta
The function of the urinary bladder is to
Respuesta
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a. serve as a reservoir for urine before it leaves the body.
-
b. expel urine from the body, aided by the urethra.
-
c. help concentrate the urine in periods of dehydration.
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d. Both A and B
Pregunta 5
Pregunta
The nitrogenous wastes in the urine are usually the result of protein catabolism. They include all but:
Respuesta
-
urea
-
ammonia
-
creatinine
-
amino acids
Pregunta 6
Pregunta
Reabsorption, as performed in the kidney, may be defined as the
Respuesta
-
movement of molecules out of the tubule and into the peritubular blood
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movement of molecules out of the peritubular blood and into the tubule for excretion
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movement of water and solutes from the plasma in the glomerulus, across the glomerular-capsular membrane, and into the capsular space of Bowman’s capsule
-
volume of plasma from which a substance is removed by the kidney per minute
Pregunta 7
Pregunta
This hormone tends to increase the amount of urine produced
Respuesta
-
a. ANH
-
b. Aldosterone
-
c. ADH
-
d. Both B and C
Pregunta 8
Pregunta
Of all the blood pumped per minute by the heart, approximately [blank_start]one-fifth[blank_end] goes through the kidneys.
Respuesta
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One-fifth
-
One-third
-
One-half
-
Three-fourths
Pregunta 9
Pregunta
ADH has the greatest effect on the reabsorption of water in the
Respuesta
-
proximal tubule
-
ascending loop of Henle
-
descending loop of Henle
-
distal tubule
Pregunta 10
Pregunta
This vein drains into the renal vein
Respuesta
-
Lobar vein
-
Arcuate vein
-
Interlobular vein
-
Segmental vein
Pregunta 11
Pregunta
The calyces of the kidney join together to form a large collection reservoir called the
Respuesta
-
renal columns
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renal pyramids
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renal pelvis
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hilum
Pregunta 12
Pregunta
A good description of the urinary system is that it
Pregunta 13
Pregunta
This is the first branch of the segmental artery
Respuesta
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Afferent arterioles
-
Lobar arteries
-
Arcuate arteries
Pregunta 14
Pregunta
In the average bladder, this amount of urine causes a moderately distended sensation and the desire to void
Respuesta
-
250 ml
-
100 ml
-
600 ml
-
150 ml
Pregunta 15
Pregunta
Urine formation involves all the following processes except
Respuesta
-
filtration
-
catabolism
-
reabsorption
-
secretion
Pregunta 16
Pregunta
In the kidney, blood flows from the interlobular artery into the
Respuesta
-
glomerulus
-
efferent arteriole
-
afferent arteriole
-
peritubular capillaries
Pregunta 17
Pregunta
Which following structure does not enter or leave through the hilum of the kidney?
Respuesta
-
Calyx
-
Renal artery
-
Renal vein
-
Ureter
Pregunta 18
Pregunta
A drop in systemic blood pressure would cause the filtration rate to
Respuesta
-
increase
-
decrease
-
stay the same
-
all of these
Pregunta 19
Pregunta
Under normal conditions, most nutrients are reabsorbed in which portion of the nephron?
Respuesta
-
Proximal tubule
-
Ascending loop of Henle
-
Distal tubule
-
Collecting tubule
Pregunta 20
Pregunta
Which of the following is not normally secreted into the distal or collecting tubules?
Respuesta
-
Potassium ions
-
Hydrogen ions
-
Ammonium ions
-
Sodium ions
Pregunta 21
Pregunta
The movement of molecules out of the tubules and into the peritubular blood defines
Respuesta
-
glomerular filtration
-
secretion
-
micturition
-
reabsorption