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Challenge Yourself
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1
Which organ is responsible for filtering the blood?
A)ureter
B)urinary bladder
C)kidney
D)urethra
2
Which statement is true about the urinary bladder?
A)The bladder neck is surrounded by the external urethral sphincter.
B)The detrusor muscle contains two layers of smooth muscle.
C)The bladder is lined with transitional epithelium.
D)The bladder receives urine from the kidneys via the two urethras.
3
Tubular fluid from the proximal convoluted tubule next travels to the
A)capsular space.
B)collecting duct.
C)distal convoluted tubule.
D)nephron loop.
4
The apex of a renal pyramid is called the renal
A)calyx.
B)papilla.
C)column.
D)capsule.
5
The arteries located at the corticomedullary junction of the kidney are the
A)arcuate arteries.
B)segmental arteries.
C)interlobar arteries.
D)renal arteries.
6
Which statement is false about the kidneys?
A)The right kidney is positioned more inferiorly than the left kidney.
B)The cortex is subdivided into renal pyramids.
C)The renal artery, renal vein, and ureter connect to the kidney at its hilum.
D)The kidney is covered with a renal capsule.
7
Urine in a major calyx of the kidney next travels to the
A)ureter.
B)minor calyx.
C)urinary bladder.
D)renal pelvis in the renal sinus.
8
Which structure is not controlled by the autonomic nervous system?
A)tunica muscularis of the ureter
B)external urethral sphincter
C)internal urethral sphincter
D)detrusor muscle of the urinary bladder
9
Reabsorption is the movement of fluid and solutes from the
A)filtrate into the glomerular capillaries.
B)tubular fluid into the capsular space.
C)tubular fluid into the peritubular capillaries.
D)blood vessels into the collecting ducts.
10
The micturition reflex controls
A)urine formation.
B)voiding of the filled bladder.
C)formation of a salt gradient in the kidney.
D)filling of the urinary bladder.





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