Micturition
A. is another name for urination.
B. is a reflex triggered by stretch receptors in the urinary bladder.
C. requires the opening of two sphincters.
D. requires contraction of the muscularis layer of the urinary bladder.
E. All of the choices are correct.
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Question 2) This figure shows a frontal section of the kidney. Which number(s) indicate a renal papilla?
A. 2, 7
B. 3
C. 6
D. 9
E. 10
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Question 3) Within the urinary system, the storage reflex involves
A. contraction of both the detrusor muscle and the internal urethral sphincter.
B. contraction of the detrusor muscle and relaxation of the internal urethral sphincter.
C. relaxation of the detrusor muscle and contraction of the internal urethral sphincter.
D. relaxation of both the detrusor muscle and the internal urethral sphincter.
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Question 4) The muscularis layer of the urinary bladder is commonly called the _____ muscle.
A. detrusor
B. trigone
C. extrusor
D. extrinsic
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Question 5) Which is not correct regarding the urinary bladder?
A. There are two ureteral openings.
B. The inferior portion of the bladder is called the apex.
C. The mucosa has rugae for distension.
D. The peritoneum covers only the superior surface of the bladder.
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Question 6) . Individuals can voluntarily empty their bladder by contracting their abdominal muscles as part of the Valsalva maneuver.
Indicate whether this statement is true or false.
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Question 7) . Where in the urinary tract is transitional epithelium found?
A. Urinary bladder
B. Urethra
C. Ureters, urinary bladder, and prostatic urethra
D. Ureters
E. Ureters and urinary bladder
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Question 8) What is the value of transitional epithelium in the urinary system?
A. Its cilia help propel the urine.
B. It can contract to produce peristalsis.
C. It allows distension.
D. It protects against trauma.
E. It provides cushioning.
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Question 9) Which layer is not found in the wall of the ureter?
A. Adventitia
B. Muscularis
C. Mucosa
D. Submucosa
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Question 10) Urine flow from the renal pelvis to the urinary bladder is produced by
A. ciliary action in the renal pelvis.
B. suction from the urinary bladder.
C. peristalsis of the ureters.
D. hydrostatic pressure from the small intestine.
E. contraction of the detrusor muscle.
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