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8 Cards in this Set
- Front
- Back
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What is the detrusor muscle?
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a collection of longitudinal and circular muscles know as the powerful detrusor muscle, rugae are present in the mucosal lining of the bladder and disappear with bladder filling.
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Where is the trigone?
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triangular area bounded by the ureteral openings and the entrance to the urethra
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Describe the nerves responsible for bladder innervation.
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Sympathetic (L1-L2), Parasympathetic (S1-S2)
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The ureters are located in what body cavity?
a. retroperitoneal b. abdominal c. pelvic d. all of the above |
D all of th above
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What anatomical features are known collectively as the trigone?
a. hilum, ureters, and bladder b. rugae, internal sphincter, and urethral opening c. ureteral slits and urethral entrance d. detrusor, ureters and urethra |
C ureteral slits and urethral entrance
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The external urethral sphincter is controlled by:
a. sympathetics from the hypogastric plexus b. parasympathetics from the pelvic nerve c. visceral afferts from the visceral plexus d. somatic fibers from the pudendal nerve |
D somatic fibers from the pudendal nerve
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Sympathetic mediation of the bladder causes:
a. detrusor muscle contraction b. inhibition of excitatory parasympathetic stimulation to the detrusor c. contraction of external sphincter d. referred pain often termed renal colic |
B inhibition of excitatory parasympathetic stimulation to the detrusor
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5. What feature prevents retrograde movement of urine from the bladder?
a. concomitant ureteral peristalsis with bladder contraction b. the internal sphincter of the bladder c. one way ureteral valves that promote forward flow d. slit like rather that rounded ureteral openings |
D slit like rather that rounded ureteral openings
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