The ________ muscle is located in the urinary bladder.
A. corpus cavernosum
B. detrusor
C. pubococcygeus
D. corpus spongiosum
E. distractor
Answer: B
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A 78-year-old man is suffering from ischemia of the suprarenal glands. This condition results from rapid occlusion of direct branches of which of the following arteries?
(A) Aorta, splenic, and inferior phrenic arteries (B) Renal, splenic, and inferior mesenteric arteries (C) Aorta, inferior phrenic, and renal arteries (D) Superior mesenteric, inferior mesenteric, and renal arteries (E) Aorta and hepatic and renal arteries
Which of the following has no nucleus?
a. White blood cells. b. Sperm cells. c. Red blood cells. d. Liver cells.
The nerve that innervates the diaphragm is called the _______?
a) glossopharyngeal b) cardiac accelerator c) vagus d) phrenic e) cervical spinal
An excitatory neurotransmitter _____ the postsynaptic membrane
a) depolarizes b) repolarizes c) hyperpolarizes d) does not affect the polarity of e) moves across channels in