Catecholamines are a subtype of ________ neurotransmitter.
A. soluble gas
B. neuropeptide
C. acetylcholine
D. monoamine
E. amino acid
Answer: D
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The ejaculatory duct is formed by the
A. ampulla and the proximal portion of the seminal vesicle. B. ampulla and the prostatic urethra. C. ductus deferens and the ducts of the prostate gland and bulbourethral glands. D. ampulla and the distal portions of the bulbourethral glands. E. ductus deferens and the ducts of the prostate gland.
The portion of the sternum first seen on CT axial images arranged in descending order is the manubrium.
Answer the following statement true (T) or false (F)
The ratio of intracellular to extracellular fluids in the body of an average male is
A. 2:1 B. 1:2 C. 3:2 D. 1:1
In the phospholipase C mechanism, most of the increased intracellular calcium comes from ________.
A. within the plasma membrane B. extracellular fluid C. the endoplasmic reticulum D. outside the cell