Which of the following characteristic is associated with funny channels?
a. the plateau phase of a cardiac action potential
b. they open after threshold is reached
c. they allow the influx of calcium
d. they open when the membrane potential becomes hyperpolarized
e. both (a) and (c)
D
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The B vitamins are
A. amino acids. B. all produced by the body and non-essential. C. involved in the oxidation of carbohydrates, lipids, and proteins. D. lipid-soluble.
The bundle of collagen fibers at the end of a skeletal muscle that attaches the muscle to bone is called a(n)
A) fascicle. B) tendon. C) ligament. D) epimysium. E) myofibril.
M-CSF is a growth factor that stimulates the production of monocytes from myeloblast cells
Indicate whether this statement is true or false.
In endometriosis,
A) the inner uterine lining tissue no longer grows during the woman's reproductive cycles. B) tissue resembling the inner uterine lining grows in the thoracic cavity. C) tissue resembling the inner uterine lining grows in the abdominal cavity. D) a new mother becomes extremely depressed.