What causes muscles to twitch?
a. depolarization of the muscle fiber produced by an influx of sodium ions
b. depolarization of the muscle fiber produced by an influx of potassium ions
c. hyperpolarization of the muscle fiber produced by an influx of calcium ions
d. hyperpolarization of the muscle fiber produced by an outflow of potassium ions
a
You might also like to view...
Learning to tie one's shoes is most likely acquired via the process of
a. operant conditioning. b. reflexive conditioning. c. spontaneous recovery. d. classical conditioning.
Who of the following is most likely to experience body dissatisfaction?
a. 12-year-old Pedro who is tall for his age b. 12-year-old Penelope who is overweight c. 19-year-old Paulette who is tall for her age d. 19-year-old Phillip who is large but muscular
The process, mechanism, or means through which a variable produces a particular outcome is known as a(n) ____ variable
a. comorbid b. correlated c. mediating d. moderating
Sexual differentiation occurs:
a. at the point of conception b. during the embryonic stage of the pregnancy c. during the germinal stage of the pregnancy d. during the fetal stage of the pregnancy