At a neuromuscular junction
A) actin and myosin filaments slide past one another.
B) intercalated discs are synthesized.
C) neurotransmitters are released.
D) troponin and tropomyosin exchange places.
C
You might also like to view...
Which of the following is correctly matched?
A) sympathetic: short preganglionic and long postganglionic fibers B) sympathetic: short preganglionic and short postganglionic fibers C) sympathetic: long preganglionic and short postganglionic fibers D) parasympathetic: short preganglion and long postganglionic fibers E) parasympathetic: contains only preganglionic fibers
Twitch summation
a. is a means by which gradation of muscle contraction may be accomplished. b. results from increasing the number of motor units that are firing within a muscle. c. results from increasing the frequency at which motor units are firing within a muscle. d. both (a) and (b) above. e. both (a) and (c) above.
Taste receptors for the 5 different categories of taste sensations are evenly distributed on the tongue.
Answer the following statement true (T) or false (F)
Name the fixed end or most stationary, proximal end of the muscle.
A. Origin B. Insertion