Which of the following is a feature shared by cardiac muscle and skeletal muscle?
A. Autorhythmicity
B. Communication via electrical (gap) junctions
C. Muscle fiber striations
D. Dependence upon nervous stimulation
E. Intercalated discs
Answer: C
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As you climb a tree, you pull your thigh sideways (spreading your legs apart) to rest your foot on a nearby branch. This thigh movement is adduction.
Answer the following statement true (T) or false (F)
Which type of cell can only be found in the central nervous system?
A) satellite cells B) neurons C) oligodendrocytes D) Schwann cells E) None of the answers are correct.
Sympathetic preganglionic fibers
A) innervate as many as thirty-two ganglionic neurons in different ganglia. B) innervate the body wall and skeletal muscle fibers. C) release norepinephrine. D) stimulate contraction of smooth muscle fibers. E) None of the answers are correct.
When EPSPs occurring simultaneously from two different presynaptic inputs add together or sum to bring the postsynaptic cell to threshold, it is called ____________________
Fill in the blank(s) with correct word