Neuroglia is the type of cell that _____.?
A) ?is able to react when stimulated
B) ?insulates, supports, and protects neurons
C) ?is able to pass the nerve impulse generated by other cells
B
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Over 90 percent of nervous system pathways decussate. What does "decussate" mean?
A. Branch extensively B. Carry information to and from the same effector C. Switch from carrying motor information to carrying sensory information D. Cross from one side of the body to the other E. None of the choices is correct.
A person is found to have a problem with clearing mucous from the lungs. What information in the person's history could explain this problem with mucociliary clearance?
A) Smoking B) Sedentary lifestyle C) High level of exercise D) Low sodium diet
Answer the following statements true (T) or false (F)
1. Skeletal muscle is also called striated muscle. 2. Smooth muscle is also called voluntary muscle. 3. Cardiac muscle is found in the heart. 4. Like skeletal muscles, cardiac muscles have striations. 5. Like skeletal muscles, cardiac muscles have intercalated disks.
Positive inotropic agents
a. decrease the contractility of the heart. b. cause hemolysis of blood clots. c. prevent blood clotting. d. increase the contractility of the heart.