Which of components of a general reflex arc are listed in the order information typically flows through them following a stimulus?
A. Receptor, efferent pathway, integrating center, afferent pathway, effector
B. Integrating center, receptor, afferent pathway, efferent pathway, effector
C. Effector, afferent pathway, integrating center, efferent pathway, receptor
D. Receptor, afferent pathway, integrating center, efferent pathway, effector
E. Effector, efferent pathway, integrating center, afferent pathway, receptor
Answer: D
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A) They cross back immediately through recovery channels. B) They are pumped back across using the Na+/K+ ATPase pump. C) They are forced back across the membrane as the action potential moves away. D) The refractory periods do not end until all ions have been returned to their original areas.
Which of the following is the proper sequence of phases in the sexual response cycle?
a. plateau, excitement, orgasmic, resolution. b. excitement, plateau, orgasmic, resolution. c. plateau, orgasmic, excitement, resolution. d. resolution, plateau, orgasmic, excitement. e. excitement, orgasmic, resolution, plateau.
Red bone marrow does not contain ________.
A. yellow bone marrow B. red blood cells C. myeloid tissue D. hemopoietic tissue E. white blood cells
In excitation-contraction coupling,
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