Many upper motor neurons synapse with lower motor neurons in the ________.
A. posterior root ganglion
B. posterior column
C. anterior column
D. posterior horn
E. anterior horn
Answer: E
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At a synapse the 0.2-0.5 milliseconds it takes for calcium influx and neurotransmitter release is called
A) latency period. B) synaptic delay. C) recovery period. D) repolarization. E) synaptic diffusion.
Skeletal muscle produces body movement as well as maintains our ________ as we sit.
A. strength B. vasodilation C. vasoconstriction D. posture
Given the information below, the neuron with the characteristics listed in choice __________ would have the fastest conduction velocity
A) Myelinated, 50 ?m diameter B) Myelinated, 10 ?m diameter C) Unmyelinated, 50 ?m diameter D) Unmyelinated, 10 ?m diameter Fill in the blank with the correct answer.
Involution is
a) When the placenta is expelled b) When the umbilical cord is cut c) When the uterus decreases in size d) When the cervix dilates e) None of these choices