Select the first step for synaptic signaling when the action potential arrives at the axon terminal of a presynaptic neuron
a. A neurotransmitter is released by exocytosis.
b. Calcium flows into the synaptic knob.
c. The neurotransmitter combines with a protein receptor on the subsynaptic membrane.
d. The permeability is altered in a postsynaptic neuron.
e. The axon terminal depolarizes.
E
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The study of anatomy and physiology assumes and describes a healthy body. Select the description below that does NOT explain why this approach is useful
A) Study of a healthy body is less intimidating and more familiar new students. B) A healthy body provides a common standard to compare to. C) A healthy body establishes what "normal" is. D) Study of a healthy body provides a foundation for a more complete understanding of all human bodies.
Identify the three types of gated ion channels, and state the conditions under which each operates
What will be an ideal response?
What theory of muscle contraction involves thick myofilaments grabbing thin myofilaments and pulling them toward the center of the sarcomere?
A. Sliding filament theory B. Cross-bridge theory C. All or nothing theory D. Power stroke theory
The __________ and axillary temperatures are comparable, whereas __________ temperature averages about 1°F higher
Fill in the blank(s) with correct word