Receptors that in general do not produce an action potential, but can release neurotransmitters in response to a receptor potential are ________ receptors.
A. tonic
B. secondary
C. primary
D. phasic
Answer: B
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What will be an ideal response?
The largest organ in the body is the ____
a. heart b. stomach c. pancreas d. liver
In some cells, an afterpotential occurs because
A. the extracellular Na+ concentration is reduced. B. the permeability to Na+ continues longer than necessary. C. the Na+ continue to enter the cell after depolarization is finished. D. there is prolonged, elevated permeability to K+ during repolarization. E. the sodium-potassium pump is actively exchanging ions across the membrane.
Drugs that block the production of cytokines, like cyclosporin, may be useful for treating autoimmune disorders
Indicate whether the statement is true or false.