Once the action potential reaches the axon terminal, what happens next?

A) release of a neurohormone into the blood
B) exocytosis of a neurocrine
C) release of the neurotransmitter into the synaptic cleft
D) Any of the above could happen next.


D) Any of the above could happen next.

Anatomy & Physiology

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Which of the following is a physiological buffer?

A. Bicarbonate buffer B. Renal mechanism C. Phosphate buffer D. Protein buffer

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Platyhelminthes exhibit which of the following lifestyles?

A) Free-living B) Free-living and ectoparasitic C) Ectoparasitic and endoparasitic D) Free-living, ectoparasitic, and endoparasitic

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Which of the following is not a type of capillary?

A. Fenestrated B. Sinusoidal C. Continuous D. Distributing

Anatomy & Physiology

The vitamin that functions as part of coenzyme A is

A) pantothenic acid (B5). B) nicotinic acid (B3). C) folic acid (B9). D) cobalamin (B12). E) riboflavin (B2).

Anatomy & Physiology