Of the Following, ________ Is the Smallest Mass

question 121

Multiple Choice

Of the following, ________ is the smallest mass.

• A)55 kg
• B)55 mg
• C)55 pg
• D)55 fg
• E)55 ng

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Definitions:

Neuron

Morphologic and functional unit of the nervous system, consisting of the nerve cell body, the dendrites, and the axon; also called nerve cell.

Synaptic Vesicles

Small organelles within neurons that store and release neurotransmitters at the synapse.

Neurotransmitters

Chemicals released by neurons to transmit signals across a synaptic gap to a target cell.

Presynaptic Terminals

The ends of axons where neurotransmitters are stored before being released into the synaptic cleft in response to a nerve impulse.