biological psychologists - CORRECT ANSWER-the scientific study of the links between biological and psychological processes. neuron - CORRECT ANSWER-a nerve cell; the basic building block of the nervous system.

AP Psychology Myers Unit 2 Biology Questions And Answers
2025/2026




biological psychologists - CORRECT ANSWER-the scientific study of
the links between biological and psychological processes.


neuron - CORRECT ANSWER-a nerve cell; the basic building block of the
nervous system.


dendrites - CORRECT ANSWER-the bushy, branching extensions of a
neuron that receive messages and conduct impulses toward the cell
body.


axon - CORRECT ANSWER-the neuron extension that passes and
electrical messages through its branches to other neurons or to muscles
or glands.


myelin sheath - CORRECT ANSWER-a layer of fatty tissue segmentally
encasing the fibers of many neurons; enables vastly greater
transmission speed of neural impulses as the impulse hops from one
node to the next.

, action potential - CORRECT ANSWER-a neural impulse; a brief electrical
charge that travels down an axon.


refractory period - CORRECT ANSWER-a period of inactivity after a
neuron has fired as it waits to return to its original state


threshold - CORRECT ANSWER-the level of stimulation required to
trigger a neural impulse.


all-or-nothing response - CORRECT ANSWER-a neuron's reaction of
either firing or not firing.


synapse - CORRECT ANSWER-the junction between the axon tip of the
sending neuron and the dendrite or cell body of the receiving neuron.
The tiny gap at this junction is called the synaptic gap or synaptic cleft.


neurotransmitters - CORRECT ANSWER-chemical messengers that cross
the synaptic gaps between neurons. When released by the sending
neuron, they travel across the synapse and bind to receptor sites on the
receiving neuron, thereby influencing whether that neuron will
generate a neural impulse.