AP Psych Unit 2 Biopsych (Modules 9-15)

What is the term for the basic building block of the nervous system (otherwise known as a nerve cell)?

• Neuron

• Gene

• Nerves

• Neurotransmitters

What is the part of a neuron that contains the nucleus?

• Cell Body

• Axon

• Myelin Sheath

• Dendrite

What part of the neuron has bushy, branching extensions that receive and integrate messages, conducting impulses toward the cell body?

• Synapse

• Axon

• Myelin Sheath

• Dendrite

What part of the neuron passes messages through its branches to other neurons or to muscles or glands?

• Synapse

• Axon

• Myelin Sheath

• Dendrite

What is a fatty tissue layer that encases axons of some neurons and enables faster transmission speed?

• Synapse

• Axon

• Myelin Sheath

• Dendrite

An action potential refers to

• a neural impulse

• a level of stimulation needed to trigger a neuron

• a period of brief resting pauce after a neuron has fired

• the junction between the axon and the dendrite

A threshold refers to

• a neural impulse

• a level of stimulation needed to trigger a neuron

• a period of brief resting pauce after a neuron has fired

• the junction between the axon and the dendrite

A refractory period refers to

• a neural impulse

• a level of stimulation needed to trigger a neuron

• a period of brief resting pause after a neuron has fired

• the junction between the axon and the dendrite

What is the meeting point between the axon tip and the dendrite?

• Synapse

• Glial Cell

• Myelin Sheath

• Cell Body

What term refers to a neurotransmitters reabsorbtion by the sending neuron?

• Reuptake

• Blindsight

• Antagonist

• Agonist