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AP Psychology Unit 2.1 Nervous System & Neurons

AP Psychology Unit 2.1 Nervous System & Neurons

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Professional Development

Practice Problem

Hard

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16 questions

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1.

FLASHCARD QUESTION

Front

Which describes reuptake in neural communication?

Back

The absorption of neurotransmitters by a presynaptic neuron after it has sent a signal to a postsynaptic neuron.

2.

FLASHCARD QUESTION

Front

Neural firing occurs as an all-or-nothing response, which means?

Back

Neurons fire only when a certain threshold is reached.

3.

FLASHCARD QUESTION

Front

What is unique about a reflex arc?

Back

A reflex arc enables rapid responses to stimuli without brain involvement.

4.

FLASHCARD QUESTION

Front

What is the small gap between two neurons called?

Back

Synapse

5.

FLASHCARD QUESTION

Front

Which part of the neuron receives signals from other neurons?

Back

Dendrite

6.

FLASHCARD QUESTION

Front

What is a threshold in neural communication?

Back

The minimum stimulus level needed to trigger an action potential.

7.

FLASHCARD QUESTION

Front

The chemical messengers released into the spaces between neurons are called

Back

neurotransmitters

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