BIO2101 Exam 3 Nervous System Review

BIO2101 Exam 3 Nervous System Review

Assessment

Flashcard

Biology

University

Practice Problem

Hard

Created by

Wayground Content

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15 questions

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1.

FLASHCARD QUESTION

Front

What is the function of the inactivation gate of a sodium channel?

Back

The inactivation gate of a sodium channel prevents ion flow during the refractory period.

2.

FLASHCARD QUESTION

Front

How many segments does the spinal cord have?

Back

The spinal cord has 31 segments.

3.

FLASHCARD QUESTION

Front

What is the term for conduction that jumps from node to node along a myelinated axon?

Back

Saltatory conduction.

4.

FLASHCARD QUESTION

Front

What is the connective tissue surrounding a whole nerve called?

Back

Epineurium.

5.

FLASHCARD QUESTION

Front

What type of neurons does the dorsal root contain?

Back

Sensory neurons.

6.

FLASHCARD QUESTION

Front

What is the role of myelin in nerve conduction?

Back

Myelin insulates axons, increasing the speed of electrical impulses.

7.

FLASHCARD QUESTION

Front

What are the three main parts of a neuron?

Back

Dendrites, cell body, and axon.

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