Nerve Signals- Reflex Arcs Flashcards Preview

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Flashcards in Nerve Signals- Reflex Arcs Deck (10)
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1
Q

Three- neuron arcs consist of all three kinds of neurons: _____, _____, and ______ ______.

A

Sensory, interneurons, and motor neurons

2
Q

Impulse conduction in a reflex arc normally starts in _____.

A

Receptors (receptionist at the front desk)

3
Q

A(n) _____ is the place where impulses are transmitted from one neuron to another neuron.

A

Synapse •
(Synapse _)
(Neuron•)

4
Q

A(n) ______ is the response to impulse conduction over reflex arcs

A

Reflex

5
Q

Contraction of a muscle that causes it to pull away from an irritating stimulus is know as the _____ _____.

A

Withdraw reflex

6
Q

A(n) ______ is a group of nerve cell bodies located in the peripheral nervous system

A

Ganglion

PNS GANG

7
Q

All ____ lie entirely within the gray matter of the central nervous system

A

Interneurons

8
Q

In a patellar reflex, the nerve impulses that reach the quadriceps muscle (the effector) result in the classic “____ ____” response

A

Knee jerk

9
Q

______ _____ forms the H-shaped inner core of the spinal cord

A

Gray matter

10
Q

The simplest kind of arc is a(n) ______ _____ ______.

A

Two neuron arc

•efferent (motor neuron)
And
•afferent (sensory neuron)