Autonomic Control of the Heart Flashcards

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1
Q

System that causes the heart beat to increase during times of stress

A

Sympathetic system

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2
Q

The heart rate centre is located in the….

A

Medulla oblongata of the brain

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3
Q

Which factors determine which systems become active?

A

Factors such as need for oxygen or the blood pressure level

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4
Q

How is the SA node connected to the brain?

A

The SA node is connected to the brain by the Vagus nerve

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5
Q

The rate of the heart can also be controlled by

A

The nervous system

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6
Q

The nerve pathway called autonomic nervous system has…

A

Two systems that affect the heart rate

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7
Q

Cranial nerve #10

A

Vagus nerve

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8
Q

System that causes the heart beat to slow down

A

Parasympathetic system

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9
Q

When the brain perceives that the blood is getting delivered to the tissues to slowly, or if blood pressure is low, the brain will signal the….

A

SA node to speed up its contractions

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