Autonomic Control of the Heart

Question 1

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

Answer 1

Sympathetic system

Question 2

The heart rate centre is located in the….

Answer 2

Medulla oblongata of the brain

Question 3

Which factors determine which systems become active?

Answer 3

Factors such as need for oxygen or the blood pressure level

Question 4

How is the SA node connected to the brain?

Answer 4

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

Question 5

The rate of the heart can also be controlled by

Answer 5

The nervous system

Question 6

The nerve pathway called autonomic nervous system has…

Answer 6

Two systems that affect the heart rate

Question 7

Cranial nerve #10

Answer 7

Vagus nerve

Question 8

System that causes the heart beat to slow down

Answer 8

Parasympathetic system

Question 9

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….

Answer 9

SA node to speed up its contractions