Control of Blood Pressure

Question 1

What are the two short term regulators of blood pressure?

Answer 1

• Cardiovascular system
• Baroreceptor reflex

Question 2

What are the two long term regulators of blood pressure?

Answer 2

• Kidneys
• Blood volume alterations

Question 3

How quickly do changes to CO and TPR occur?

Answer 3

Within 2 heart beats

Question 4

What is a finapres?

Answer 4

Blood pressure monitor on the finger

Question 5

What is the most common abnormality in blood pressure?

Answer 5

Hypertension

Question 6

What can hypertension lead to?

Answer 6

Damaged blood vessel endothelium leading to deposition of fatty material on the inner walls of arteries

Question 7

What happens to baroreceptors during hypertension?

Answer 7

They are unable to bring MAP back to normal

Question 8

What can cause hypotension?

Answer 8

• Heart is too weak
• Too little blood to fill vessels

Question 9

What is hypovolemic shock?

Answer 9

When there is a loss of blood volume

Question 10

What is cardiogenic shock?

Answer 10

When the heart can’t contract properly

Question 11

How is blood volume primarily decreased?

Answer 11

By kidneys excreting excess water in the urine

Question 12

How is blood volume primarily increased?

Answer 12

By drinking water and vasoconstriction

Question 13

How is blood volume regulated?

Answer 13

Altering the glomerular filtration rate