Circulatory System

Question 1

What happens when the heart contracts?

Answer 1

It produces a wave of fluid pressure in the arteries

Question 2

How is blood pressure measured?

Answer 2

Sphygmomantometer

Question 3

What is a healthy blood pressure?

Answer 3

120/80

Question 4

What is the top number of blood pressure called?

Answer 4

Sytolic

Question 5

What is the bottom number of blood pressure called?

Answer 5

Diastolic

Question 6

What is blood pressure controlled by?

Answer 6

The opening and constricting of blood vessels and by changing the amount of water in blood. Changing the amount of water changes the blood volume, making less pressure (slide 42)

Question 7

What type of diseases are among the leading causes of death and disability in the U. S.?

Answer 7

Cardiovascular diseases

Question 8

What is atherosclerosis?

Answer 8

A condition in which fatty deposits called plaque build up on the inner walls of the arteries

Question 9

High blood pressure is defined as a sustained evalated blood pressure

Question 10

What happens when one of the coronary arteries becomes blocked?

Answer 10

Part of the heart muscle may begin to die from a lack of oxygen

Question 11

Enyeurism

Question 12

What are the ways of avoiding cardiovascular disease?

Answer 12

1. getting regular exercise
2. eating a balanced diet
3. avoiding smoking