Circulatory

Question 1

What in veins prevents the back flow of blood

Answer 1

Valves

Question 2

Arteries and veins have what kind a muscle

Answer 2

Smooth

Question 3

What is the normal blood pressure

Answer 3

120/80

Question 4

Arteries and veins have what kind of tissue

Answer 4

Connective

Question 5

Blood being pushed OUT

Answer 5

systole (LUB); on top

Question 6

Where is the site of gas exchange?

Answer 6

Alveoli

Question 7

Blood filling the ventricles is?

Answer 7

Diastole (DUB)

Question 8

What is hypertension

Answer 8

High blood pressure

Question 9

what blood pressure is considered hypertension

Answer 9

140/90 or higher

Question 10

Is pressure exerted when blood is ejected into arteries systolic or diastolic blood pressure?

Answer 10

Systolic

Question 11

What is a heart attack?

Answer 11

Damage that occurs when a coronary feeding the heart is blocked

Question 12

First step of blood clotting

Answer 12

Break in capillary wall; blood vessels injured

Question 13

Second step of blood clotting

Answer 13

Clumping of platelets; Platelets clump at the site and release thromboplastin. Thromboplastin converts prothrombin into thrombin..

Question 14

Third step of blood clotting

Answer 14

Clot forms; Thrombin converts fibrinogen into fibrin, which causes a clot. The clot prevents further loss of blood..

Question 15

How are blood types determined

Answer 15

By the presence or absence of certain antigens