unit 3 idek anymore

Question 1

what percentage of the blood is plasma

Answer 1

55%

Question 2

what are the substances dissolved in the water of plasma

Answer 2

proteins/hormones, gases, nutrients

Question 3

what is the main function of erythrocytes

Answer 3

red blood cells. carry oxygen and carbon dioxide

Question 4

what is the main function of leukocytes

Answer 4

white blood cells. fight infection

Question 5

what is the main function of thrombocytes

Answer 5

platelets. clotting cells.

Question 6

small veins that connect the capillaries to the large veins of the body

Answer 6

venules

Question 7

fatty deposits inside the coronary arteries cause a condition known by what two names

Answer 7

coronary artery disease, ateriosclerosis

Question 8

complete blockage of coronary vessels leads to

Answer 8

heart attacks

Question 9

loose fatty plaque may result in the formation of a clot called a

Answer 9

thrombus

Question 10

when a thrombus dislodges and moves to another location in the body it is

Answer 10

an embolism

Question 11

when a clot blocks a coronary artery and the heart muscle becomes hungry for oxygen it is called

Answer 11

ischemia

Question 12

does lack of oxygen to heart issue immediately cause permanent damage

Answer 12

no, this will not occur until the injury stage

Question 13

chest pain that is a result of the heart being starved for oxygen is called

Answer 13

angina

Question 14

why is chest pain more common when the patient is exercising or under stress

Answer 14

the heart is forced to work harder and the diastolic stage is shortened so chambers have less time to fill

Question 15

permanent damage to the heart muscle

Answer 15

infarction

Question 16

the amount of blood the heart can pump is called

Answer 16

cardiac output