circulatory system

Question 1

what happens to heart during diastole?

Answer 1

the heart has a brief period of rest

Question 2

what happens to the heart during systole?

Answer 2

Period of contraction of heart where it squeezes out blood

Question 3

whats arrhythmia?

Answer 3

abnormal hearth rhythms

Question 4

how is arrhythmia diagnosed?

Answer 4

cardiac monitors and electrocardiogram

Question 5

arteries?

Answer 5

Muscular elastic blood vessels that carry blood away from the heart

Question 6

whats the most muscular and elastic blood vessel?

Answer 6

arteries

Question 7

whats the conductive pathway for electrical impulse in the heat?

Answer 7

SA node, AV node, bunndle of his, R & L bundle branches, purkinje fibers

Question 8

veins

Answer 8

blood vessels that carry blood back to heart and contain valves to prevent backflow of blood

Question 9

capillaries

Answer 9

vessels that allow oxygen and nutrients to pass through the cell and connect arterioles with venules

Question 10

aorta

Answer 10

largest artery in the body

Question 11

superior and inferior vena cava

Answer 11

two largest veins in body

Question 12

venules

Answer 12

smallest branches of veins in the body

Question 13

arterioles?

Answer 13

smallest branches of arteries in the body

Question 14

what are six substances transported by the blood?

Answer 14

oxygen, carbon dioxide, nutrients, metabolic and waste products, heat

Question 15

six substances that are dissolved or suspended in plasma

Answer 15

blood proteins, nutrients, vitamins, gasses, metabolic waste products and hormones

Question 16

what are the three main blood cells?

Answer 16

erythrocytes, leukocytes, thrombocytes

Question 17

function of erythrocytes?

Answer 17

carry oxygen from lungs to the body and brings carbon dioxide from body to lungs

Question 18

function of leukocytes?

Answer 18

protects body from infectious disease and foreign invaders

Question 19

function of thrombocytes?

Answer 19

stops bleeding by clumping and clotting blood vessel injuries

Question 20

what gives blood its characteristic of red color ?

Answer 20

hemoglobin

Question 21

whats hemoglobin? function?

Answer 21

• complex protein composed of protein molecule called globin
• transports o2 and co2 threw the body

Question 22

whats neutrophils and monocytes?

Answer 22

phagocytize bacteria

Question 23

what do lymphocytes do?

Answer 23

provide immunity for the body by developing antibodies

Question 24

what do eosinophils do?

Answer 24

defend the body from allergic reactions

Question 25

what do basophils do?

Answer 25

produce histamine and heparin

Question 26

aneurysm disease?

Answer 26

saclike formation in the wall of an artery

Question 27

anemia disease?

Answer 27

inadequate number of red blood cells, hemoglobin, or both

Question 28

varicose veins disease?

Answer 28

dilated swollen veins

Question 29

artherosclerosis disease?

Answer 29

a fatty deposit on the wall of arteries

Question 30

hemophilia disease?

Answer 30

disease characterized by failure of blood to clot

Question 31

hypertension disease?

Answer 31

high blood pressure

Question 32

thrombophlebitis disease?

Answer 32

inflammation of the veins with formation of a clot

Question 33

myocardial infarction disease?

Answer 33

blockage in the coronary arteries of the heart

Question 34

embolus disease?

Answer 34

foreign substance circulating in the blood stream

Question 35

leukemia disease?

Answer 35

malignant disease with large numbers of immature white blood cells

Question 36

aortic valve ?

Answer 36

valve between the left ventricle and aorta

Question 37

myocardium?

Answer 37

muscular middle layer of the heart

Question 38

pericardium ?

Answer 38

double- layer membrane on outside of heart

Question 39

whats the septum?

Answer 39

the muscular wall that separates the heart into a right and left side

Question 40

right and left ventricles?

Answer 40

lower chamber of the heart

Question 41

right and left atria?

Answer 41

upper chamber of heart

Question 42

fluid portion of blood?

Answer 42

plasma

Question 43

pulmonary valve?

Answer 43

valve between the right ventricle and right pulmonary artery?

Question 44

endocardium?

Answer 44

smooth layer of cell lining the inside of the heart

Question 45

whats tissue that flows through the circulatory system?

Answer 45

blood

Question 46

what's the period of ventricular contraction in the heart?

Answer 46

systole