PRE: Cardiovascular System

Question 1

normal heart beat range and average

Answer 1

range: 60-80 bpm
average: 70-72

Question 2

palpatory muscles

Answer 2

small muscles within the heart that anchor the heart valves

Question 3

diastole

Answer 3

the relaxation phase of the heart beat

Question 4

sysole

Answer 4

contractive phase of the heart beat

Question 5

pulse

Answer 5

the beat of the heart as felt through the walls of the arteries

Question 6

myocardial codudting cells

Answer 6

specialized tissue in the wall between the ventricles

Question 7

aorta

Answer 7

the main artery that carries blood away from the heart to the rest of the body

Question 8

left ventricle

Answer 8

one of the 4 chambers of the heart; it pumps oxygen rich blood to the body via aorta

Question 9

the 6 warning signs of a heart attack

Answer 9

-pain in left shoulder/arm and neck
-chest pain
-shortness of breath (along with lightheadedness, sweating , cold chills, and fainting)
-indigestion/heart burn and nasea
-squeezing in chest
-fatigue (for women)

Question 10

tricuspid valve

Answer 10

the valve that lies between the right atrium and ventricle, consisting on 3 flaps of tissue called cusps

Question 11

superior vena cava

Answer 11

a large vein that carries blood from the head, neck, arms, and chest to the heart

Question 12

pulmonary semilunar valve

Answer 12

the valve between the pulmonary artery and the right ventricle

Question 13

endocardium

Answer 13

the inner lining of the heart

Question 14

myocardium

Answer 14

specialized muscle tissue that forms the heart

Question 15

pulmonary artery

Answer 15

carries oxygen poor blood from the right side of the heart to the lungs

Question 16

venvle

Answer 16

a small vien

Question 17

5 warning signs for a stroke

Answer 17

-sudden numbness and weakness in face, arm, or leg (one sided)
-difficulty speaking and understanding (confusion)
-trouble seeing and walking
-loss of balance and dizziness
-sudden and sever headaches form seemingly nowhere

Question 18

3 things to help treat a stroke

Answer 18

-recline the person
-call 911
-give the afflicted person baby aspirin

Question 19

pulmonary vein

Answer 19

a vein that carries oxygenated blood from the lungs to the heart

Question 20

pacemaker of the heart

Answer 20

the tissue in the right atrium that begins the heart beat

Question 21

inferior vena cava

Answer 21

a large vein that carries blood from the legs, feet, and organs in the abdominal-pelvic cavity to the heart

Question 22

aortic semilunar valve

Answer 22

the valve between the left ventricle and the aorta

Question 23

chordae tendonae

Answer 23

thread-like bands of fibrous tissue which attaches to the palpatory muscles and bi/tri cuspid valves

Question 24

pericardium

Answer 24

the sac of fibrous tissue that surrounds the heart and roots the great blood vessels

Question 25

atrioventricular valves

Answer 25

valves between the atria and ventricles

Question 26

stroke

Answer 26

a blockage in the blood vessel tot he brain

Question 27

capillary

Answer 27

smallest blood vessel

Question 28

4 things about veins

Answer 28

-carries blood back to the heart -oxygen poor (for the most part) -valves to prevent any blood backup -60% of all blood

Question 29

bicuspid (mitral) valve

Answer 29

the valve that lies between the left atrium and ventricle, consisting of 2 flaps of tissue called cusps

Question 30

right atrium

Answer 30

one of the 4 chambers of the heart, it receives oxygen low blood from the body, emptying into the right ventricle

Question 31

left atrium

Answer 31

one of the 4 chambers of the heart, it receives blood full of oxygen from the lungs, emptying into the left ventricle

Question 32

6 things about afteries

Answer 32

-oxygen rich (mostly) -carries blood away from the heart -has think walls in comparison to veins -responsible from blood pressure -decreases in size the further it is from the heart -40% of all blood

Question 33

atria

Answer 33

receiving chambers, dump blood into ventricles

Question 34

right ventricle

Answer 34

one of the 4 chambers of the heart, it pumps oxygen poor blood to the lung via pulmonary artery

Question 35

AV node

Answer 35

specialized conductive tissue at the base of the wall between the upper heart chambers

Question 36

the 4 valves

Answer 36

-tricuspid valve -bicuspid valve -pulmonary semilunar valve -aortic semilunar valve

Question 37

septum

Answer 37

the dividing wall between both sides of the heart