Module 1 - Lesson 4

Question 1

The circulatory system in the body can be divided broadly into 3 parts:

Answer 1

the heart
the systemic circulatory system
the pulmonary circulatory system

Question 2

both _______ and __________ are separate closed loops

Answer 2

systemic
pulmonary
circulation

Question 3

the heart is what role in the system?

Answer 3

the pump

Question 4

what is the order of travel for blood?

Answer 4

heart
arteries
capillaries
veins

Question 5

the pulmonary vein carries…

Answer 5

oxygenated blood

Question 6

the coronary sinus carries…

Answer 6

deoxygenated blood

Question 7

the IVC carries…

Answer 7

deox

Question 8

the aorta carries…

Answer 8

oxy

Question 9

the main pulmonary artery carries

Answer 9

deox

Question 10

the right atrium carries…

Answer 10

deox

Question 11

the left atrium carries…

Answer 11

oxy

Question 12

the right coronary artery carries…

Answer 12

oxy

Question 13

what is the purpose of blood circulation?

Answer 13

deliver oxygen, nutrients, chemicals, hormones, remove wastes

Question 14

the right side of the heart carries….

Answer 14

deoxygenated

Question 15

the right side of the heart empties into

Answer 15

the right atrium

Question 16

the IVC, SVC, and coronary sinus all carry, and end where?

Answer 16

deox
r atrium

Question 17

the main pulmonary artery comes off the ____ side

Answer 17

right side

Question 18

the left side carries…

Answer 18

oxygenated blood

Question 19

the aorta is found on the _side

Answer 19

left side of the heart

Question 20

what is the route of systemic circulation?

Answer 20

arteries
veins

Question 21

what is the route of pulmonary circulation?

Answer 21

heart
main pulmonary artery
R/L pulmonary arteries
lungs
now oxy:
R/L pulmonary veins
heart

Question 22

what is coronary circulation?

Answer 22

the blood that feeds the heart

Question 23

what are coronary sulci?

Answer 23

grooves on heart surface where coronary veins and arteries run

Question 24

what are the 4 main sulci?

Answer 24

R/L atrioventricular grooves
A/P interventricular sulus

Question 25

coronary arteries are...

Answer 25

the first openings on the aorta - right and left

Question 26

what are ostiums?

Answer 26

openings from the aorta to the coronary arteries

Question 27

how many branches does the left coronary artery have?

Answer 27

- 2 - left anterior - circumflex artery

Question 28

what is the left anterior left coronary arteries job?

Answer 28

supply the septum and anterior LV and apex with blood - in the anterior interventricular sulus

Question 29

what is the job of the circumflexed artery?

Answer 29

supply LA and leteral LV left antrioevntricular groove

Question 30

left anterior decending artery is in which sulcus?

Answer 30

anterior interventricular

Question 31

the posterior decending artery is in wich sulcus?

Answer 31

posterior interventricular sulcus

Question 32

the circumfelx artery is in which sulcus?

Answer 32

left atrioventricular

Question 33

the right coronary artery is in which sulcus?

Answer 33

right atrioventricular

Question 34

the right coronary artery supplies the..

Answer 34

right ventricle

Question 35

what coronary artery has the most dominance?

Answer 35

right - 70% left - 10% co-dom - 20%

Question 36

most cardiac veins drain into...

Answer 36

the coronary sinus

Question 37

where are oxygen levels the highest?

Answer 37

aorta, LV, LA -98%

Question 38

where are 0xygen levels the lowest?

Answer 38

coronary sinus - 60%

Question 39

what is the o2 conc in the right side of the heart and pulmonary artery

Answer 39

75%

Question 40

what are the 3 pathways that are taken in fetal circulation?

Answer 40

ductus venous foramen ovale ductus arteriosus

Question 41

blood always flows from...

Answer 41

high to low pressure

Question 42

which chambers have higher pressures?

Answer 42

left sided will always be higher

Question 43

artery pressure will always be...

Answer 43

higher

Question 44

what is the pressure in the Left Atrium?

Answer 44

10mmHg

Question 45

what is the pressure in the Left ventricle? s and d

Answer 45

systolic - 120 mmHg diastolic - 10mmHg

Question 46

what is the pressure in the right ventricle? s and d

Answer 46

s- 25mmHg d- 3mmHg

Question 47

what is the pressure in the right atrium?

Answer 47

3mmHg

Question 48

what is the pressure in the aorta? s and d

Answer 48

s- 120mmHg d- 70 mmHg

Question 49

what is the pressure in the pulmonary artery? s and d

Answer 49

s- 25mmHg d- 10 mmHg