Lecture 1: Heart Intro

Question 1

Systemic circuit

Answer 1

Blood to all organs (also different parts of lungs and heart wall)

Question 2

Pulmonary Circut Route

Answer 2

Gets blood that ciruclated through body and gave up Oxygen
Blood comes in with CO2into pulmonary trunk–> R&L pulmonary arteries blood to air sacs and lungs
in lungs give up CO2 and get oxygen
Pulmonary veins to left heart

Question 3

Systemic Circuit Route

Answer 3

Left vent to Aorta
blood leaves Aorta Aortic arch–> head neck, upper limbs
all body once deoxygenated, goes to right heart by superior and inferior vena cava (veins)

Question 4

Aorta

Answer 4

Largest artery in the body

Question 5

left ventricle

Answer 5

source of force
blood from here goes to aorta then rest of body
More muscles
ends blood out via aorta

Question 6

venous blood

Answer 6

deoxygenated blood

Question 7

Systemic Veins and arteries

Answer 7

Veins carry venous

Arteries carry atrial

Question 8

Pulmonary Veins and arteries

Answer 8

Veins carry atrialArteries carry venous

Question 9

6 major systems for blood

Answer 9

brain
skin
heart
kidneys
muscles 
GI system

Question 10

Right Ventricle

Answer 10

sends blood to pulmonary circulation

Sends blood out via pulmonary trunk

Question 11

Left atrium

Answer 11

blood leaving pulmonary circut (aterial) goes here

Question 12

Right side

Answer 12

3 vessels, tricuspid valve

Question 13

Left Side

Answer 13

4 pulmonary veins, bicuspid valve

Question 14

Cardiac Output

Answer 14

amount of blood pumped/unit time
L/min
Equal for both sides

Question 15

Resting CO

Answer 15

5 L/min (almost all of the blood)

Question 16

Maximum CO

Answer 16

30 L/min

Question 17

The atria

Answer 17

recieve the blood first

Question 18

Semilunar Valves

Answer 18

between LV and aorta and RV and pulmonary trunk

Question 19

Atrioventricular Valves

Answer 19

between atria and ventricles
no backflow
flaps with chrodae tendinae       
Prevent prolapse (leakage back into atria)
attach to heart walls
papillary muscles anchor cusps

Question 20

Left AV valve

Answer 20

bicuspid/mitral

seperate left atrium and left vent

Question 21

Right AV valve

Answer 21

tricuspid

separate right atrium and ventricle

Question 22

Semilunar Valves

Answer 22

valves open/close in response to pressure diffs
aortic pressure is highest of arteries
pressure in ventricle must be greater for aortic valve to open

Question 23

Right Semilunar Valve

Answer 23

Pulmonary semilunar valve

separate right ventricle from main pulmonary trunk

Question 24

Left Semilunar

Answer 24

Aortic Semilunar

Separate left ventricle from aorta

Question 25

Coronary Circulation

Answer 25

blood supply to heart

Question 26

Collateral Routes for CC

Answer 26

anastomoses make sure heart get bloods even if major vessles are blocked multiple routes/branching

Question 27

Supply for heart tissue comes from

Answer 27

Right and Left Coronary arteries | both originate on ascending aorta

Question 28

Waste from CC is picked up...

Answer 28

from capillary vessels. It is then sent out through veins

Question 29

Right Coronary Artery

Answer 29

supplies SA node, AV node, right atrium, interventricular septum, right and left ventricles Marginal Branch Posterior Interventricular branch

Question 30

Left Coronary Artery

Answer 30

supplies SA node, part of left artery, interventrical septum, ventricles circumflex branch anterior interventricular branch

Question 31

Marginal Branch

Answer 31

right coronary artery | supplies anterior parts of right ventricle

Question 32

Posterior Interventricular branch

Answer 32

Right Coronary artery supplies posterior parts of both ventricles

Question 33

circumflex branch

Answer 33

left coronary artery supplies left atrium and posterior left ventricle

Question 34

anterior interventricular branch

Answer 34

left coronary artery | supplies anterior parts of both ventricles

Question 35

Great Cardiac Venin

Answer 35

Coronary Circulation | drains anterior heart

Question 36

Middle Cardiac Vein

Answer 36

Coronary Circulation | drains posterior heart

Question 37

Coronary Sinus

Answer 37

Coronary Circulation very large drains middle cardiac and great cardiac veins drains INTO right atrium

Question 38

Pulmonary circuit

Answer 38

Blood to lungs, gas exchange, back to heart

Question 39

arteries

Answer 39

carry blood away from heart

Question 40

Veins

Answer 40

carry blood to heart

Question 41

capillaries

Answer 41

exchange waste, nutrients, and gasses with intestinal fluids?