Heart

Question 1

What does blood transport?

Answer 1

• Nutrents
• Waste
• Oxygen
• Carbon dioxide
• Hormones

Question 2

What is the pulmonary circuit?

Answer 2

Right side of the heart

Question 3

What is the systemic circuit?

Answer 3

Left side of the heart

Question 4

What are the 2 types of vessels?

Answer 4

• Arteries
• Veins

Question 5

What is the role of Arteries?

Answer 5

They take blood Away from the heart

Question 6

What is the role of Veins?

Answer 6

Bring blood to the heart

Question 7

What is an arteriole?

Answer 7

Small artery

Question 8

What is a venule?

Answer 8

Small vein

Question 9

What part of the heart is this?

Answer 9

Question 10

What part of the heart is this?

Answer 10

Question 11

What part of the heart is this?

Answer 11

Question 12

What part of the heart is this?

Answer 12

Question 13

Why does the right region of the heart face forward?

Answer 13

Cardiac folding in embryo

Question 14

What is the protective sheath that encapsulates the heart?

Answer 14

The pericardium

Question 15

How many chambers does the heart have?

Answer 15

4

Question 16

What are the 4 chambers of the heart?

Answer 16

• L/R Atrium
• L/R Ventricle

Question 17

What part of the heart is responsible for pulmonary circulation?

Answer 17

Right

Question 18

What type of blood does the right atrium recieve?

Answer 18

Deoxygenated

Question 19

What does the right ventricle do?

Answer 19

Pumps deoxygenated blood to the lungs

Question 20

What part of the heart is responsible for systemic circulation?

Answer 20

Left

Question 21

What type of blood does the left atrium recieve?

Answer 21

oxygenated

Question 22

What does the left ventricle do?

Answer 22

Pumps oxygenated blood to the body

Question 23

How are the deoxygenated and oxygenated blood kept seperate and unidirectional?

Answer 23

1. Muscular wall
2. Heart valves - no backflow allowed

Question 24

Where does the heart get its oxygen supply from?

Answer 24

Coronary sinus, which is in the right atrium

Question 25

Which ventricle is stronger?

Answer 25

Left Pumps blood to whole body whilst right is only to lungs

Question 26

What does the left atrium take in?

Answer 26

* 4 valve-less pulmonary veins

Question 27

What 2 orifices exist within the left ventricle?

Answer 27

* Left atrioventricular posteriorly * Aortic superiorly

Question 28

What is the role of the atrioventricular valves?

Answer 28

* Seperate atria and ventricles

Question 28

What 2 valves make up the atrioventricular valves?

Answer 28

1. Bicuspid mital valve 2. Tricuspid valve

Question 29

What is the difference between the mitral valve and tricuspid?

Answer 29

Mitral has 2 cusps, tricuspid has 3 cusps

Question 30

What are chordae tendineae and their role?

Answer 30

* Thin fibres from free edge of the cusps * They prevent cusps from turning inside out during contractions

Question 31

What are papilliary muscles?

Answer 31

* Connection to chordae tendineae * provides tension to keep cusps closed during contraction

Question 32

What are the 2 semilunar valves?

Answer 32

* Pulmonary valve * Aortic valve

Question 33

What happens when the atrioventricular valves relax?

Answer 33

* They allow blood to enter

Question 34

What are the 2 main parts of the pericardium?

Answer 34

* Outer fibrous * Inner serous

Question 35

What is the role of pericardial fluid?

Answer 35

* Lubricate heart and remove friction

Question 36

Answer 36

pulmonary artery

Question 37

Answer 37

Anterior vena cava

Question 38

Answer 38

**Right atrium**

Question 39

Answer 39

Pulmonary veins

Question 40

Answer 40

Semilunar valve

Question 41

Answer 41

Atrioventricular valve

Question 42

Answer 42

Posterior vena cava

Question 43

Answer 43

**Right ventricle**

Question 44

Answer 44

**Left ventricle**

Question 45

Answer 45

Atrioventricular valve

Question 46

Answer 46

Semilunar valve

Question 47

Answer 47

Pulmonary veins

Question 48

Answer 48

**Left atrium**

Question 49

Answer 49

Pulmonary artery

Question 50

Answer 50

Aorta

Question 51

Answer 51

Pulmonary valve

Question 52

Answer 52

Aortic Valve

Question 53

Answer 53

Tricuspid valve

Question 54

Answer 54

bicuspid mitral valve

Question 55

Answer 55

mitral (biscuspid)

Question 56

Answer 56

aortic

Question 57

Answer 57

tricuspid

Question 58

Answer 58

pulmonary valve

Question 59

Answer 59

braciocephalic trunk

Question 60

Answer 60

right subclavian artery

Question 61

Answer 61

right common corotid

Question 62

Answer 62

left carotid

Question 63

Answer 63

left subclavian artery