Cardiovascular System

Question 1

Who discovered the circulatory system

Answer 1

William Harvey

Question 2

What does the circulatory system consist of

Answer 2

Heart blood and blood vessels

Question 3

What is the study of heart called

Answer 3

Cardiology

Question 4

What is the study of blood called

Answer 4

Angiology

Question 5

What is the study of blood vessels is called

Answer 5

Haematology

Question 6

How many chambers do fish hearts have

Answer 6

2

1 auricle and 1 ventricle

Question 7

How many chambers do amphibians heart have

Answer 7

3

2 auricles and 1 ventricle

Question 8

How many chambers do reptile hearts have?

Answer 8

4 (incomplete)

Question 9

What are the upper and lower chambers of human heart is called

Answer 9

Upper chambers Auricles or atrium lower chamber ventricles

Question 10

The war between right auricle and right ventricle is called

Answer 10

Tricuspid valve

Question 11

The value between left Auricle and left ventricle is called

Answer 11

Bicuspid valve

Question 12

The wall between right and left part of atrium is called

Answer 12

Interauricular septum

Question 13

The wall between left and right part of ventricles is called

Answer 13

Interventricular septum

Question 14

Which artery leaves the right ventricle

Answer 14

Pulmonary artery

Question 15

Which artery leaves the left ventricle

Answer 15

Aorta

Question 16

Name the four valves in human heart

Answer 16

Tricuspid
Bicuspid
Pulmonary
Aortic

Question 17

Which valve in the human heart are semilunar in shape

Answer 17

Pulmonary and aortic

Question 18

What is the membrane surrounding the heart called

Answer 18

Pericardial membrane

Question 19

Pericardial membrane is filled with what fluid

Answer 19

Pericardial fluid

Question 20

What protects the heart from external shocks

Answer 20

The pericardial membrane filled with pericardial fluid

Question 21

The contraction of heart is called

Answer 21

Systole 

Question 22

The relaxation of heart is called

Answer 22

Diastole

Question 23

What is the full name of SA node 

Answer 23

sino auriclurar/atriatic

Question 24

Function of SA node

Answer 24

Generates impulses which leads to contraction of heart

Question 25

What is a pacemaker

Answer 25

SA node is referred to as a pace maker | Also heart of heart

Question 26

What happens if SA node is not working properly

Answer 26

Heart failure

Question 27

Where is AV node found?

Answer 27

Junction of atrium and ventricle

Question 28

Full form of AV node?

Answer 28

Atrio Ventricular node

Question 29

Define heart rate

Answer 29

Number of contraction and relaxation in one minute of heart is called heart rate

Question 30

The average heart rate of an infant baby

Answer 30

160 per minute

Question 31

What is the condition of increased heart rate called

Answer 31

Tachycardia

Question 32

Condition of a decreased heart rate is called

Answer 32

Bradycardia

Question 33

Duration of a cardiac cycle

Answer 33

0.8 sec | 60/72=0.8

Question 34

What is a stroke volume

Answer 34

The amount of blood pumped by left ventricle in a single stroke

Question 35

What is cardiac output

Answer 35

The amount of blood pumped by left ventricle in one minute

Question 36

Formula for cardiac output

Answer 36

Stroke volume X heart rate Eg 70 ml X 72= 5040 or 5.04 litres blood per minute

Question 37

What is the cause of a heart attack

Answer 37

If there is a blockage in coronary artery it disturbs the supply of blood to cardiac muscles which suddenly stop working and leads to heart-attack

Question 38

What does an electro cardiogram measures

Answer 38

The electrical activity of heart are the potential difference across cardiac muscle

Question 39

What produces the first heart sound of lubb?

Answer 39

Simultaneous closing of bicuspid and tricuspid valves

Question 40

What produces the second heartbeat sound dubb

Answer 40

The simultaneous closing of semilunar valves that is pulmonary and aortic

Question 41

When and by whom was the first successful cardiac transplant was performed

Answer 41

In 1967 by Dr Christian Bernard

Question 42

When and by whom was the first cardiac transplant in India was done

Answer 42

1994 third August Venugopal

Question 43

What do we mean by a Myogenic heart

Answer 43

The human heart is a Myogenic heart as it is managed by its own muscles this special muscle is SA node

Question 44

Artery versus Veins carrying blood to and from?

Answer 44

Artery blood from heart to organs | Veins blood from organs to heart

Question 45

What is the exception of arteries carry oxygenated blood

Answer 45

Pulmonary artery

Question 46

What is the exception to veins carry Deoxygenated blood

Answer 46

Pulmonary vein

Question 47

Difference between arteries and veins based on walls and lumen

Answer 47

Arteries thick walls and narrow lumen veins thin walls and broad lumens

Question 48

In what valves are present arteries or veins

Answer 48

Valves are present in arteries

Question 49

Define BP

Answer 49

During the flow of blood the force applied on the walls of arteries is called BP

Question 50

With what is a BP measured

Answer 50

Sphygmomanometer 

Question 51

What is systolic pressure?

Answer 51

Upper limit | Contraction of heart

Question 52

What is diastolic pressure?

Answer 52

Lower limit | Relaxation of heart

Question 53

Circulation chart of blood in human heart?

Answer 53

RA->RV->PA->lungs->PV->LA->LV->aorta->body->RA///

Question 54

Largest artery of body

Answer 54

Abdominal aorta

Question 55

Largest vein of body?

Answer 55

Inferior vena cava