Cardiovascular MCQ's

Question 1

The right atrium, right ventricle and part of the left ventricle are supplied by what coronary artery

Answer 1

Right coronary artery

Question 2

Which blood vessel carries oxygenated blood?

Answer 2

Pulmonary Vein

Question 3

Deoxygenated blood is received into the what?

Answer 3

Right Atrium

Question 4

The heart wall has 3 layer, What is the inner layer called?

Answer 4

Endocardium

Question 5

How long does ventricular systole last for?

Answer 5

0.3 sec

Question 6

The coronary sinus returns venous blood to what chamber?

Answer 6

Right Atrium

Question 7

Erythrocytes live for how long?

Answer 7

120 days

Question 8

Bronchospams are a side effect of what cardiac drug?

Answer 8

Asprin

Question 9

What is the most common cause of an ischaemic stroke?

Answer 9

Atrial fibrillation

Question 10

A pt presenting with crushing chest pain is more than likely suffering from what?

Answer 10

An MI

Question 11

Which part of the ECG represents contraction of the ventricles?

Answer 11

ST segment

Question 12

The max dose of GTN given to a pt with pulmonary oedema is what?

Answer 12

1600 mcg

Question 13

Cushing triad consists of what signs and symptoms?

Answer 13

Bradycardia, Hypertension, Irregular respirations

Question 14

A pt with ST elevation in leads L1, V5, V6 will most likely be having an MI in which section of the heart?

Answer 14

Lateral

Question 15

In an application of a 12 lead ECG, where is lead VI placed?

Answer 15

4th intercostal space, to the right of the sternum

Question 16

The left bronchus enters the lung at a sharper angle than the right bronchus. Why is this?

Answer 16

The heart is in the way

Question 17

The lungs are supplied with blood from where?

Answer 17

The left ventricle

Question 18

What is the correct route of GTN?

Answer 18

Sublingual

Question 19

ST elevation is leads ii, iii, avf indicates what?

Answer 19

An inferior MI

Question 20

Standard ECG paper travels at what speed?

Answer 20

25mm/sec

Question 21

What heart valve is located between the left atrium and ventricle?

Answer 21

The mitral valve

Question 22

What does aspirin do?

Answer 22

A platelet aggregator, it stops the clots sticking together

Question 23

What is the most common rhythm in paediatric cardiac arrest?

Answer 23

Asystole

Question 24

What is the most common rhythm in sudden cardiac arrest in adults?

Answer 24

Ventricular fibrillation

Question 25

The smallest square on the ECG paper represents how many seconds?

Answer 25

0.04 seconds

Question 26

Parasympathetic stimulation of the heart results in what?

Answer 26

Decreased heart rate and slower AV conduction

Question 27

What is the natural pacemaker of the heart?

Answer 27

SA node

Question 28

The impulse delay produced by the AV node allows the atria to do what?

Answer 28

Contract before the ventricles

Question 29

When do the coronary arteries fill with blood?

Answer 29

Ventricular diastole

Question 30

What are the two semilunar vales called?

Answer 30

Pulmonary and aortic valves

Question 31

Passive stretching exerted by blood on the ventricular muscle at the end of the diastole is referred to as what?

Answer 31

Preload

Question 32

Where is the tricuspid valve located?

Answer 32

Between the right atrium and ventricle

Question 33

What does the p wave represent?

Answer 33

Atrial depolarisation

Question 34

What is the normal duration of the QRS complex?

Answer 34

0.04 - 0.12 seconds