An ECG (Electrocardiogram) Quiz

22 Questions | By Rs1492 | Updated: Mar 21, 2022 | Attempts: 2852

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ECG Prep Quiz Test 1

Questions and Answers

1.

Heart sounds are produced by the closing of:
- A.
  
  Right atrium
- B.
  
  Left atrium
- C.
  
  Valves
- D.
  
  Arteries
2.

Heart Sound S1 is best heard at the:
- A.
  
  Second intercostal place
- B.
  
  Third intercostal place
- C.
  
  Left fifth intercostal space and left midclavicular line (at the apex)
3.

The middle layer of the heart is called:
- A.
  
  Pericardium
- B.
  
  Myocardium
- C.
  
  Myometrium
- D.
  
  Endocardium
4.

The valve which is located between the left atrium and the left ventricle is the:
- A.
  
  Mitral valve
- B.
  
  Aortic valve
- C.
  
  Tricuspid valve
- D.
  
  Pulmonary valve
5.

State true or false: cardiac output = ejection fraction * heart rate
- A.
  
  True
- B.
  
  False
6.

The buildup of excess fluid or excess blood in the pericardial space is known as:
- A.
  
  Pericarditis
- B.
  
  Cardiac tamponade
- C.
  
  Heart failure
7.

The major intracellular ion is:
- A.
  
  Sodium
- B.
  
  Potassium
- C.
  
  Magnesium
- D.
  
  Calcium
8.

The major extra cellular ion is:
- A.
  
  Sodium
- B.
  
  Potassium
- C.
  
  Magnesium
- D.
  
  Calcium
9.

The blood vessel that caries oxygenated blood away from the heart is:
- A.
  
  Capillary
- B.
  
  Venule
- C.
  
  Vein
- D.
  
  Artery
10.

The largest artery that carries blood to all the parts of the body from the left side of the heart is called:
- A.
  
  Vena cava
- B.
  
  Aorta
- C.
  
  Carotid artery
- D.
  
  Mesenteric artery
11.

Blood from the pulmonary vein returns to the:
- A.
  
  Lungs
- B.
  
  Left atrium
- C.
  
  Superior vena cava
- D.
  
  Brian
12.

The blood from the heart travels to the lungs to pick up oxygen through the:
- A.
  
  Pulmonary arteries
- B.
  
  Pulmonary veins
- C.
  
  Subclavian arteries
- D.
  
  Cardiac arteries
13.

The two upper chambers of the heart are called:
- A.
  
  Ventricles
- B.
  
  Atria
- C.
  
  Peritoneal cavity
- D.
  
  Aorta
14.

The cardiac output is the amount of blood pumped into the aorta each minute by the heart.
- A.
  
  True
- B.
  
  False
15.

A double walled sac that encloses heart and helps protect it from trauma and infections is:
- A.
  
  Endocardium
- B.
  
  Myocardium
- C.
  
  Epicardium
- D.
  
  Pericardium
16.

Superior and Inferior vena cava are:
- A.
  
  The largest arteries of the body
- B.
  
  The largest lymphatic of the blood
- C.
  
  The largest nerves in the body
- D.
  
  The largest veins of the body
17.

Aorta is the continuation of:
- A.
  
  Right atria
- B.
  
  Left atria
- C.
  
  Left ventricle
- D.
  
  Right ventricle
18.

Normal heart rate in adults is:
- A.
  
  30 – 60 bpm
- B.
  
  60 – 100 bpm
- C.
  
  100 – 120 bpm
- D.
  
  120 -180 bpm
19.

Diastole is the period of relaxation during which the chambers are allowed to fill:
- A.
  
  True
- B.
  
  False
20.

The heart rate is decreased to 40 bpm and stroke volume remains to 70 ml / beat. What is the cardiac output and whether the cardiac output is the same, increased or decreased?
- A.
  
  3400ml / min cardiac output is decreased
- B.
  
  2800 ml / min cardiac output is decreased
- C.
  
  4800ml / min cardiac output remains the same
- D.
  
  11400 ml / min cardiac output is increased
21.

The terminal ends of the bundle branches which is located in the ventricular endocardium and has intrinsic rate of 20 – 40 beats per second:
- A.
  
  SA mode
- B.
  
  Bundle of His
- C.
  
  Purkinjee fibres
- D.
  
  AV mode
22.

What is the duration of time delay in the AV mode:
- A.
  
  0.12 – 20 seconds
- B.
  
  0.10 - 0.18 seconds
- C.
  
  0.06 – 0.10 seconds
- D.
  
  0.04 – 0.10 seconds