Cardiovascular System

70 Questions | By AmbulanceCPD | Last updated: Nov 4, 2015

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Questions and Answers

1.

The circulatory system is divided into?
- A.
  
  2 systems
- B.
  
  1 systems
- C.
  
  3 systems
- D.
  
  4 systems
2.

The circulatory system is a open system?
- A.
  
  True
- B.
  
  False
3.

The circulatory system is closely linked with the?
- A.
  
  Respiratory system
- B.
  
  Digestive system
- C.
  
  Nervous system
- D.
  
  Skeletal system
- E.
  
  Urinary system
- F.
  
  Endocrine system
- G.
  
  Reproductive system
4.

The circulatory system is made up of?
- A.
  
  The heart
- B.
  
  Blood vessels
- C.
  
  Blood
- D.
  
  Arterioles
- E.
  
  Capillaries
- F.
  
  Veins
- G.
  
  Venules
5.

In adults the heart is the size of the owner's open hand?
- A.
  
  True
- B.
  
  False
6.

The walls of the heart are composed of three layers. Which one is the inner layer?
- A.
  
  Endocardium
- B.
  
  Myocardium
- C.
  
  Pericardium
7.

The walls of the heart are composed of three layers. Which one is the middle layer?
- A.
  
  Myocardium
- B.
  
  Endocardium
- C.
  
  Pericardium
8.

The walls of the heart are composed of three layers. Which one is the outer layer?
- A.
  
  Myocardium
- B.
  
  Endocardium
- C.
  
  Pericardium
9.

The walls of the heart are composed of three layers. Which one is the outer layer?
- A.
  
  Myocardium
- B.
  
  Endocardium
- C.
  
  Pericardium
10.

The myocardium is at its thickest around the?
- A.
  
  Left ventricle
- B.
  
  Right ventricle
- C.
  
  Left atrium
- D.
  
  Right atrium
11.

The heart has how many chambers?
- A.
  
  4
- B.
  
  1
- C.
  
  2
- D.
  
  3
12.

The two chambers at the top of the heart are called?
- A.
  
  Atria
- B.
  
  Ventricles
13.

The left and right side of the heart are divided by a partition called the septum?
- A.
  
  True
- B.
  
  False
14.

The atria and ventricles are separated by the?
- A.
  
  Atrioventricular valve
- B.
  
  Tricuspid valve
- C.
  
  Mitral valve
15.

The right atrioventricular valve is called?
- A.
  
  Tricuspid valve
- B.
  
  Mitral valve
16.

The left atrioventricular valve is called?
- A.
  
  Mitral valve
- B.
  
  Tricuspid valve
17.

The natural pace maker of the heart is the?
- A.
  
  SA node
- B.
  
  AV node
18.

The signal from the AV node first travels down?
- A.
  
  Bundle of his
- B.
  
  Left bundle
- C.
  
  Right bundle
- D.
  
  Bundle of her
- E.
  
  Purkinje fibres
19.

There are 5 types of blood vessels which ones are they?
- A.
  
  Arteries
- B.
  
  Arterioles
- C.
  
  Capillaries
- D.
  
  Venules
- E.
  
  Veins
- F.
  
  Heart
- G.
  
  Blood
20.

Which one carry blood away from the heart.
- A.
  
  Arteries
- B.
  
  Veins
21.

Which one carries blood to the heart?
- A.
  
  Veins
- B.
  
  Arteries
22.

Tachycardia is a heart rate over (?) per minute.
- A.
  
  100
- B.
  
  90
- C.
  
  80
- D.
  
  70
- E.
  
  60
- F.
  
  110
- G.
  
  150
23.

Bradycardia is a heart rate less than?
- A.
  
  60 per minute
- B.
  
  70 per minute
- C.
  
  80 per minute
- D.
  
  90 per minute
- E.
  
  100 per minute
24.

The coronary arteries returns de-oxygenated blood back to the?
- A.
  
  Right atrium
- B.
  
  Left atrium
25.

Which one of the following allows the interchange of gases and transfer of nutrients products?
- A.
  
  Capillaries
- B.
  
  Arteries
- C.
  
  Veins
- D.
  
  Arterioles
- E.
  
  Venules
26.

A normal pulse rate of a adult is between?
- A.
  
  60 to 100
- B.
  
  50 to 90
- C.
  
  100 to 150
- D.
  
  40 to 80
27.

When blood is forced into the aorta this is called?
- A.
  
  Systolic pressure
- B.
  
  Diastolic pressure
28.

A normal adult systolic BP is about?
- A.
  
  120mm Hg
- B.
  
  130mm Hg
- C.
  
  140mm Hg
- D.
  
  80mm Hg
29.

Normal adult diastolic pressure is?
- A.
  
  80mm Hg
- B.
  
  120mm Hg
- C.
  
  100mm Hg
- D.
  
  130mm Hg
30.

Pulse pressure is worked out by systolic - diastolic?
- A.
  
  True
- B.
  
  False
31.

Blood is composed of?
- A.
  
  55% liquid
- B.
  
  45% solids
- C.
  
  45% liquid
- D.
  
  50% liquid
- E.
  
  40% solids
- F.
  
  50% solids
32.

Blood consists of?
- A.
  
  Plasma
- B.
  
  Red cells
- C.
  
  White cells
- D.
  
  Platelets
- E.
  
  Water
33.

The average blood volume of an adult is?
- A.
  
  5 litres
- B.
  
  1 litre
- C.
  
  2 litres
- D.
  
  3 litres
- E.
  
  4 litres
- F.
  
  6 litres
34.

The pH of blood is?
- A.
  
  7.4
- B.
  
  6.9
- C.
  
  7.0
- D.
  
  7.1
- E.
  
  7.2
- F.
  
  7.3
35.

Which one fights infections?
- A.
  
  White cells
- B.
  
  Plasma
- C.
  
  Platelets
- D.
  
  Red cells
36.

The spleen weighs about?
- A.
  
  200g
- B.
  
  50g
- C.
  
  100g
- D.
  
  150g
- E.
  
  250g
37.

The function of the spleen is to?
- A.
  
  Create white blood cells
- B.
  
  Store red blood cells
- C.
  
  Destory old red blood cells
- D.
  
  Create red blood cells
- E.
  
  Store white blood cells
- F.
  
  Destory old white blood cells
38.

The lymphatic system works in conjunction with the?
- A.
  
  Circulatory system
- B.
  
  Respiratory system
- C.
  
  Digestive system
- D.
  
  Urinary system
- E.
  
  Nervous system
- F.
  
  Reproductive system
- G.
  
  Musculoskeletal system
39.

The heart weighs about?
- A.
  
  250 to 300g
- B.
  
  50 to 100g
- C.
  
  150 to 200g
- D.
  
  200 to 225g
40.

How many litres of blood can the heart pump around the body in a day?
- A.
  
  7000 to 9000
- B.
  
  3000 to 4000
- C.
  
  1000 to 2000
- D.
  
  3000 to 6000
41.

The fibrous sac surrounding the heart is called?
- A.
  
  Pericardium
- B.
  
  Endocardium
- C.
  
  Myocardium
42.

The right side of the heart works under higher pressure than the left?
- A.
  
  True
- B.
  
  False
43.

The left atrium fills passively with blood under the influence of venous pressure?
- A.
  
  True
- B.
  
  False
44.

The atria normally contact together at the same time?
- A.
  
  True
- B.
  
  False
45.

What percentage of blood flows from the atria to the ventricles passively via gravity?
- A.
  
  80%
- B.
  
  50%
- C.
  
  10%
- D.
  
  20%
- E.
  
  60%
46.

The left side of the heart works under high-pressure. The initial 's direction of the cardiac myocytes prior to contraction is known as preload?
- A.
  
  True
- B.
  
  False
47.

Cardiac output is the amount of blood that is pumped out by either ventricle?
- A.
  
  True
- B.
  
  False
48.

Normal cardiac output for an average adult is between?
- A.
  
  5 to 6 liters per minute
- B.
  
  1 to 2 liters per minute
- C.
  
  3 to 4 liters per minute
- D.
  
  4 to 5 liters per minute
49.

Stroke volume is the amount of blood pumped by either ventricle in a single contraction?
- A.
  
  True
- B.
  
  False
50.

Normal stroke volume is around?
- A.
  
  60 to 100 ml
- B.
  
  10 to 20 ml
- C.
  
  30 to 40 ml
- D.
  
  50 to 60 ml
51.

What percentage of blood leaves the heart via the left ventricle each time it contracts?
- A.
  
  55 to 70%
- B.
  
  100%
- C.
  
  90%
- D.
  
  80 to 90%
52.

Any cell with in the heart can act as a pacemaker?
- A.
  
  True
- B.
  
  False
53.

The sinoatrial node receives blood from the?
- A.
  
  RCA
- B.
  
  LCA
54.

Electrical impulses from the SA node spread across the internodal pathways including the Bachman bundle in about?
- A.
  
  0.08 seconds
- B.
  
  0.80 seconds
- C.
  
  0.12 seconds
- D.
  
  0.20 seconds
55.

How long does it take for electrical impulses to spread across the ventricles?
- A.
  
  0.08 seconds
- B.
  
  0.10 seconds
- C.
  
  0.12 seconds
- D.
  
  0.05 seconds
56.

If you see a pulse rate below 60 you should suspect injury to be SA node?
- A.
  
  True
- B.
  
  False
57.

If the SA node is damaged the AV junction will begin to fire at its own rate of?
- A.
  
  40 to 60 beats per minute
- B.
  
  60 to 100 beats per minute
- C.
  
  20 to 40 beats per minute
58.

If both the SA and AV node fail to fire the purkinje fibres will fire at a rate of?
- A.
  
  40 to 60 beats per minute
- B.
  
  60 to 100 beats per minute
- C.
  
  20 to 40 beats per minute
59.

The walls of the heart are composed of three layers. Which one is the A pointing to?
- A.
  
  Endocardium
- B.
  
  Myocardium
- C.
  
  Pericardium
60.

The walls of the heart are composed of three layers. Which one is the B pointing to?
- A.
  
  Endocardium
- B.
  
  Myocardium
- C.
  
  Pericardium
61.

The walls of the heart are composed of three layers. Which one is the C pointing to?
- A.
  
  Endocardium
- B.
  
  Myocardium
- C.
  
  Pericardium
62.

A is pointing to?
- A.
  
  Arteries
- B.
  
  Arterioles
- C.
  
  Capillaries
- D.
  
  Venules
- E.
  
  Veins
- F.
  
  Tissue cells
63.

B is pointing to?
- A.
  
  Arteries
- B.
  
  Arterioles
- C.
  
  Capillaries
- D.
  
  Venules
- E.
  
  Veins
- F.
  
  Tissue cells
64.

C is pointing to?
- A.
  
  Arteries
- B.
  
  Arterioles
- C.
  
  Capillaries
- D.
  
  Venules
- E.
  
  Veins
- F.
  
  Tissue cells
65.

D is pointing to?
- A.
  
  Arteries
- B.
  
  Arterioles
- C.
  
  Capillaries
- D.
  
  Venules
- E.
  
  Veins
- F.
  
  Tissue cells
66.

E is pointing to?
- A.
  
  Arteries
- B.
  
  Arterioles
- C.
  
  Capillaries
- D.
  
  Venules
- E.
  
  Veins
- F.
  
  Tissue cells
67.

F is pointing to?
- A.
  
  Arteries
- B.
  
  Arterioles
- C.
  
  Capillaries
- D.
  
  Venules
- E.
  
  Veins
- F.
  
  Tissue cells
68.

Electrical impulses from the SA node spread right to left atrium?
- A.
  
  True
- B.
  
  False
69.

Platelets have a life span of?
- A.
  
  5 to 9 days
- B.
  
  10 to 20 days
- C.
  
  1 to 3 days
- D.
  
  80 to 120 days
70.

Question from: Tortora Principles of Anatomy and Physiology 12 editionQ: Blood temperature is?
- A.
  
  38c
- B.
  
  100c
- C.
  
  36.9c
- D.
  
  35.4c

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