Cardiovascular System or Circulatory System Nursing Quiz Questions

1.In what temperature the whole blood is stored in the blood bank?

a) 4 degree Celsius
b) 6 degree Celsius
c) 2 degree Celsius
d) 8 degree Celsius
Correct answer!

2. How does the white blood cells are counting in laboratories?

a) Non-automated method
b) Automated method
c) Both option A and B
d) None of these
Correct answer!

3. When does the rate of hemolysis of red blood cells are increased?

a) The osmotic fragility is increased
b) The osmotic fragility is decreased
c) The osmotic fragility is constant
d) None of these

Correct answer!

4. Which layer of the heart is formed by cardiac muscle fibers and cardiac myocytes?

a) Myocardium
b) Pericardium
c) Both the option A & B
d) Epicardium and septum
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5. How does blood pressure is related to blood volume?

a) Inversely proportional to blood volume
b) Directly proportional to blood volume
c) Both option A & B
d) Unrelated
Correct answer!

6. What is responsible for the viscosity of the blood?

a) The composition of plasma
b) The total number of cells in the blood
c) The resistance of the cells to deformation and temperature
d) All of the above
Correct answer!

7. How does the mean arterial pressure(MAP) help in our body?

a) Helps in the forward movement of blood in the lumen of blood vessels
b) Helps in the backward movement of blood in the lumen of blood vessels
c) Both option A & B
d) Helps to prevent portal hypertension
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8. How much the monocytes constitute in total leukocytes?

a) 4 to 10 %
b) 8 to 12 %
c) 2 to 8 %
d) 12 to 24 %
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9. Select the correct one-
The red cells transport----?

a) Carbon dioxide from tissues to the lungs
b) Oxygen from tissues to the lungs
c) Both option A & B
d) None of these
Correct answer!

10. What is formed by carbon dioxide combined with hemoglobin?

a) Carbaminohemoglobin
b) Methemoglobin
c) Carboxyhemoglobin
d) Sulfhemoglobin
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11. In which of the following have unidirectional valves that prevent the blood from flowing backward?

a) arteries
b) veins
c) capillaries
d) all of the above
Correct answer!

12. Which is the innermost tissue layer of arteries?

a) smooth muscle
b) Purkinje fibers
c) connective tissue
d) elastic fibers
e) endothelium
Correct answer!

13. Which of the following statements about circulatory systems is true?

a) Hormones are transported in the blood
b) All invertebrates have an open circulatory system
c) Capillaries have thicker walls than veins do
d) The systemic circulation carries blood to and from the lungs
Correct answer!

14. What is the liquid part of blood after the fibrinogen is removed?

a) plasma
b) lymph
c) serum
d) puss
Correct answer!

15. Which tissue layer is common to all blood vessels?

a) circular smooth muscle
b) endothelium
c) longitudinal striated muscle
d) connective tissue
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16. When will the Atria begin to contract?

a) just before diastole
b) during diastole
c) right after the systole
d) during the systole
Correct answer!

17. From which primitive part the sinoatrial node is derived?

a) bundle of His
b) conus arteriosus
c) tricuspid valve
d) sinus venosus
Correct answer!

18. How does the water that diffuses out of the blood plasma is returned to the cardiovascular system?

a) hepatic vein
b) aorta
c) lymphatic system
d) megakaryocytes
Correct answer!

19. How much amount of cardiac output goes heart muscles in each minute?

a) 5%
b) 10 %
c) 25%
d) 20%
Correct answer!

20. What is the reason for vein possesses a large lumen?

a) tunica media and tunica externa form a single coat
b) tunica interna and tunica media form a single coat
c) tunica media is a thin coat
d) tunica interna, tunica media and tunica externa are thin
Correct answer!