Circulatory System Quiz 225 (20 MCQs)

Quiz Instructions

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1. Agglutination occurs when blood type antibodies come into contact with blood type antigens to which they correspond. What is agglutination?

Correct Answer: B) Red blood cells are clumped together and become non-functional.

2. The flow of the blood from the heart to the lungs and back to the heart.

Correct Answer: C) Pulmonary circulation.

3. Heart beats at the rate of ..... times / min

Correct Answer: B) 72.

4. Tendons connect muscle to bone.

Correct Answer: A) True.

5. An abnormal heart sound caused by improper valve closure.

Correct Answer: D) Murmur.

6. The main parts of the circulatory system are:

Correct Answer: C) Heart, arteries, veins, capillaries.

7. Singular or Plural Subjects:The cat (a) their food from the bowl.

Correct Answer: B) A eats.

8. What are the top chambers of the heart called?

Correct Answer: A) Atria (Singular; atrium).

9. What type of blood vessels normally carry de-oxygenated blood back to the heart from body cells?

Correct Answer: B) Veins.

10. The circulatory system is made up of what components?

Correct Answer: A) Heart and vascular system.

11. Blood that has circulated from the body's tissues will enter the heart chambers first in the .....

Correct Answer: A) Right atrium.

12. Heart is a .....

Correct Answer: A) Muscle.

13. Muscles are working in your body even when you are asleep and still.

Correct Answer: A) True.

14. The right side of the heart pumps blood to the

Correct Answer: C) Lungs.

15. These are little fragments of cell. it helps blood vessel when it gets damaged, helps the blood clot and seal the wound.

Correct Answer: D) Platelets.

16. What are the small blood vessels that transport oxygen and nutrients

Correct Answer: B) Capillaries.

17. It is the largest artery in humans.

Correct Answer: C) Aorta.

18. An irregular sound sometimes caused by a valve within the heart is called a .....

Correct Answer: C) Murmur.

19. Components of blood can be separated by using .....

Correct Answer: C) Centrifugal method.

20. A waxy substance that occurs naturally.

Correct Answer: B) Cholesterol.