Human Anatomy Questions and Answers – Angiology – Blood

This set of Human Anatomy Multiple Choice Questions & Answers (MCQs) focuses on “Angiology – Blood”.

1. The blood corpuscles are of _________ kinds.
a) 5
b) 4
c) 2
d) 3
View Answer

Answer: d
Explanation: The blood corpuscles are of 3 types. They are colored corpuscles- erythrocytes, Colorless corpuscles – Leucocytes and blood platelets.

2. Blood is stained with _________ stain.
a) Methylene blue
b) Safranin
c) Leishman stain
d) Carbol fuchsine
View Answer

Answer: c
Explanation: Leishman stain is used in microscopy for staining blood smears. It is generally used to differentiate and identify leucocytes malaria parasites and trypanosomas.

3. Process of formation of blood corpuscles is called _____________
a) Haemolysis
b) Haemozoin
c) Haemopoesis
d) Haemoter
View Answer

Answer: c
Explanation: The Process of formation of blood corpuscles is called Haemopoesis. It occurs in the bone marrow.

4. Graveyard of RBC is ________
a) Spleen
b) Liver
c) Kidney
d) Thymus
View Answer

Answer: a
Explanation: Old red blood cells are recycled in the spleen. Platelets and white blood cells are stored there. Spleen also helps fight certain kinds of bacteria that cause pneumonia and meningitis.

5. Which leucocytes release heparin and histamine in blood?
a) Neutrophil
b) Basophil
c) Eosinophil
d) Monocytes
View Answer

Answer: b
Explanation: Basophil contains heparin which is an anticoagulant. It is a type of white blood cell.
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6. Which blood cells secrets antibody?
a) Eosinophils
b) Monocytes
c) Lymphocytes
d) Neutrophils
View Answer

Answer: c
Explanation: A Lymphocyte is a type of white blood cell that is a part of the immune system. There are 2 main types of Lymphocyte: B cells and T cells. The B cells produce antibodies that are used to attack invading bacteria, viruses and toxins.

7. Vitamin essential for blood clotting is _____________
a) Vitamin K
b) Vitamin A
c) Vitamin B
d) Vitamin C
View Answer

Answer: a
Explanation: Vitamin K is used by the body to help blood clot. Warfarin is used to slow blood clotting. By helping the blood clot vitamin k might decrease the effectiveness of warfarin.

8. Hemoglobin is a ___________
a) Reproductive pigment
b) Respiratory pigment
c) Carbohydrate
d) Fat
View Answer

Answer: b
Explanation: Hemoglobin is a protein in RBC that carries oxygen throughout the body. Lower Hemoglobin counts indicate anemia.

9. Absence of which clotting factor leads to Hemophilia-A?
a) Factor VII
b) Factor VIII
c) Factor IX
d) Factor X
View Answer

Answer: b
Explanation: Hemophilia-A is also called factor VIII deficiency or classic hemophilia. It is a genetic disorder caused by missing or defective factor VIII a clotting protein.

10. What prevents the clotting of blood inside blood vessels?
a) Heparin
b) Serotonin
c) Fibrinogen
d) Fibrin
View Answer

Answer: a
Explanation: Heparin is an anticoagulant that prevents the formation of blood clots. It is used to treat blood clots in veins arteries or lung.

11. Red cell count is carried out by _________
a) Electrogram
b) Sphygmomanometer
c) Haemoglobinometer
d) Haemocytometer
View Answer

Answer: d
Explanation: Haemocytometer is a device designed and used for counting blood cells. It was invented by Louis Charles Malassez.

12. Blood is five times more viscous than distilled water.
a) True
b) False
View Answer

Answer: a
Explanation: When hematocrit raised to 60% or 70% the blood viscosity can become as great as 5 to 6 times that of water and it flows through blood vessels is greatly retarded because of increased resistance to flow.

Sanfoundry Global Education & Learning Series – Human Anatomy and Physiology.

To practice all areas of Human Anatomy and Physiology, here is complete set of 1000+ Multiple Choice Questions and Answers.

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Manish Bhojasia, a technology veteran with 20+ years @ Cisco & Wipro, is Founder and CTO at Sanfoundry. He lives in Bangalore, and focuses on development of Linux Kernel, SAN Technologies, Advanced C, Data Structures & Alogrithms. Stay connected with him at LinkedIn.

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