Blood MCQs

These MCQs on Blood cover essential aspects of blood, including its components (such as red blood cells, white blood cells, and platelets), functions, and disorders.

By engaging with these questions, you can enhance your understanding of blood physiology and its significance for overall health.

Ready to delve into the fascinating world of blood? Start answering the MCQs below!

Table of Contents

MCQ on Blood

MCQ# 1: Your red blood cells are also called?

erythrocytes
leukocytes
Thrombocytes
None of these

Correct Answer

erythrocytes

MCQ# 2: Your red blood cells, which are also called erythrocytes, have the important responsibility of?

Helping blood to clot
carrying oxygen throughout your body
Killing invading germs
All of these

Correct Answer

carrying oxygen throughout your body

MCQ# 3: Hemoglobin, the iron-containing molecule that harnesses oxygen, exists in the _____ .

platelets
white blood cells
red blood cells
None of these

Correct Answer

red blood cells

Blood is a specialized bodily fluid that circulates through the vascular system, transporting oxygen, nutrients, hormones, and waste products. It plays a crucial role in maintaining homeostasis and supporting various bodily functions.

MCQ# 4: _____ , the iron-containing molecule that harnesses oxygen, exists in the red blood cells.

Valine
protease
chlorophyll
Hemoglobin

Correct Answer

Hemoglobin

MCQ# 5: hemoglobin, the _____ -containing molecule that harnesses oxygen, exists in the red blood cells.

Cobalt
nickel
iron
arsenic

Correct Answer

iron

MCQ# 6: hemoglobin, the iron-containing molecule that harnesses _____ , exists in the red blood cells.

Ammonia
oxygen
Chlorine
neon

Correct Answer

oxygen

MCQ# 7: Phenomena that explains how your body tries to constantly achieve and maintain balance is called?

Homeostasis
metastasis
mitosis
meiosis

Correct Answer

Homeostasis

MCQ# 8: _____ is a disease characterized by too few red blood cells or a hemoglobin deficiency

Hemophillia
Thalassemia
syphillis
anemia

Correct Answer

anemia

MCQ# 9: Red blood cells are created in the _____ bone marrow

yellow
red
Brown
green

Correct Answer

red

MCQ# 10: Red bloood cells live about _____

6 to 8 months
1 year
1 week
120 days

Correct Answer

120 days

MCQ# 11: Your white blood cells are also called _____ ?

erythrocytes
leukocytes
Thrombocytes
None of these

Correct Answer

leukocytes

MCQ# 12: Function of white blood cells is?

Helping blood to clot
carrying oxygen throughout your body
Killing invading germs
All of these

Correct Answer

Killing invading germs

MCQ# 13: _____ release histamines

Basophils
Lymphocytes
Eosinophils
Monocytes

Correct Answer

Basophils

MCQ# 14: _____ help defend the body against invading organisms, particularly parasitic worms

Basophils
Lymphocytes
Eosinophils
Monocytes

Correct Answer

Eosinophils

MCQ# 15: _____ are key players in your adaptive immune response, the response your body makes to defend you against invading microbes

Basophils
Lymphocytes
Eosinophils
Monocytes

Correct Answer

Lymphocytes

MCQ# 16: Functions of lymphocytes include _____ ?

to destroy virally infected cells
to make defensive proteins called antibodies
Both of these
None of these

Correct Answer

Both of these

MCQ# 17: _____ are precursors to macrophages

Basophils
Lymphocytes
Eosinophils
Monocytes

Correct Answer

Monocytes

MCQ# 18: _____ digest bacteria and viruses

Macrophages
Basophils
Red blood cells
platelets

Correct Answer

Macrophages

MCQ# 19: _____ are the most abundant white blood cells in the body

Lymphocytes
Neutrophils
Eosinophils
Monocytes

Correct Answer

Neutrophils

MCQ# 20: Platelets are also called?

erythrocytes
leukocytes
Thrombocytes
None of these

Correct Answer

Thrombocytes

MCQ# 21: Function of platelets is?

Helping blood to clot
carrying oxygen throughout your body
Killing invading germs
All of these

Correct Answer

Helping blood to clot

MCQ# 22: platelets survive in the blood for about _____

1 year
5 to 7 months
1 week
ten days

Correct Answer

ten days

Plasma MCQs

MCQ# 23: The liquid portion of your blood is?

Plasma
White blood cell
Platelets
Red blood cell

Correct Answer

Plasma

MCQ# 24: Which protein is involved in blood clotting?

Fabrinogen
Collagen
Keratin
All of these

Correct Answer

Fabrinogen

MCQ# 25: Our body has _____ clotting factors

5
32
12
29

Correct Answer

12

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