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NURSING EXAMINATIONMCQ Questions on Blood: Components and Functions

MCQ Questions on Blood: Components and Functions

MCQ Questions on Blood: Components and Functions

Frequently Asked MCQ quiz on the Blood: Components and Functions Questions with Answers – MCQ Quiz for Competitive Exam Preparation – These questions given will be useful for competitive exams preparation. We will be updating more mcq regularly, please follow our website regularly.

What is the primary function of red blood cells (erythrocytes)?

a) Immune defense

b) Blood clotting

c) Oxygen transport

d) Antibody production

Answer: c) Oxygen transport

Which component of blood is responsible for carrying oxygen from the lungs to the body tissues?

a) Red blood cells

b) White blood cells

c) Platelets

d) Plasma

Answer: a) Red blood cells

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What is the primary function of white blood cells (leukocytes)?

a) Oxygen transport

b) Immune defense

c) Clotting

d) Hormone transport

Answer: b) Immune defense

Which type of white blood cell is primarily responsible for phagocytosis and engulfing pathogens?

a) Lymphocytes

b) Neutrophils

c) Eosinophils

d) Basophils

Answer: b) Neutrophils

What is the function of platelets (thrombocytes) in blood?

a) Oxygen transport

b) Immune defense

c) Blood clotting

d) pH regulation

Answer: c) Blood clotting

Which blood component is primarily involved in the formation of blood clots?

a) Red blood cells

b) White blood cells

c) Platelets

d) Plasma

Answer: c) Platelets

What is the liquid component of blood?

a) Red blood cells

b) White blood cells

c) Platelets

d) Plasma

Answer: d) Plasma

What percentage of blood volume does plasma constitute?

a) Approximately 20%

b) Approximately 30%

c) Approximately 40%

d) Approximately 50%

Answer: c) Approximately 40%

Which of the following is not a component of plasma?

a) Water

b) Electrolytes

c) Hormones

d) Red blood cells

Answer: d) Red blood cells

Which component of plasma plays a vital role in maintaining blood pressure and volume?

a) Water

b) Electrolytes

c) Proteins

d) Hormones

Answer: a) Water

Which plasma protein is primarily responsible for maintaining osmotic pressure and preventing fluid leakage from blood vessels?

a) Albumin

b) Globulins

c) Fibrinogen

d) Hemoglobin

Answer: a) Albumin

What is the function of fibrinogen in blood plasma?

a) Transport of lipids

b) Clot formation

c) Immune response

d) pH regulation

Answer: b) Clot formation

Which component of plasma plays a crucial role in immune defense by producing antibodies?

a) Albumin

b) Globulins

c) Fibrinogen

d) Hemoglobin

Answer: b) Globulins

What is the primary function of hemoglobin in red blood cells?

a) Blood clotting

b) Immune defense

c) Oxygen transport

d) Hormone production

Answer: c) Oxygen transport

How many types of white blood cells are there in the human body?

a) Two

b) Three

c) Five

d) Seven

Answer: c) Five

Which type of white blood cell is responsible for producing antibodies?

a) Lymphocytes

b) Neutrophils

c) Eosinophils

d) Basophils

Answer: a) Lymphocytes

What is the primary function of neutrophils?

a) Phagocytosis

b) Production of antibodies

c) Allergic reactions

d) Blood clotting

Answer: a) Phagocytosis

Which type of white blood cell increases in response to parasitic infections and allergic reactions?

a) Lymphocytes

b) Neutrophils

c) Eosinophils

d) Basophils

Answer: c) Eosinophils

What is the function of basophils in the immune system?

a) Phagocytosis

b) Production of antibodies

c) Release of histamine

d) Destruction of tumor cells

Answer: c) Release of histamine

Which white blood cells are involved in the formation of pus during infections?

a) Lymphocytes

b) Neutrophils

c) Eosinophils

d) Basophils

Answer: b) Neutrophils

What is the function of monocytes in the immune system?

a) Phagocytosis

b) Production of antibodies

c) Release of histamine

d) Destruction of tumor cells

Answer: a) Phagocytosis

Which plasma component is primarily responsible for blood clotting?

a) Albumin

b) Globulins

c) Fibrinogen

d) Hemoglobin

Answer: c) Fibrinogen

Which blood component is involved in transporting nutrients, waste products, hormones, and gases throughout the body?

a) Red blood cells

b) White blood cells

c) Platelets

d) Plasma

Answer: d) Plasma

Which type of white blood cell secretes chemicals to promote inflammation and attract other immune cells to the site of infection?

a) Lymphocytes

b) Neutrophils

c) Eosinophils

d) Basophils

Answer: b) Neutrophils

What is the primary function of platelets in blood?

a) Oxygen transport

b) Immune defense

c) Blood clotting

d) Hormone production

Answer: c) Blood clotting

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