Blood

Question 1

What are the main components of blood?

Answer 1

The main components of blood are red blood cells, white blood cells, platelets, and plasma.

Question 2

What is the primary function of red blood cells?

Answer 2

The primary function of red blood cells is to transport oxygen from the lungs to the body’s tissues and carbon dioxide from the tissues back to the lungs.

Question 3

True or False: Sickle cell anemia is a genetic disorder affecting red blood cells.

Answer 3

True

Question 4

What is the shape of normal red blood cells?

Answer 4

Normal red blood cells are biconcave discs.

Question 5

What is the effect of sickle cell anemia on red blood cells?

Answer 5

Sickle cell anemia causes red blood cells to become rigid and shaped like a crescent or sickle, leading to blockages in blood vessels.

Question 6

Fill in the blank: White blood cells are primarily responsible for __________.

Answer 6

immune response

Question 7

What is the function of platelets?

Answer 7

The function of platelets is to aid in blood clotting.

Question 8

Which type of blood cell is involved in fighting infections?

Answer 8

White blood cells.

Question 9

What is plasma?

Answer 9

Plasma is the liquid component of blood that carries cells, nutrients, hormones, and waste products.

Question 10

Multiple Choice: Which blood component is responsible for oxygen transport? A) Plasma B) Platelets C) Red blood cells D) White blood cells

Answer 10

C) Red blood cells

Question 11

What are the two main types of white blood cells?

Answer 11

The two main types of white blood cells are lymphocytes and phagocytes.

Question 12

True or False: Red blood cells contain a nucleus.

Answer 12

False

Question 13

What condition results from a deficiency of red blood cells?

Answer 13

Anemia.

Question 14

Fill in the blank: The lifespan of a red blood cell is approximately __________ days.

Answer 14

120

Question 15

What role do lymphocytes play in the immune system?

Answer 15

Lymphocytes are responsible for the adaptive immune response, including the production of antibodies.

Question 16

Multiple Choice: Which blood component is primarily involved in the clotting process? A) Red blood cells B) White blood cells C) Plasma D) Platelets

Answer 16

D) Platelets

Question 17

What is the primary consequence of sickle cell anemia?

Answer 17

The primary consequence is reduced oxygen delivery to tissues and potential pain crises due to blood vessel blockage.

Question 18

True or False: All white blood cells are the same.

Answer 18

False

Question 19

What is the primary function of neutrophils?

Answer 19

Neutrophils are primarily responsible for engulfing and destroying pathogens.

Question 20

Fill in the blank: Hemoglobin is the protein in red blood cells that binds to __________.

Answer 20

oxygen

Question 21

What is the role of monocytes in the immune response?

Answer 21

Monocytes differentiate into macrophages and dendritic cells to help eliminate pathogens.

Question 22

Multiple Choice: Which of the following can lead to sickle cell anemia? A) Vitamin deficiency B) Genetic mutation C) Bacterial infection D) Iron overload

Answer 22

B) Genetic mutation

Question 23

What is the function of eosinophils?

Answer 23

Eosinophils are involved in combating multicellular parasites and allergic reactions.

Question 24

True or False: Blood is classified as a connective tissue.

Answer 24

True

Question 25

What is a common symptom of sickle cell anemia?

Answer 25

Pain episodes, particularly in the chest, abdomen, and joints.

Question 26

Fill in the blank: The average adult has about __________ liters of blood.

Answer 26

5 to 6

Question 27

What is the primary function of basophils?

Answer 27

Basophils play a role in inflammatory responses and allergic reactions by releasing histamine.

Question 28

Multiple Choice: Which component of blood helps transport nutrients? A) Red blood cells B) Plasma C) White blood cells D) Platelets

Answer 28

B) Plasma

Question 29

What is the role of T-cells in the immune system?

Answer 29

T-cells help regulate immune responses and directly attack infected cells.

Question 30

True or False: An individual with sickle cell trait will always have sickle cell anemia.

Answer 30

False