Hematologic System

Question 1

What is the primary function of red blood cells?

Answer 1

To transport oxygen from the lungs to the rest of the body.

Question 2

True or False: White blood cells are primarily responsible for clotting.

Answer 2

False

Question 3

What is the liquid component of blood called?

Answer 3

Plasma

Question 4

Fill in the blank: Hemoglobin is a protein that carries _______ in red blood cells.

Answer 4

oxygen

Question 5

What is the normal range of hemoglobin for adult males?

Answer 5

14 to 18 g/dL
grams per deciliter.

Question 6

Which type of white blood cell is primarily involved in allergic reactions?

Answer 6

Basophils

Question 7

What is thrombocytopenia?

Answer 7

A condition characterized by low platelet count.

Question 8

True or False: Platelets are also known as thrombocytes.

Answer 8

True

Question 9

What is the function of the spleen in the hematologic system?

Answer 9

To filter blood and remove old or damaged blood cells.

Question 10

What is the role of bone marrow in the hematologic system?

Answer 10

To produce blood cells.

Question 11

What is the medical term for the process of blood cell production?

Answer 11

Hematopoiesis

Question 12

Which vitamin is essential for proper blood clotting?

Answer 12

Vitamin K

Question 13

Fill in the blank: The main type of white blood cell involved in fighting infections is _______.

Answer 13

Neutrophils

Question 14

What is anemia?

Answer 14

A condition where there is a deficiency of red blood cells or hemoglobin.

Question 15

True or False: Iron is necessary for the production of hemoglobin.

Answer 15

True

Question 16

What is the function of neutrophils?

Answer 16

To engulf and destroy pathogens.

Question 17

Which blood type is known as the universal donor?

Answer 17

Type O

Question 18

What is the primary component of plasma?

Answer 18

Water

Question 19

Fill in the blank: Hemolysis is the breakdown of _______.

Answer 19

red blood cells

Question 20

What is a common symptom of thrombocytopenia?

Answer 20

Easy bruising

Question 21

What does a complete blood count (CBC) measure?

Answer 21

The amounts and sizes of your red blood cells, hemoglobin, white blood cells and platelets.

Question 22

True or False: Lymphocytes are a type of red blood cell.

Answer 22

False

Question 23

What is hemophilia?

Answer 23

A genetic disorder that impairs the body’s ability to make blood clots.

Question 24

Fill in the blank: The main function of plasma proteins is to maintain _______ pressure.

Answer 24

osmotic

Question 25

Which condition is characterized by high levels of white blood cells?

Answer 25

Leukemia

Question 26

What is the role of macrophages in the hematologic system?

Answer 26

To phagocytize (engulf) pathogens and dead cells.

Question 27

True or False: Blood transfusions can only be performed with matching blood types.

Answer 27

True

Question 28

What is the primary role of B cells?

Answer 28

To produce antibodies.

Question 29

What does the term 'coagulation' refer to?

Answer 29

The process of blood clotting.

Question 30

Fill in the blank: The antigen present on type A blood is _______.

Answer 30

A

Question 31

What is polycythemia?

Answer 31

An increase in the number of red blood cells in the bloodstream.

Question 32

Which hormone stimulates the production of red blood cells?

Answer 32

Erythropoietin

Question 33

True or False: Sickle cell is a form of anemia.

Answer 33

True

Question 34

What is the function of fibrin in the clotting process?

Answer 34

To form a mesh that stabilizes the blood clot.

Question 35

What is the primary site of blood cell production in adults?

Answer 35

Bone marrow

Question 36

Fill in the blank: The normal range of white blood cells is _______ to _______ cells per microliter of blood.

Answer 36

5,000 to 9,000

Question 37

What is the main function of T cells?

Answer 37

To kill infected host cells and activate other immune cells.

Question 38

What is thrombosis?

Answer 38

The formation of a blood clot inside a blood vessel.

Question 39

True or False: Hemoglobin can carry carbon dioxide as well as oxygen.

Answer 39

True

Question 40

What is the primary cause of iron-deficiency anemia?

Answer 40

Insufficient iron intake or absorption.

Question 41

Fill in the blank: The main type of leukocyte involved in allergic responses is _______.

Answer 41

basophils

Question 42

What is the purpose of a blood smear?

Answer 42

To examine blood cells under a microscope for abnormalities.

Question 43

What is the function of the lymphatic system in relation to the hematologic system?

Answer 43

To transport lymph, which contains white blood cells, and to return excess interstitial fluid to the bloodstream.

Question 44

True or False: Hematocrit is the percentage of blood volume that is made up of red blood cells.

Answer 44

True

Question 45

What does the term 'leukopenia' refer to?

Answer 45

A decrease in the number of white blood cells.

Question 46

Fill in the blank: The most abundant type of plasma protein is _______.

Answer 46

albumin

Question 47

What is the role of interleukins?

Answer 47

To mediate communication between white blood cells.

Question 48

What is a common treatment for anemia?

Answer 48

Iron supplements

Question 49

True or False: Blood type AB has both A and B antigens.

Answer 49

True

Question 50

What is the primary function of the kidneys in relation to the hematologic system?

Answer 50

To produce erythropoietin, which stimulates red blood cell production.

Question 51

Fill in the blank: The presence of _______ in the blood indicates an infection.

Answer 51

white blood cells

Question 52

What is the main function of plasma in the blood?

Answer 52

To transport nutrients, hormones, and waste products.

Question 53

True or False: All blood types can receive blood from any other type.

Answer 53

False

Question 54

What is the term for the process of blood cell formation in the fetus?

Answer 54

Extramedullary hematopoiesis

Question 55

What are the two main types of leukocytes?

Answer 55

Granulocytes and agranulocytes.

Question 56

Fill in the blank: The _______ is responsible for filtering blood and recycling iron from red blood cells.

Answer 56

spleen

Question 57

What is the function of serum?

Answer 57

To provide nutrients and hormones to the body, and to carry waste products.

Question 58

True or False: Blood can be classified as either arterial or venous.

Answer 58

True