Hematology

Question 1

Scientific study of blood and its components

Answer 1

Hematology

Question 2

Produced in the bone marrow by stem cells

Answer 2

White blood cells and Red blood cells

Question 3

Consist of hemoglobin, the gas transporting protein molecule that gives its red color

Answer 3

Red blood cells

Question 4

defend the body against infection

Answer 4

White blood cells

Question 5

Conditions associated: anemia and polycythemia

Answer 5

Red blood cells

Question 6

kills parasites and activate allergic response

Answer 6

eosinophils

Question 7

most numerous and protects the body from infection by killing and ingesting bacteria, fungi, etc.

Answer 7

neutrophils

Question 8

involved in allergic response

Answer 8

basophils

Question 9

composed of T cells, B cells, and NK cells; responsible for adaptive immunity

Answer 9

Lymphocytes

Question 10

ingest bacteria, foreign bodies; commonly increased in convalescent phase or chronic phase of infection

Answer 10

Monocytes

Question 11

A high WBC count may be seen in the ff:

• Viral infection
• Congenital disorders characterized by diminished bone marrow function
• Cancer
• Autoimmune diseases
• Drugs
• Hypersplenism
• Parasitic infection
• Vitamin deficiencies

True or False

Answer 11

False (Low)

Question 12

A high WBC count is caused by one of the following reasons:

• Infection
• Allergy
• Reaction to a drug
• Disease of bone marrow
• Immune system disorder that increases wbc production - Severe emotional or physical stress
• Strenuous exercise

True or False

Answer 12

True

Question 13

adhere to the walls of the blood vessels to plug

ruptures, thereby preventing the release of blood

Answer 13

Platelets

Question 14

Release chemical that cause clots to form in the blood

Answer 14

Platelets

Question 15

A low platelet count may be a result of:

• Conditions in which platelets are consumed/ used up
• Short life span
• dengue

True or False

Answer 15

True

Question 16

A high Platelet count is usually a result of an existing condition such as:

• Cancer
• Chronic kidney failure
• Anemia (IDA or HA)
• Inflammatory conditions
• Infectious disease
• Dengue
• Splenectomy
• Use of birth control pills
• Vitamin B12 or Folate deficiency

True or False

Answer 16

False (dengue results in low count of platelet)

Question 17

It involved in secondary hemostasis; used to stabilized clots

Answer 17

Clotting factors

Question 18

Types of Clotting factors:

Fibrinogen (Factor I)
Prothrombin (Factor II) Thromboplastin (Factor III)
Calcium (Factor IV)
Proaccelerin or Labile Factor (Factor V)
 Stable Factor (Factor VII) Christmas Factor (Factor VIII)  Antihemophilic Factor(Factor IX)
Stuart - Power Factor (Factor X)
Plasma Thrombin antecedent (Factor XI) 
Hegman Factor (Factor XII)
Fibrin Stabilizing Factor (Factor XIII).

True or False

Answer 18

False [Antihemophilic Factor (Factor VIII) Christmas Factor (Factor IX)]

Question 19

Laboratory analysis includes:

Mean corpuscular hemoglobin (MCH), RBC count, CT/BT, Erythrocyte sedimentation rate

True or False

Answer 19

True

Question 20

Reticulocyte count is the same with WBC differential count and RBC count

True or False

Answer 20

False (no)

Question 21

_______ tube used to evaluate bleeding tendencies

Answer 21

Sodium citrate

Question 22

commonly used tube in hematological analysis; inverted 8x.

Answer 22

EDTA (Ethylenediametetraacetic acid)

Question 23

production of blood

Answer 23

hematopoiesis

Question 24

production of RBC

Answer 24

erythropoiesis

Question 25

abnormal wbc count may indicate?

Answer 25

leukemia

Question 26

elevated hematocrit %

Answer 26

polycythemia