HEMA QUIZ 2

Question 1

What is the most common fixative used in preparing blood smears?

A. Grain alcohol
B. Rubbing alcohol
C. Drinking alcohol
D. Wood alcohol

Answer 1

D. Wood alcohol

Question 2

Films stained well with Wright’s stain have a ____color when viewed with the naked eye or macroscopically

A. Pink
B. Black
C. Blue
D. Red

Answer 2

A. Pink

Question 3

Which of the following condition is attributed to a grainy appearance blood film?

A. Hyperlipidemia
B. Cold hemagglutinin disease
C. Multiple myeloma
D. Malarial infection

Answer 3

B. Cold hemagglutinin disease

Question 4

Which of the following drying technique should be avoided that might lead to the presence of drying artifacts?

A. Blow breath
B. Air dry
C. Small fan
D. hair blower

Answer 4

A. Blow breath

Question 5

Which of the following inclusion can be demonstrated using crystal violet?

A. Howell Jolly
B. Heinz bodies
C. Basophilic stippling
D. Pappenheimer bodies

Answer 5

B. Heinz bodies

Question 6

The presence of many cells (more than 4x than normal) in the feathered area compared to the monolayer area of a blood smear is known as:

A. Slide effect
B. Snow plow
C. Snow show
D. Stacking phenomenon

Answer 6

B. Snow plow

Question 7

Approximately how many platelets per oil immersion field should be observed?

A. 5-10
B. 8-20
C.15-20
D. 8-10

Answer 7

B. 8-20

Question 8

Approximately how many RBCs per oil immersion field should be observed?

A. 100-200
B. 200-250
C. 250-300
D. 50-100

Answer 8

B. 200-250

Question 9

An ideal microenvironment for the developing hematopoietic stem cells should allow which of the following?

I. Self-renewal
II. Proliferation
III. Maturation
IV. Apoptosis

A. 1,2,3,4
B. 1,2,3
C. 2 and 3
D. 2,3,4

Answer 9

A. 1,2,3,4

Question 10

NK cells and Dendritic cells originate at what lineage?

A. CMP
B. CLP
C. Both of these

Answer 10

B. CLP

Question 11

Which of the following cell does not belong to the CMP lineage?

A. Plasma cell
B. Myeloblast
C. Megakaryocyte
D. Reticulocyte

Answer 11

A. Plasma cell

Question 12

In hematopoiesis, which of the following is not considered as progenitor?

A. CFU-Meg
B. Pro-B cells
C. Rubriblast
D. CLP

Answer 12

C. Rubriblast

Question 13

Which of the following is not an embryogenic hemoglobin?

A. Gower I
B. Gower II
C. Portland II
D. Portland

Answer 13

C. Portland II

Question 14

Formation of primitive erythroblast takes place at what hematopoietic stage?

A. Medullary
B. Mesoblastic
C. HEPATIC
D. MYELOID

Answer 14

B. Mesoblastic

Question 15

What hematopoietic stage occurs during the 3rd trimester of pregnancy?

MEDULLARY
MESOBLASTIC
HEPATIC
YOLK SAC

Answer 15

MEDULLARY

Question 16

What is the predominant hemoglobin in fetus and newborn?

A. HB A
B. HB A2
C. HB F
D. HB S

Answer 16

C. HB F

Question 17

Definitive hematopoiesis takes place and what stage/s?

A. Medullary and hepatic
B. Mesoblastic only
C. Mesoblastic, medullary, and myeloid
D. Mesoblastic and hepatic

Answer 17

A. Medullary and hepatic

Question 18

Yolk sac stage of hematopoiesis takes place during ____ day of gestation

A. 15th
B. 19th
C. 29th
D. 9th

Answer 18

B. 19th

Question 19

Which of the following is true regarding to the bone marrow of children and infants?

A. All the bones contain red marrow during infancy and early childhood
B. All the bones contain yellow marrow during infancy and early childhood
C. There is an equal amount of red marrow and yellow marrow during infancy and early childhood
D. NOTA

Answer 19

A. All the bones contain red marrow during infancy and early childhood

Question 20

What is the primary site of adult hematopoiesis?

A. Bone marrow
B. Spleen
C. Liver
D. Lymph nodes

Answer 20

A. Bone marrow

Question 21

What is the secondary site of adult hematopoiesis?

A. Tonsils
B. Ribs
C. Bone marrow
D. Liver

Answer 21

D. Liver

Question 22

It pertains to the ratio of red marrow to yellow marrow:

A. M:E ratio
B. Marrow cellularity
C. Retrogression
D. AOTA

Answer 22

B. Marrow cellularity

Question 23

The process of replacing the active marrow by adipocytes or yellow marrow

A. M:E ratio
B. Marrow cellularity
C. Retrogression
D. NOTA

Answer 23

C. Retrogression

Question 24

What is the normal M:E ratio?

A. 3:1
B. 1:3
C. 1:1
D. 5:1

Answer 24

A. 3:1

Question 25

An increased marrow cellularity that is defined as presence of more than 70% HSCs red marrow

A. Aplastic
B. Hypoplasia
C. Hyperplasia
D. Normal

Answer 25

C. Hyperplasia

Question 26

What is the most commonly used site for collecting bone marrow specimens?

A. Sternum
B. Posterior iliac crest
C. Upper end tibial bone
D. Skull

Answer 26

B. Posterior iliac crest

Question 27

The largest cell in the bone marrow may resemble as what type of cell?

A. Plasma cell
B. Osteoclast
C. Osteoblast
D. Metamyelocyte

Answer 27

B. Osteoclast

Question 28

The normal process of removing mature RBCs in the spleen is known as:

A. Pitting
B. Culling
C. Extravascular hemolysis
D. Biting

Answer 28

B. Culling

Question 29

A person with splenomegaly might have a ___ platelet count

A. Lower
B. Higher
C. Normal

Answer 29

A. Lower

because all of the platelets are stored in the spleen, it is not circulated.

Question 30

Which of the following parameters are usually performed on a blood smear using OIL IMMERSION OBJECTIVE?
I. Platelet estimation
II.WBC estimation
III. Checking of fibrin strands

1,2,3
2, and 3
1 and 3
1 and 2

Answer 30

1 and 2