Blood Smear (lab)

Question 0

Thin film/smear is used for diagnosing the

Answer 0

Anemia, leukemia, platelet disorder and abnormalities

Question 1

Observing blood cell morphology and anomalies as well as to identify malari species

Answer 1

Thin film/smear

Question 2

For rapid diagnosis of the presence of blood parasites like Malaria and Trypanosomes

Answer 2

Thick film/smear

Question 3

Inc the chances of detecting light parasitic infections and dec the time needed for reliable diagnosis

Answer 3

Thick film/smear

Question 4

Prelab activities

Answer 4

Prepare the necessary materials used
Be sure that laboratory is clean
Collected EDTA blood specimen

Question 5

Members of this group of stains:

Answer 5

Wright's stain
Leishman's stain
Giemsa's stain
Jenner-Giemsa stain
May-Grunwald stain

Question 6

Components of wright’s stain

Answer 6

Eosin and methylene blue

Question 7

Fixative of blood film of wright’s stain

Answer 7

Methyl alcohol

Question 8

Sete the desired pH for Wright’s stain

Answer 8

Phosphate buffer

Question 9

Recommended for blood and bone marrow of Wright’s stain

Answer 9

pH 6.8

Question 10

Recommended for malarial parasites for wright’s stain

Answer 10

pH 7.2

Question 11

Areas where the RBCs are not overlapping but are just touching each other.

Answer 11

Feathery edge

Question 12

pH of the PO4 buffer is too acidic in RBC

Answer 12

Bright red to red

Question 13

pH of the PO4 buffer is too acidic in WBCs nuclei

Answer 13

Pale blue to colorless

Question 14

pH of the PO4 buffer is too basic in RBCs

Answer 14

Deep blue

Question 15

pH of the PO4 buffer is too basic in WBC structures

Answer 15

Hardly discerned

Question 16

Well- stained smear for macroscopically

Answer 16

Evenly pink to purple

Question 17

Well- stained smear for RBC

Answer 17

Orange to salmon pink

Question 18

Well- stained smear for WBC

Answer 18

Purple to blue

Question 19

Well- stained smear for neutrophil

Answer 19

Violet or lilac

Question 20

Well- stained smear of granules in cytoplasm

Answer 20

Pink to tan

Question 21

Well- stained smear for Eosinophil

Answer 21

Bright orange or reddish orange granules