Test 1 - Module 2

Question 1

Why make coverslip smears?

Answer 1

Better distribution of cells

Less cell damage

Question 2

Romanowski Stain

Answer 2

Diff Quick Stain
Stains all parts of cell
Used for morphology

Question 3

New Methylene Blue Stain

Answer 3

Supra Vital Stain
Stains nucleus
Used for retic count only

Question 4

Why do we look at blood smears?

Answer 4

• Morphology
• Differential - machines are bad at it, made for normal blood
• Platelet Estimate

Question 5

MCV Formula

Answer 5

PCV x 10 / RBC = ___ FL

Question 6

What does MCV measure?

Answer 6

Size of cells

Question 7

What is increased MCV called, and what does it indicate?

Answer 7

Macrocytic - Regenerative Anemia (IMHA, parasites, blood loss)

Question 8

What is decreased MCV called, and what does it indicate?

Answer 8

Microcytic - Non-regenerative Anemia (Iron deficiency, kidney disease)

Question 9

MCH Formula

Answer 9

Hgb x 10 / RBC = ___ PG

Question 10

MCHC Formula

Answer 10

Hbg x 100 / PCV = ___ g/dl

Question 11

What does MCH measure?

Answer 11

Weight of cells

Question 12

What does MCHC measure?

Answer 12

Concentration of Hgb

Question 13

What does increased MCH/MCHC indicate?

Answer 13

Heinz Bodies (denatured hemoglobin)

Question 14

What does decreased MCH/MCHC indicate?

Answer 14

Hypochromic Anemia (ex. iron deficiency)