HCT AND RBC INDICES- HEMA LAB

Question 1

Instrument used to determine packed cell volume (PCV)

Answer 1

Hematocrit

Question 2

Commonly used synonymously with PCV to denote the percentage of erythrocytes in a known volume of whole blood

Answer 2

Hematocrit

Question 3

Used in determining erythrocyte indices, calculating blood volume and determining whether patient has anemia or not

Answer 3

hematocrit

Question 4

hematocrit reflects the concentration of total red cell mass T/F

Answer 4

false. It reflects the concentration of red cells and not the red cell mass

Question 5

percentage of Liter per liter

Answer 5

0.36 L/L

Question 6

What is the purpose of doing hematocrit

Answer 6

Blood is made up of rebc, wbc, plasma and platelets.

Decrease in num or size of rbc also decreases space they occupy resulting in low hematocrit

Increase in num or size of rbc increases space and results in high hematocrit

Question 7

Microcytic

Answer 7

decrease in hct

Question 8

vit b 12 deficiency

Answer 8

increase hct

Question 9

Measurement of __ is the most accurate and simplest of all tests in detecting the presence of anemia and polycythemia

Answer 9

Hematocrit or PCV packed cell volume

Question 10

hct is normal but rbc is bigger

Falsely increase/ decrease?

Answer 10

Falsely increase

Question 11

Hct is normal but rbc smaller

Falsely increase or decrease?

Answer 11

Falsely decrease

Question 12

Types of hematocrit

Answer 12

BODY HEMATOCRIT
VENOUS HEMATOCRIT

Question 13

Value of total rbc volume to