2S [LAB]: Reticulocyte

Question 1

The last immature RBC stage

Answer 1

Reticulocyte

Question 2

Normally, a reticulocyte spends how many days in the bone marrow?

Answer 2

1-2

Question 3

A reticulocyte spends how many days in the peripheral blood before developing into a mature RBC

Answer 3

1

Question 4

Anticoagulant of choice in reticulocyte count

Answer 4

EDTA

Question 5

The small network of basophilic materials in the reticulocytes

Answer 5

Reticulum

Question 6

Reticulocyte count is used as an index of ___ and ___

Answer 6

Bone marrow activity and RBC production

Question 7

Method of reticulocyte count:

Rapid method of Schilling

Answer 7

Wet method

Question 8

Method of reticulocyte count:

Osgood-Wilhelm and Sabin

Answer 8

Wet method

Question 9

Method of reticulocyte count:

New methylene blue

Answer 9

Dry method

Question 10

Method of reticulocyte count:

Cook

Answer 10

Dry method

Question 11

Method of reticulocyte count:

Meyer

Answer 11

Dry method

Question 12

Method of reticulocyte count:

Tureen

Answer 12

Dry method

Question 13

Method of reticulocyte count:

Seiverd

Answer 13

Dry method

Question 14

Ratio of blood to filtered stain in reticulocyte

Answer 14

1:1

Question 15

Incubation time in reticulocyte count after adding the stain

Answer 15

3-10 mins (ppt: 15-30 mins)

Question 16

Magnification used in reticulocyte count

Answer 16

OIO (1000x)

Question 17

T/F: Babies have a higher reticulocyte count than adults

Answer 17

True

Question 18

Reference range of reticulocyte count in adults

Answer 18

0.5-1.5%

Question 19

Reference range of reticulocyte count in children

Answer 19

2.0-6.0%

Question 20

Patients with a hematocrit of 35% should have an elevated corrected reticulocyte count of ___

Answer 20

2-3%

Question 21

Patients with a hematocrit of 25% should have an elevated corrected reticulocyte count of ___

Answer 21

3-5%

Question 22

Reference range of absolute reticulocyte count

Answer 22

20x10^9 to 115x10^9/ L

Question 23

An RPI of ___ indicates adequate BM response

Answer 23

3

Question 24

An RPI of ___ indicates inadequate BM response

Answer 24

2

Question 25

Hct of patient if the maturation time of reticulocyte is 1 day

Answer 25

40-45%

Question 26

Hct of patient if the maturation time of reticulocyte is 1.5 days

Answer 26

35-39%

Question 27

Hct of patient if the maturation time of reticulocyte is 2 days

Answer 27

25-34%

Question 28

Hct of patient if the maturation time of reticulocyte is 2.5 days

Answer 28

15-24%

Question 29

Hct of patient if the maturation time of reticulocyte is 3 days

Answer 29

<15%

Question 30

Remedy in reticulocyte count if the blood is anemic and polycythemic

Answer 30

Adjust blood and dye proportion

Question 31

Moisture and poor drying in reticulocyte count causes the formation of ___

Answer 31

Refractile bodies

Question 32

RBC inclusions confused with reticulocyte

Answer 32

Heinz bodies
Pappenheimer
Howell Jolly

Question 33

Using the Miller Disc in reticulocyte requires the use of ___ rule

Answer 33

Edge rule

Question 34

Precipitated hemoglobin that usually appear round or oval and tend to adhere to the cell membrane that is confused as reticulocyte

Answer 34

Heinz bodies

Question 35

Singular round nuclear fragments that is confused as reticulocyte

Answer 35

Howell-Jolly bodies

Question 36

Iron in the mitochondria whose presence can be confirmed with an iron stain that is confused as reticulocyte

Answer 36

Pappenheimer bodies

Question 37

When reticulocytes are released earlier to compensate for anemia

Answer 37

Shift reticulocyte

Question 38

In RPI determination, correction should be made if ___ is reported in the RBC morphology

Answer 38

Polychromasia

Question 39

Shifted reticulocytes stay how much longer in the peripheral blood circulation?

Answer 39

more than 1 day