[MCQs] Differential Leukocyte Count and Other Procedures – Part 1 (25 test)

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1. A CRITICAL EXAMINATION OF A STAINED BLOOD SMEAR INCLUDES THE DIFFERENTIAL COUNT THAT QUANTITATES THE THREE TYPES OF:

1. THROMBOCYTES.
2. GRANULOCYTES.
3. LYMPOCYTES.
4. LEUkOCYTES.

2. WHICH AREA OF THE BLOOD SMEAR IS USED FOR THE DIFFERENTIAL LEUkOCYTE COUNT?

1. THIN END.
2. THICk END.
3. INNER PORTION.
4. PERIPHERAL AREA.

3. THE OBJECTIVE LENS IS USED TO PERFORM THE DIFFERENTIAL LEUkOCYTE

1. 10X (LOW POWER).
2. 43X (HIGH POWER).
3. 97X (OIL IMMERSION).

4. WHEN NUCLEATED ERYTHROCYTES ARE LOCATED ON A BLOOD SMEAR, THEY ARE REPORTED BY THE

1. NUMBER PER 100 LEUkOCYTES.
2. NUMBER PER 100 ERYTHROCYTES.
3. PERCENTAGE OF ALL LEUkOCYTES.
4. PERCENTAGE OF ALL ERYTHROCYTES.

5. WHAT IS THE NORMAL AVERAGE NUMBER OF THROMBOCYTES COUNTED PER OIL IMMERSION FIELD WHEN PERFORMING A QUALITATIVE PLATELET EVALUATION OF A BLOOD SMEAR?

1. 0-2.
2. 4-6.
3. 6-8
4. 8-10.

6. WHICH TEST IS INDICATED WHEN THE AMOUNT OF THROMBOCYTES APPEAR TO BE DECREASING SIGNIFICANTLY ON AN OIL IMMERSION FIELD BLOOD SMEAR?

1. ROSETTES.
2. ALkALI DENATURATION.
3. CLOT RETRACTION.
4. PH ACID.

7. WHICH WHITE BLOOD CELLS ARE COUNTED AS PART OF THE 100 IN A DIFFERENTIAL LEUkOCYTE COUNT AND REPORTED IN A SEPARATE CATEGORY IN PERCENT?

1. IMMATURE LEUkOCYTE.
2. RUPTURED LEUkOCYTE.
3. FRAGMENTED LEUkOCYTE.
4. DEGENERATED LEUkOCYTE.

8. A CELL WITH A NUCLEAR MASS TWICE AS GREAT AS THE CYTOPLASMIC MASS WOULD HAVE AN N:C RATIO OF:

1. 1:2.
2. 2:3.
3. 1:1.
4. 2:1.

9. WHAT HAS THE SECOND HIGHEST VALUE IN THE NORMAL DIFFERENTIAL COUNT?

1. MONOCYTES.
2. EOSINOPHILS.
3. LYMPHOCYTES.
4. SEGMENTED NEUTROPHILS.
5. NEUTROPHILIC BAND CELLS.

10. THE MYELOID-ERYTHROID (M:E) RATIO OF THE BONE MARROW IS THE RATIO OF THE GRANULOCYTIC WHITE BLOOD CELLS TO THE:

1. RED BLOOD CELLS.
2. MATURE RED BLOOD CELLS.
3. NUCLEATED RED BLOOD CELLS.
4. BONE MARROW CELLS OTHER THAN GRANULOCYTES.

11. THE BONE MARROW STUDY SHOULD BE ACCOMPANIED BY A:

1. HEMATOCRIT.
2. RED BLOOD CELL COUNT.
3. PERIPHERAL BLOOD  EVALUATION.
4. TOTAL WHITE BLOOD CELL COUNT.

12. WHAT IS THE NORMAL M:E (MYELOID-ERYTHROID) RATIO OF THE BONE MARROW?

1. 1:1.
2. 2:1 TO 3:1.
3. 3:1 TO 4:1.
4. 4:1 TO 7:1.

13. THE HEMATOCRIT AND THE RBC COUNT ARE NEEDED TO CALCULATE THE:

1. MCV.
2. MCH.
3. MCHC.

14. WHEN CALCULATING THE MCV IN FEMTOLITERS, WHAT IS THE DIVISOR AFTER MULTIPLYING THE HEMOTOCRIT AND 10?

1. RBC COUNT (MILLIONS).
2. HEMATOCRIT (PERCENT).
3. WBC COUNT (THOUSANDS).
4. HEMOGLOBIN CONCENTRATION (G/DL).

15. WHAT IS THE MCV IF THE HEMATOCRIT IS 44%, THE RBC COUNT IS 2 MILLION PER CU MM, AND THE HEMOGLOBIN CONCENTRATION IS 14 G/DL?

1. 1.2 FL.
2. 8.5 FL.
3. 12 FL.
4. 85 FL.

16. WHAT IS THE MCV IF THE HEMATOCRIT IS 36%. THE RBC IS 6 MILLION PER CU MM, AND THE HEMOGLOBIN CONCENTRATION IS LL G/DL?

1. 1.2 FL.
2. 78 FL.
3. 118 FL.
4. 783 FL.

17. THE RBC COUNT AND THE HEMOGLOBIN CONCENTRATION ARE NEEDED TO CALCULATE THE:

1. MCV.
2. MCH.
3. MCHC.

18. TO CALCULATE THE MCH IN MICROMICROGRAMS, IS MULTIPLIED BY TO

1. RBC COUNT (MILLIONS).
2. WBC COUNT (THOUSANDS).
3. HEMATOCRIT (PERCENT).
4. HEMOGLOBIN CONCENTRATION (G/DL).

19. IF THE HEMATOCRIT IS 44%, THE RBC IS 2 MILLION PER CU MM, AND THE HEMOGLOBIN CONCENTRATION IS 14 G/DL, WHAT IS THE MCH?

1. 12  MICROMICROGRAMS.
2. 27  MICROMICROGRAMS.
3. 37  MICROMICROGRAMS.
4. 85  MICROMICROGRAMS.

20. IF THE HEMATOCRIT IS 36%, THE RBC IS 6 MILLION PER CU MM, AND THE HEMOGLOBIN CONCENTRATION IS 11 G/DL, WHAT IS THE MCH?

1. 24  MICROMICROGRAMS.
2. 31  MICROMICROGRAMS.
3. 33  MICROMICROGRAMS.
4. 1/2 MICROMICROGRAM.

21. TO CALCULATE THE MCHC, IS MULTIPLIED BY 100, THEN DIVIDED BY THE HEMOCRIT. THE RESULT EQUALS THE PERCENT OF HEMOGLOBIN IN THE AVERAGE

1. RBC COUNT (MILLIONS).
2. WBC COUNT (THOUSANDS).
3. HEMATOCRIT (PERCENT).
4. HEMOGLOBIN CONCENTRATION (G/DL).

22. IF THE HEMATOCRIT IS 44%, THE RBC IS 2 MILLION PER CU MM, AND THE HEMOGLOBIN CONCENTRATION IS 14 G/DL, WHAT IS THE MCHC?

1. 12%.
2. 27%.
3. 32%.
4. 37%.

23. IF THE HEMATOCRIT IS 36%, THE RBC IS 6 MILLION PER CU MM, AND THE HEMOGLOBIN CONCENTRATION IS 11 G/DL, WHAT IS THE MCHC?

1. 24%.
2. 31%.
3. 33%.
4. 42%.

24. A MEAN CORPUSCULAR VOLUME BELOW 80 FL INDICATES THAT THE ERYTHROCYTES ARE:

1. MACROCYTIC.
2. NORMOCYTIC.
3. MICROCYTIC.
4. MEGALOBLASTIC.

25. THE MAXIMUM VALUE FOR THE IS INCLUDED IN ITS NORMAL

1. MCV.
2. MCH.
3. MCHC.