RODAK'S: HEMATOLOGY NEWEST 2024 – 2025
COMPLETE 300 ACTUAL EXAM QUESTIONS
WITH CORRECT DETAILED ANSWERS (VERIFIED
ANSWERS) RATED A+
What is the most common clinical application of flow cytometry?
a. Diagnosis of platelet disorders
b. Detection of geomaterial hemorrhage
c. Diagnosis of leukemias and lymphomas
d. Differentiation of anemias - Correct Answer - c. Diagnosis of leukemias and
lymphomas
Which of the following is true of CD45 antigen?
a. It is present on every cell subpopulation in the bone marrow.
b. It is expressed on all hematopoietic cells, with the exception of megakaryocytes and
late erythroid precursors.
c. It is not measured routinely in flow cytometry.
d. It may be present on nonhematopoietic cells. - Correct Answer - b. It is expressed on
all hematopoietic cells, with the exception of megakaryocytes and late erythroid
precursors.
Erythroid precursors are characterized by the expression of:
a. CD71
b. CD20
c. CD61
d. CD3 - Correct Answer - a. CD71
pg. 1
,In Figure 28.2A, the cell population colored in aqua represents:
a. Monocytes
b. Nonhematopoietic cells
c. Granulocytes
d. Lymphocytes - Correct Answer - d. Lymphocytes
Antigens expressed by B-LL include:
a. CD3, CD4, and CD8
b. CD19, CD34, and CD10
c. There are no antigens specific for B-LL.
d. Myeloperoxidase - Correct Answer - b. CD19, CD34, and CD10
Which of the following is true of flow cytometric gating?
a. It is best defined as selection of a target population for flow cytometric analysis.
b. It can be done only at the time of data acquisition.
c. It can be done only at the time of final analysis and interpretation of flow cytometric
data.
d. It is accomplished by adjusting flow rate. - Correct Answer - a. It is best defined as
selection of a target population for flow cytometric analysis.
Where should alcohol and other flammable chemicals be stored?
a. In an approved safety can or storage cabinet away from heat sources
b. Under a hood and arranged alphabetically for ease of identification in an emergency
c. In a refrigerator at 28 C to 88 C to reduce volatilization
d. On a low shelf in an area protected from light - Correct Answer - a. In an approved
safety can or storage cabinet away from heat sources
pg. 2
,The most frequent cause of needle punctures is:
a. Patient movement during venipuncture
b. Improper disposal of phlebotomy equipment
c. Inattention during removal of needle after venipuncture
d. Failure to attach needle firmly to syringe or tube holder - Correct Answer - b.
Improper disposal of phlebotomy equipment
Under which of the following circumstances would a SDS be helpful?
a. A phlebotomist has experienced a needle puncture with a clean needle.
b. A fire extinguisher failed during routine testing.
c. A pregnant laboratory employee has asked whether she needs to be concerned about
working with a given reagent.
d. During a safety inspection, an aged microscope power supply is found to have a
frayed power cord - Correct Answer - c. A pregnant laboratory employee has asked
whether she needs to be concerned about working with a given reagent
What class fire extinguisher would be appropriate to use on a fire in a chemical cabinet?
a. Class A
b. Class B
c. Class C
d. Class D - Correct Answer - b. Class B
According to OSHA standards, laboratory coats must be all of the following except:
a. Water resistant
b. Made of cloth fabric that can be readily laundered
c. Long-sleeved
d. Worn fully buttoned - Correct Answer - b. Made of cloth fabric that can be readily
laundered
pg. 3
, Which one of the following would NOT be part of a safety management plan?
a. Job safety analysis
b. Risk assessment of potential safety hazards
c. Mechanism for reporting accidents
d. Budget for engineering controls and personal protective equipment - Correct Answer -
d. Budget for engineering controls and personal protective equipment
What is the percent transferrin saturation for a patient with total serum iron of 63 mg/dL
and TIBC of 420 mg/dL? - Correct Answer - c. 15%
Referring to Figure 8.6, into which quadrant of a Thomas plot would a patient's results
fall with the following test results: Soluble transferrin receptor: increased above
reference interval Ferritin: decreased below reference interval Hemoglobin content of
reticulocytes: within the reference interval
a. Normal iron status
b. Latent iron deficiency
c. Functional iron deficiency
d. Iron deficiency - Correct Answer - b. Latent iron deficiency
Developing erythroblasts in the bone marrow affect the supply of body iron, both
absorption and recycling, by secreting which of the following hormones?
a. Erythropoietin
b. Erythroferrone
c. Hepcidin
d. Haptoglobin - Correct Answer - b. Erythroferrone
Which of the following cells critical to iron trafficking in the body does NOT possess
ferroprotein?
a. Erythroblasts
b. Enterocytes
pg. 4
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