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Given the following values, which set of RBC indices would suggest iron deficiency anemia?
Select one:
a. MCV 76fL; MCH 19.4 pg; MCHC 31.3%
b. MCV 81fL; MCH 29.2 pg; MCHC 34.1%
c. MCV 90fL; MCH 30.5 pg; MCHC 33.5%
d. MCV 79fL; MCH 36.5 pg; MCHC 39.0% - CORRECT ANSWER-a. MCV 76fL; MCH 19.4 pg; MCHC
31.3%
Obtaining an RDW of 22% may indicate the presence of:
Select one:
a. Nucleated RBCs
b. Leukocytosis
c. Spherocytes
,d. Poikilocytosis
e. Reticulocytes
f. Anisocytosis - CORRECT ANSWER-f. Anisocytosis
REFER TO QUIZ - CORRECT ANSWER-
REFER TO QUIZ - CORRECT ANSWER-
Which might be a reason for a false increase in a microhematocrit reading?
Select one or more:
a. Performing a microhematocrit on a sickle cell patient
b. Including the buffy coat in the reading of the hematocrit
c. Overcentrifugation of the microhematocrit centrifuge
d. A short draw on the EDTA tube
e. Spinning the microhematocrit centrifuge for 3 minutes - CORRECT ANSWER-a. Performing a
microhematocrit on a sickle cell patient
b. Including the buffy coat in the reading of the hematocrit
,e. Spinning the microhematocrit centrifuge for 3 minutes
Obtaining an MCV of 103% may indicate the presence of:
Select one:
a. Hypochromasia
b. Spherocytes
c. Microcytes
d. Macrocytes
e. Nucleated RBCs - CORRECT ANSWER-d. Macrocytes
Which type of leukocyte is found less than 10% on an adult peripheral blood smear, has
Charcot-Leyden crystals in their primary granules, has a bi-lobed nucleus in its mature form, and
is active in both allergic reactions and parasitic infections?
Select one:
a. Lymphocyte
b. Basophil
, c. Monocyte
d. Neutrophil
e. Eosinophil - CORRECT ANSWER-e. Eosinophil
REFER TO QUIZ - CORRECT ANSWER-
Neutrophils carry out multiple functions in the immune response. Which would NOT be
considered a function of the neutrophil?
Select one:
a. The release of nuclear material upon apoptosis which will trap and kill bacteria and fungi
b. Trigger mast cell degranulation
c. Secretors of cytokines
d. Receptor-mediated phagocytosis - CORRECT ANSWER-b. Trigger mast cell degranulation
Which is true when nucleated RBCs are present on the blood smear?
Select one:
a. They cause no interference