Hematology final uams #2 UPDATED
ACTUAL Questions and CORRECT
Answers
Match the test with the method of determination:
Question
Correct Match
•White blood count B. Coulter principle
•Hematocrit
Calculated
•MCH
Calculated
•Hemoglobin
Cyanmethemoglobin
•Red count
B. Coulter principle - CORRECT ANSWER -
Manual counts have more artifacts or spurious results than automated counts.
Selected Answer: a b. False - CORRECT ANSWER -
Lipemia would elevate the MCH.
Selected Answer: @ a. True - CORRECT ANSWER -
The RDW is a measurement of how wide the red cells curve is. True - CORRECT
ANSWER -
Reduced vacuum would elevate the red and white counts.
Selected Answer: O b. False - CORRECT ANSWER -
, The value most likely to be interfered with from bacteria or bubble in the reagents would be the
platelet count. True - CORRECT ANSWER -
Nucleated red cells would be counted by an electronic impedance instrument as small white
cells. True - CORRECT ANSWER -
False Platelet satellitism would cause the platelet count to be falselv elevated - CORRECT
ANSWER -
Giant platelets could cause a false WBC, MCV and platelet count. True - CORRECT
ANSWER -
Three patients in a row had white counts of +++ (exceeded linearityland hemoglobins of 20
g/dL. The rest of the results appeared normal. What is the most likely cause?
Selected Answer: • d. No lyse is getting to the bath - CORRECT ANSWER -
patient with CML has a WBC of 300 x 10 3/uL on the cell counter. Which of the following
results would be correct and would require no further testing.
Selected Answer: © d. PLT - CORRECT ANSWER -
All values are within limits on the controls except for the hemoglobin which is low. Which of the
following is most likely the reason? - CORRECT ANSWER - The hemoglobin lamp is
fading
The red count, platelet count, MCHC, and hematocrit are all very low on both controls; the white
count and hemoglobin are within limits. Which is most likely?
Selected Answer: © a. Plug in the red cell aperture - CORRECT ANSWER -
An anemic patient has a low RBC, HGB, and HCT. Which of the following is true? - CORRECT
ANSWER - The indices and RDW could be normal or abnormal
ACTUAL Questions and CORRECT
Answers
Match the test with the method of determination:
Question
Correct Match
•White blood count B. Coulter principle
•Hematocrit
Calculated
•MCH
Calculated
•Hemoglobin
Cyanmethemoglobin
•Red count
B. Coulter principle - CORRECT ANSWER -
Manual counts have more artifacts or spurious results than automated counts.
Selected Answer: a b. False - CORRECT ANSWER -
Lipemia would elevate the MCH.
Selected Answer: @ a. True - CORRECT ANSWER -
The RDW is a measurement of how wide the red cells curve is. True - CORRECT
ANSWER -
Reduced vacuum would elevate the red and white counts.
Selected Answer: O b. False - CORRECT ANSWER -
, The value most likely to be interfered with from bacteria or bubble in the reagents would be the
platelet count. True - CORRECT ANSWER -
Nucleated red cells would be counted by an electronic impedance instrument as small white
cells. True - CORRECT ANSWER -
False Platelet satellitism would cause the platelet count to be falselv elevated - CORRECT
ANSWER -
Giant platelets could cause a false WBC, MCV and platelet count. True - CORRECT
ANSWER -
Three patients in a row had white counts of +++ (exceeded linearityland hemoglobins of 20
g/dL. The rest of the results appeared normal. What is the most likely cause?
Selected Answer: • d. No lyse is getting to the bath - CORRECT ANSWER -
patient with CML has a WBC of 300 x 10 3/uL on the cell counter. Which of the following
results would be correct and would require no further testing.
Selected Answer: © d. PLT - CORRECT ANSWER -
All values are within limits on the controls except for the hemoglobin which is low. Which of the
following is most likely the reason? - CORRECT ANSWER - The hemoglobin lamp is
fading
The red count, platelet count, MCHC, and hematocrit are all very low on both controls; the white
count and hemoglobin are within limits. Which is most likely?
Selected Answer: © a. Plug in the red cell aperture - CORRECT ANSWER -
An anemic patient has a low RBC, HGB, and HCT. Which of the following is true? - CORRECT
ANSWER - The indices and RDW could be normal or abnormal
