Phlebotomy Test Questions with Correct Answers
Which is the most correct method for performing a capillary puncture? - Answer-wipe away the first drop of blood and then collect the sample.
You are performing a capillary puncture on a patient and are having difficulty collecting and adequate sam...
Phlebotomy Test Questions with
Correct Answers
Which is the most correct method for performing a capillary puncture? - Answer-wipe
away the first drop of blood and then collect the sample.
You are performing a capillary puncture on a patient and are having difficulty collecting
and adequate sample. Which of the following is an accepted method to encourage
blood flow from the site? - Answer-Gently rub the finger along the sides.
The clear part of whole blood that contains clotting agent is: - Answer-plasma
Capillary blood samples may be collected at all of the following sites except the? -
Answer-antecubital space
Which is the proper technique for performing a venipuncture? - Answer-The needle
bevel is face up, and the needle is inserted at a 15-degree angle.
The color of the tube top for collection of a coagulation test is: - Answer-light blue
Erythrocytes have a typical ___ shape because of______ - Answer-concave; their lack
of a nucleus
Granular leukocytes: - Answer-act as phagocytes
Which of the following test is used to determine renal function? - Answer-creatine
Dr. Lim orders a CPK draw on Mr. Roberts. What do elevated CPK levels indicate? -
Answer-Possible MI
Which of the following is a normal adult WBC count? - Answer-10,000 cells/mm3
Platelets: - Answer-none of the above
In performance of a microhematocrit: - Answer-the open end of the capillary should be
sealed clay before centrifuging
The buffy coat: - Answer-is white
A decreased heamtocrit value could be the result of: - Answer-hemorrhage
anemia
, The copper sulfate method of determining the hemoglobin level is: - Answer-qualitative
test
based on the specific gravity of hemoglobin
commonly used to screen blood donors
While Mr. Chakrabarti's hematocrit sample is spinning in the centrifuge, you perform an
automated hemoglobin test on a sample of his blood and record the value as 15g/dL.
You do a quick mental calculation and expect that the hematocrit value will be
approximately: - Answer-45%
Which of the following is a normal H&H for a female? - Answer-36& and 14g/dL
Increases in the RBC count are found in which of the following? - Answer-dehydration
Which component of the complete blood count is not necessary to calculate the red cell
indices? - Answer-differential
A properly prepared wedge smear: - Answer-has blood covering one half to three
quarters of the slide
A hematocrit reading of 37 indicates what? - Answer-RBCs account for 37% of the total
blood volume
Which statement is true about leukocytes? - Answer-Leukocytes are the largest
circulating blood cells
Granulocytes have segment nuclei
Neutrophils are the most numerous WBCs in circulation
Bacterial infections stimulate increased production of neutrophils
Which of the following vacutainer tubes is routinely used for hematology testing? -
Answer-lavender topped
No anticoagulant are found in which of the following tubes? - Answer-Red topped
The proper procedure for collecting a serum specimen is to: - Answer-allow the
specimen to clot
use a red or marbled-top tube
Which type of tube should be used to collect blood specimens during a glucose
tolerance test? - Answer-gray topped
_____ is and anticoagulant that prevents platelets from clumping and preserves the
appearance of blood cells for microscopic preparation. - Answer-ETHYLENEDIAMINE
TETRAACETIC ACID (EDTA)
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