EXAM QUESTIONS AND CORRECT
DETAILED ANSWERS
Which organ balances sodium and potassium in the body?
A.) Bladder
B.) Gastrointestinal tract
C.) Kidney
D.) Liver
E.) Lungs - ✔✔✔ Correct Answer > C.) Kidney
Midstream urine samples are most often used for:
A.) "Mono" testing
B.) Bence-Jones protein
C.) Culture and sensitivity
D.) Pregnancy testing
E.) Routine analysis - ✔✔✔ Correct Answer > C.) Culture and sensitivity
PKU tests are performed routinely on:
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,A.) HIV patients
B.) Cancer patients
C.) Elderly patients
D.) New employees
E.) Newborn infants - ✔✔✔ Correct Answer > E.) Newborn infants
*PKU = Phenylktonuria
What is leukopenia?
A.) A disease where leukocytes are too big
B.) A disease where leukocytes are too small
C.) A high leukocyte count
D.) A low leukocyte count
E.) A normal leukocytes count - ✔✔✔ Correct Answer > D.) A low
leukocyte count
Specimens for C&S should be obtained before the patient:
A.) Has breakfast
B.) Is given anti-coagulants
C.) Is given anti-microbial agents
D.) Is given any "dye" injections
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,E.) Is given diuretics - ✔✔✔ Correct Answer > C.) Is given antimicrobial
agents
Clean-catch urine specimens are necessary when testing urine for:
A.) Bacteria
B.) Bilirubin
C.) Glucose
D.) Occult blood
E.) Protein - ✔✔✔ Correct Answer > A.) Bacteria
Which of these tests does NOT require a 24-hour urine specimen?
A.) Catecholamines
B.) Creatinine clearance
C.) Ketones
D.) Ketosteroids
E.) Quantitative drug analysis - ✔✔✔ Correct Answer > C.) Ketones What is
a buffy coat?
A.) A layer of cells that appears when whole anticoagulated blood is
centrifuged
B.) A layer of cells that appears when whole coagulated blood is centrifuged
C.) The cell membrane of a while blood cell
D.) The lay of buffer that appears when an SST tube is centrifuged
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, E.) The liquid part of blood - ✔✔✔ Correct Answer > A.) A layer of cells
that appears when whole anticoagulated blood is centrifuged
A reticulocyte is:
A.) A mature red blood cell
B.) An immature erythrocyte
C.) Demonstrated using a Wright-Giemsa stain
D.) Found only in the bone marrow
E.) Part of the reticuloendothelial system - ✔✔✔ Correct Answer >
B.) An immature erythrocyte
Which of these antibodies is most likely to be found on a B cell?
A.) IgA
B.) IgD
C.) IgE
D.) IgG
E.) IgM - ✔✔✔ Correct Answer > B.) IgD
Which of these actions would help to prevent hemoconcentration during
venipuncture?
A.) Asking the patient to make and release a fist several times
B.) Asking the patient to release her fist upon blood flow
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