ASCP RECALLS | 500 QUESTIONS
WITH ANSWERS (ALL CORRECT)
Question : Procedure #1 detected 50/100 true positives &
100/100 true negatives. Procedure #2 detected 80/100 true positives and 70/100 true negatives.
CORRECT ANSWER : Procedure 2 is more sensitive (refers
to % of true positives that are accurately identified as positives). Specificity refers to # of true negatives identified as negative.
Question : TP/TP+FN=
CORRECT ANSWER : Sensitivity
Question : TN/TN+FP=
CORRECT ANSWER : Specificity
Question : What might the following indicate in urine: RBCs, WBCs, nitrite, and bacteria?
CORRECT ANSWER : Pyelonephritis (UTI); WBCs and
nitrites in urine are classical indication of bacterial infection (UTI)
Question : Why is albumin the first protein to be detected in
tests for renal failure?
CORRECT ANSWER : It's molecular size is the smallest
Question : Cortisol excess will result in:
CORRECT ANSWER : Elevated glucose in blood; cortisol
counteracts insulin
Question : What is the reason for the following discrepency?
Anti A: 3+
Anti B: 3+
A1: 3+
B cells: 0
CORRECT ANSWER : Patient may be A2B
Question : This spiral form organism is seen in urine and
cultured on fletcher's medium
CORRECT ANSWER : Leptospira
Question : Organism that gives off a bleach-like odor in
culture:
CORRECT ANSWER : Eikenella (GN pits agar)
Question : Presence of Rheumatoid factor in blood may result
in false positives for what test?
CORRECT ANSWER : VDRL; nonspecific screening test
for syphillis
Question : Disease associated with the following: increased
TSH increased T3 and increased FT4:
CORRECT ANSWER : Pituitary tumor
Question : If excess PTH is released, what woulde you find
elevated amounts of in serum?
CORRECT ANSWER : Calcium
Question : Mucoid pink colonies on plate that produce gase,
indole positive, yellow/yellow on TSI
CORRECT ANSWER: Klebsiella oxytoca (Klebsiella
pneumo is indole negative)
Question : PAD positive, indole positive, organism stains
gram negative. What is it?
CORRECT ANSWER : Proteus vulgaris (p. mirabilis is
indole negative)
Question : Curved gram negative bacilli. Cultured form GI
tract of persons with ulcers. What test would you do to confirm its identity?
CORRECT ANSWER : Test for Urease. Most likely H.
pylori which is curved, infects GI tract, and the urease activity can cause ulcers.
Question : Enzyme controls run on a machine gives result
around -3SD. Samples run on the same machine give results <1 SD. What is the problem?