ASCP BOC EXAM Study Guide all questions with verified answers

ASCP BOC EXAM Study Guide all questions
with verified answers

When using an electronic cell counter, which of the following results can
b b b b b b b b b b b b


occur in the presence of a cold agglutination? a) increased MCV and
b b b b b b b b b b b b


decreased RBC b) increased MCV and normal RBC c) decreased MCV and
b b b b b b b b b b b b


increased MCHC d) decreased MCV and RBC - correct answer ✔a) increased
b b b b b b b b b b b b


MCV and decreased RBC
b b b




Cerebrospinal fluid for glucose assay should be: a) refrigerated b) analyzed
b b b b b b b b b b b


immediately c) heated to 56 degree C d) stored at room temp after
b b b b b b b b b b b b b


centrifugation - correct answer ✔b) analyzed immediatelyb b b b b b




The major crossmatch will detect: a) group A patient mistyped as group O b)
b b b b b b b b b b b b b


bunexpected red cell antibody in the donor unit c) Rh-neg donor unit
b b b b b b b b b b b b


mislabeled as Rh-Pos d) recipient antibody directly against antigens on the
b b b b b b b b b b b


donor red cells - correct answer ✔d) recipient antibody directly against
b b b b b b b b b b b


antigens on the donor red cells b b b b b




The anion gap is useful for quality control of laboratory reselts for a) amino
b b b b b b b b b b b b b b


acids and proteins b) blood gas anaylses c) sodium, potassium, chloride and
b b b b b b b b b b b b


total C02 d) calcium, phosphorus and magnesium - correct answer ✔c)
b b b b b b b b b b b


sodium, potassium, chloride and total C02
b b b b b




A common cause of respiratory alkalosis is a) vomitting b) starvation c)
b b b b b b b b b b b b


asthma d) hyperventilation - correct answer ✔d) hyperventilation
b b b b b b b

,Blood is diluted 1:200, and a platelet count is performed. 180 platelets were
b b b b b b b b b b b b b


counted in the center square millimeter on one side of the hemacytometer
b b b b b b b b b b b b


and 186 on the other side/ The total platelet count is: a) 146 x 10³/μL (146
b b b b b b b b b b b b b b b b


x 10⁹/L) b)183 x 10³/μL (183 x 10⁹/L) c)366 x 10³/μL (3666 x 10⁹/L) d)732 x
b b b b b b b b b b b b b b b b


10³/μL (732 x 10⁹/L) - correct answer ✔c)366 x 10³/μL (3666 x 10⁹/L)
b b b b b b b b b b b b




When staining acid-fast bacilli with Truant auramine-rhodamine stain,
b b b b b b b b


potassium permanganate is used a a) decolorizing agent b) quenching agent
b b b b b b b b b b b


c) mordant d) dye - correct answer ✔b) quenching agent
b b b b b b b b b




A first morning sputum is received for culture of acid-fast bacilli. It is
b b b b b b b b b b b b b


digested and concentrated by the N-acetyl-L-cysteine alkali method. Two
b b b b b b b b b


Sabouraud dextrose slants are incubated in the dark at 35ºC with 5%-10%
b b b b b b b b b b b b


CO2. The smear reveal acid-fast bacilli, but the slants show no growth after
b b b b b b b b b b b b b


8 weeks. The explanation is: a) improper media used b) incorrect
b b b b b b b b b b b


concentration procedure used c) improper specimen submitted d) exposure b b b b b b b b b


to CO2 prevents growth - correct answer ✔a) improper media used
b b b b b b b b b b




MacConkey media for screening suspected cases of hemorrhagic E. coli
b b b b b b b b b b


O157:H7 must contain: a) indole b) citrate c) sorbitol d) lactose - correct
b b b b b b b b b b b b b


answer ✔c) sorbitol b b




A patient with a B-cell deficiency will most likely exhibit: a) decreased
b b b b b b b b b b b b


phagocytosis b) increased bacterial infections c) decreased complement levels
b b b b b b b b


bd) increased complement levels - correct answer ✔b) increased bacterial
b b b b b b b b b b


infections


Communication is enhanced by: a) a planned strategy that includes listening b b b b b b b b b b b


skills and ensuring an understanding with questions b) relying on e-mail,
b b b b b b b b b b b


memos and voice mail to communicate new information c) formal,
b b b b b b b b b b

, hierachical patterns instead of informal networking patterns d) assumptions
b b b b b b b b b


if there are questions about the intent of the message - correct answer ✔a)
b b b b b b b b b b b b b b


a planned strategy that includes listening skills and ensuring an
b b b b b b b b b b


understanding with questions b b




IgM antibodies are frequently hemolytic because of: a)the dimeric structure
b b b b b b b b b b


b) the molecule's 5 antigen binding sites c) their sedimentation coefficient of
b b b b b b b b b b b


b7-15 S d) their coefficient ability to fix complement - correct answer ✔b)
b b b b b b b b b b b b b


the molecule's 5 antigen binding sites
b b b b b




A community hospital microbiology laboratory is processing significant
b b b b b b b b


numbers of stool cultures because of an outbreak of diarrhea following
b b b b b b b b b b b


heavy rains and flooding in the county. A media that should be incorporated
b b b b b b b b b b b b


bin the plating protocol is: a) colistin nalidixic acid for listeria b) MacConckey
b b b b b b b b b b b b b


agar with sorbitol for Campylobacter c) mannitol salt agar for Enterococcus
b b b b b b b b b b b


speices d) thiosulfate citrate bile salts sucrose for Vibrio species - correct
b b b b b b b b b b b b


answer ✔d) thiosulfate citrate bile salts sucrose for Vibrio species
b b b b b b b b b




80 grams of NaOH (MW=40) are how many moles? a) 1 b) 2 c) 3 d) 4 -
b b b b b b b b b b b b b b b b b b


correct answer ✔b) 2 b b b




An electrode has a silver/silver chloride anode and a platinum wire cathode.
b b b b b b b b b b b b


It is suspended in KCl solution and separated fro the blood to be analyzed
b b b b b b b b b b b b b b


by a selectively permeable membrane. Such an electrode is used to measure
b b b b b b b b b b b b


which of the following? a) pH b) PCO2 c) PO2 d) HCO2 - correct answer ✔c)
b b b b b b b b b b b b b b b b


PO2


The organism most commonly associated with neonatal purulent mentingitis
b b b b b b b b b


is: a) Neisseria meningitidis b) Streptococcus pneumoniae c) group B
b b b b b b b b b b