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ASCP BOC EXAM Study Guide | 135 Questions | 100% Correct Answers
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ASCP BOC EXAM Study Guide | 135 Questions | 100% Correct Answers
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ASCP BOC EXAM Study Guide 2022When using an electronic cell counter, which of the following results can
occur in the presence of a cold agglutination? a) increased MCV and
decreased RBC b) increased MCV and normal RBC c) decreased MCV and
in- creased MCHC d) decreased MCV and RBC: Answer- a) increased MCV
and decreased RBC
1. Cerebrospinal fluid for glucose assay should be: a) refrigerated b)
ana- lyzed immediately c) heated to 56 degree C d) stored at room temp
after centrifugation: Answer- b) analyzed immediately
2. The major crossmatch will detect: a) group A patient mistyped as group
O b) unexpected red cell antibody in the donor unit c) Rh-neg donor unit
mislabeled as Rh-Pos d) recipient antibody directly against antigens on
the donor red cells: Answer- d) recipient antibody directly against
antigens on the donor red cells
3.The anion gap is useful for quality control of laboratory reselts for a)
amino acids and proteins b) blood gas anaylses c) sodium, potassium,
chloride and total C02 d) calcium, phosphorus and magnesium: Answer- c)
sodium, potassium, chloride and total C02
4. A common cause of respiratory alkalosis is a) vomitting b) starvation
c) asthma d) hyperventilation: Answer- d) hyperventilation
,5. Blood is diluted 1:200, and a platelet count is performed. 180 platelets
were counted in the center square millimeter on one side of the
hemacytometer and 186 on the other side/ The total platelet count is: a)
146 x 10³/¼L (146 x
10y/L) b)183 x (183 x 10y/L) c)366 x (3666 x 10y/L) d)732 x (732
10³L¼/ 10³¼L/ 10³¼L/
x 10y/L:)c)366 x 10³/¼L (3666 x 10y/L)
6. When staining acid-fast bacilli with Truant auramine-rhodamine stain,
potassium permanganate is used a a) decolorizing agent b) quenching
agent
c) mordant d) dye: b) quenching agent
7. A first morning sputum is received for culture of acid-fast bacilli. It is
digested and concentrated by the N-acetyl-L-cysteine alkali method. Two
Sabouraud dextrose slants are incubated in the dark at 35ºC with 5%-10%
CO2. The smear reveal acid-fast bacilli, but the slants show no growth after
8 weeks. The explanation is: a) improper media used b) incorrect
concentra- tion procedure used c) improper specimen submitted d)
exposure to CO2 prevents growth: a) improper media used
8. MacConkey media for screening suspected cases of hemorrhagic E.
coli O157:H7 must contain: a) indole b) citrate c) sorbitol d) lactose: c)
sorbitol
, 9. A patient with a B-cell deficiency will most likely exhibit: a)
decreased phagocytosis b) increased bacterial infections c) decreased
complement levels d) increased complement levels: b) increased
bacterial infections
10.Communication is enhanced by: a) a planned strategy that includes
listening skills and ensuring an understanding with questions b) relying on
e-mail, memos and voice mail to communicate new information c) formal,
hierachical patterns instead of informal networking patterns d)
assumptions if there are questions about the intent of the message: a) a
planned strategy that includes listening skills and ensuring an
understanding with questions
11.IgM antibodies are frequently hemolytic because of: a)the dimeric
struc- ture b) the molecule's 5 antigen binding sites c) their sedimentation
coeffi- cient of 7-15 S d) their coefficient ability to fix complement: b) the
molecule's 5 antigen binding sites
12.A community hospital microbiology laboratory is processing significant
numbers of stool cultures because of an outbreak of diarrhea following
heavy rains and flooding in the county. A media that should be
incorporated in the plating protocol is: a) colistin nalidixic acid for listeria
b) MacConckey agar with sorbitol for Campylobacter c) mannitol salt agar
for Enterococcus speices d) thiosulfate citrate bile salts sucrose for Vibrio
species: d) thiosul- fate citrate bile salts sucrose for Vibrio species
13.80 grams of NaOH (MW=40) are how many moles? a) 1 b) 2 c) 3 d) 4: b) 2
14.An electrode has a silver/silver chloride anode and a platinum wire
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