ASCP BOC EXAM Study Guide || All Answers Are Correct 100%.
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Course
ASCP BOC
Institution
ASCP BOC
When 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 increased MCHC d) decreased MCV and RBC correct answers a) increased MCV and decreased RBC...
ASCP BOC EXAM Study Guide || All Answers Are Correct
100%.
When 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 increased MCHC d) decreased MCV and RBC correct answers a)
increased MCV and decreased RBC
Cerebrospinal fluid for glucose assay should be: a) refrigerated b) analyzed immediately c)
heated to 56 degree C d) stored at room temp after centrifugation correct answers b) analyzed
immediately
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 correct answers d) recipient antibody directly
against antigens on the donor red cells
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 correct answers c) sodium, potassium, chloride and total C02
A common cause of respiratory alkalosis is a) vomitting b) starvation c) asthma d)
hyperventilation correct answers d) hyperventilation
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/μL (146 x 10⁹/L) b)183 x 10³/μL (183 x 10⁹/L) c)366 x 10³/μL (3666 x
10⁹/L) d)732 x 10³/μL (732 x 10⁹/L) correct answers c)366 x 10³/μL (3666 x 10⁹/L)
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 correct answers b)
quenching agent
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 concentration
procedure used c) improper specimen submitted d) exposure to CO2 prevents growth correct
answers a) improper media used
MacConkey media for screening suspected cases of hemorrhagic E. coli O157:H7 must contain:
a) indole b) citrate c) sorbitol d) lactose correct answers c) sorbitol
, 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
correct answers b) increased bacterial infections
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 correct answers a) a planned
strategy that includes listening skills and ensuring an understanding with questions
IgM antibodies are frequently hemolytic because of: a)the dimeric structure b) the molecule's 5
antigen binding sites c) their sedimentation coefficient of 7-15 S d) their coefficient ability to fix
complement correct answers b) the molecule's 5 antigen binding sites
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 correct answers d) thiosulfate
citrate bile salts sucrose for Vibrio species
80 grams of NaOH (MW=40) are how many moles? a) 1 b) 2 c) 3 d) 4 correct answers b) 2
An electrode has a silver/silver chloride anode and a platinum wire cathode. It is suspended in
KCl solution and separated fro the blood to be analyzed by a selectively permeable membrane.
Such an electrode is used to measure which of the following? a) pH b) PCO2 c) PO2 d) HCO2
correct answers c) PO2
The organism most commonly associated with neonatal purulent mentingitis is: a) Neisseria
meningitidis b) Streptococcus pneumoniae c) group B streptococci d) Haemophilus influenzae
correct answers c) group B streptococci
The volume of urine excreted in a 24-hour period by an adult patient was 300mL. This condition
would be termed: a) anuria b) oliguria c)polyuria d) dysuria correct answers b) oliguria
Amniotic fluid is tested for the concentration of lamellar bodies. This test determines: a) fetal
lung maturity (FLM) b) hemolytic disease of the newborn (HDN) c) alpha-fetoprotein (AFP) d)
trisomy 21 correct answers a) fetal lung maturity
The purpose of testing with anti-A,B is to detect: a) anti-A¹ b) anti-A² c) subgroups of A d)
subgroups of B correct answers c) subgroups of A
The most important buffer pair in plasma is the a) phosphate/biphosphate pair b)
hemoglobin/imidazole pair c) bicarbonate/carbonic acid pair d) sulfate/bisulfate pair correct
answers c) bicarbonate/carbonic acid pair
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