ASCP RECALLS EXAM LATEST 2023 ACTUAL EXAM 200+
QUESTIONS AND CORRECT ANSWERS(VERIFIED
ANSWERS)|AGRADE
Patient has walking pneumoniae and is prescribed penicillin. 2 weeks later, still
sick. What happened? - ANSWER- Bacteria has no cell wall
Potassium permanganate in auramine-rhodamine stain for Mycobacterium -
ANSWER- Quenching agent
Specimen of choice for rotavirus? - ANSWER- stool
Took a swab sample from a wound and incubated on three different medias
(including anaerobic media). Nothing grew. What happened? - ANSWER- Swab
material inhibited the sample.
Latex agglutination for Staphylococcus Aureus detects what? - ANSWER- Protein
A and clumping factor
Different between Staphylococcus aureus and other Staph. Spp? - ANSWERStaphylococcus Aureus is Coagulase Positive
How to differentiate between Staphylococcus aureus and Micrococcus -
ANSWER- Micrococcus arranged in tetrads
Colonies are yellow and none hemolytic on SBA
most importantly Micrococcus is Furazolidone resistant
Burr cells blood picture - ANSWER- uremia
(uremia and liver disease, artifact (alkaline glass effect)
Stomatocytes blood picture - ANSWER- Liver disease
Badly discolored blood picture with very spiky cells. What caused this? -
ANSWER- Slide not dry
Looks like dark Burr cells
Iatrogenic anemia is due to what? - ANSWER- excessive blood draws
(Iatrogenic anemia = means lowered hematocrit and hemoglobin count)
What cell type is increased in Infectious mononucleosis? - ANSWER- lymphs
B cells infected
T cells reactive (pictured)
Lupus anticoagulant causes what? - ANSWER- Increased risk of thrombosis
Sample taken from indwelling catheter. Patient isn't on any anticoagulants yet PTT
and TT are way elevated. - ANSWER- Heparin contamination from the catheter
Anti-Thrombin III - ANSWER- It is a Heparin Co-factor
deficiency is associated with thrombosis
In which case is Magesium monitored? - ANSWER- Pre-eclampsia (eclampsia)
(Twitching, cramping, arrhythmias)
Patient taking primidone showing toxicity, but blood levels normal. What do you
do next? - ANSWER- Test phenobarbital level
(primidone is the inactive form of phenobarbitol)
Sperm count can be done on semen sample when - ANSWER- Liquefaction is
complete (30-60 minutes)
Liquefaction time is a measure of the time it takes for the semen to liquefy.
anti-sperm antibodies - ANSWER- causes agglutination in the form of attached
sperms. Head to head, tail to tail or head to tail.
Tumor marker seen in pancreatic cancer - ANSWER- CA 19-9
(and Carcinoembryonic antigen (CEA))
Fasting glucose 120. What's the diagnosis? - ANSWER- Impaired fasting glucose.
0-50 mg/dl = hypoglycemia
50-100 mg/dl = normal
100-125 mg/dl = impaired
>126 mg/dl = diabetes
What increase in Pheochromocytoma ? - ANSWER- Metanephrines in urine (24
hours collection)
sensitivity is - ANSWER- TP/TP +FN X 100
Sensitivity: probability that a test result will be positive when the disease is present
(true positive rate)
specificity is - ANSWER- TN/TN+TP X 100
Specificity: probability that a test result will be negative when the disease is not
present (true negative rate)
Type 1 hypersensitivity reaction - ANSWER- anaphylactic shock . Examples: bee
sting, hay fever, asthma, food allergies.
IgE mediated
Type 2 hypersensitivity reaction - ANSWER- Agglutination, eg transfusion
reaction, HDFN. Hashimotos
Type 3 hypersensitivity reaction - ANSWER- Immune complex like serum
sickness, Systemic Lupus Erythematosus, Rheumatoid Arthritis
(A) type I anaphylactic: IgE "fixed on mast cells release histamine i.e. asthma, hay
fever, bee sting.
(C) type II antibody dependent cytotoxicity: antigen "fixed" on cell attacked by
IgG and IgM i.e. transfusion rxn, AIHA, Hashimoto, graves, goodpasture disease.
(I) type III immune complex: free antigen/free antibody form complex not cleared
by mononuclear phagocytic system i.e. RA, SLE, serum sickness.
(D) type IV delayed: sensitized T cells release IL; mono's and lymphs infiltration
i.e. contact dermatitis, GVHD, diabetes.
Type 4 hypersensitivity reaction - ANSWER- T-cell dependent like contact
dermatitis, TB, Leprosy, GVHD
Increased Alkaline Phosphatase in - ANSWER- Obstruction Jaundice (post
hepatic)
(and bone disease)
Chronic hepatitis - ANSWER- anti-smooth muscle antibody (not sure)
Waxy cast found in urine indicates ? - ANSWER- End stage of degeneration (renal
failure)
HgbA1c decrease in - ANSWER- Chronic Hemolysis (hemolytic anemia)
Lipoprotein that transport the majority of cholesterol into cells - ANSWER- LDL
Micrococcus - ANSWER- Resistance to Furazolidone
(Bacitracin S, Staph R. LabCE question as well.)
Procainamide metabolite that need to be measured along with Procainamideis -
ANSWER- NAPA
Main metabolite of cocaine - ANSWER- Benzoylecgonine
Type 1 hypersensitivity stimulated by - ANSWER- IgE
Blood product that has highest capability of transmitting hepatitis - ANSWERNeedle stick during a procedure
Heinz bodies - ANSWER- Heinz bodies: denatured HB, need supervital stain, seen
in G6PD, thalassemia and unstable hemoglobins
Child swallowed naphthalene ball, what is expected to be seen on peripheral blood
smear ? - ANSWER- Heinz Bodies
Stomatocytes - ANSWER- liver disease
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