ASCP Recalls Exam | 521 Questions And Answers
ASCP Recalls Exam 2022-2023 | 521 Questions And Answers
3 pairs of hooklets in an ovum ANS Hymenolepis Diminuta ✅
Which is the agent of hand, foot and mouth disease of humans? ANS Coxsackie A. ✅
Detection of antigen in urine specimen can be used for which of the following type of pneumonia
infection
a. Fusobacterium
B. Y. Pestis
C. Legionella
D. Mycobacterium TB. ANS Legionella ✅
Antler hyphae found in … ANS Microsporum Audouinii ✅
What grows on chocolate agar ANS Haemophilus spp. ✅
*requires X and V factor
It could grow around colonies of with Staph. Aureus forming Satellitism as Staph. Aureus (in
addition Neisseria and Pneumococcus) releases Hemin and NAD AKA factor 10 and Factor 5
Double zone of hemolysis and beta lactamase ANS Clostridium Perfringens ✅
Which increases first after an MI ANS Myoglobin ✅
Which of the following parasite cause autoinfection in immunocompromised patients? ANS
✅ Strongyloides Stercoralis
Which of the following causes antibody against TSH? ANS Graves Disease = TSHR ✅
antibody
increase T3 and T4
decrease TSH
Which of the following causes antibody against Thyroglubulin and Thyroid cells? ANS ✅
Hashimotos = Anti-thyroglobulin
decrease T3 and T4
increase TSH
What RBC inclusion can be seen on blood smear of a child who accidentally ingested moth
balls? ANS Heinz Bodies ✅
Which of the following causes decrease HbA1c? ANS Sickel cell or any chronic ✅
Hemolytic Anemia
Which of the following cells releases histamine/heparin? ANS Eosinophil and Basophil ✅
Which of the following Mycobacteria we can acquire from tap water? ANS ✅
Mycobacterium Gordonae
Which of the following analytes is cofactor for most of 300 enzymes? ANS Magnesium ✅
(Zinc too)
reference range: 1.7-2.4 mg/dl
Which of the following condition is the most common cause of increase anion gap? ANS
✅ Uremia (Renal failure), Lactic acidosis, Ketoacidosis, Hypernatremia, ingestion of Methanol,
Ethylene Glycol or Salycilate (SLUMPED)
Double zone of hemolysis bacteria… how to confirmation? ANS positive reverse CAMP ✅
test.
Gram negative anaerobes after a Jaw surgery ANS Veillonella ✅
reduce nitrate to nitrite, does not ferment carbohydrates.
Gram negative, beta hemolytic, oxidase positive organism isolated from wound. A/A on TSI
ANS Aeromonas ✅
ONPG negative ANS N meningitis, not sure? ✅
What requires oil or olive oil ANS Malassezia furfur (Tinea Versicolor) ✅
Spaghetti and meatballs appearance
Patient receiving blood from mother requires what type of blood ANS Irradiated blood ✅
relatives might probably have similar HLA which will recognized by the baby’s immune system
as same, hence won’t be attacked.
May cause Graft vs Host disease. Hence, Leukocyte need to be irradiated
HTLV- confirmatory test ANS Western blot ✅
Positive RPR negative FTA for Syphilis ANS False positive ✅
Given a mini panel of antibody reactions. The serum is tested against Group 0 RBCs and cord
cells. Reacts with all adult cells, no reaction with cord cells. What antibody? ANS anti-I ✅
because it did not react with cord cells
Antigens Le a and Le b ANS Is absorbed from the serum onto red cells ✅
A cold agglutinin picture. The first question asked what disease/infection it was associated with
it and second asked what would cause this blood picture ANS Mycoplasma pneumoniae ✅
and
Cold reacting antibodies
Given mother blood type (AB-) and baby type (O+), what do you do next? ANS Since ✅
O blood type is impossible from AB mom, get a new heelstick from baby.
Biggest problem with PCR? ANS Contamination with nucleotides. ✅
Quantitative (real time) PCR is useful in detecting … ANS EBV ✅
What HBV disease marker is found in individuals with a past infection? life time marker?
ANS Anti-HBc ✅
Positive anti-HBe, anti-HBc IgG, and Anti-HBs indicates what stage of hepatitis? ANS ✅
Immunity to Hep B due to previous infection
Following a throat infection, patient is having kidney problems. What bacteria causing it?
ANS Streptococcus pyogenes ✅
Patient has walking pneumoniae and is prescribed penicillin. 2 weeks later, still sick. What
happened? ANS Bacteria has no cell wall ✅
Potassium permanganate in auramine-rhodamine stain for Mycobacterium ANS ✅
Quenching agent
Specimen of choice for rotavirus? ANS stool ✅
Took a swab sample from a wound and incubated on three different medias (including anaerobic
media). Nothing grew. What happened? ANS Swab material inhibited the sample. ✅
Latex agglutination for Staphylococcus Aureus detects what? ANS Protein A and ✅
clumping factor
Different between Staphylococcus aureus and other Staph. Spp? ANS Staphylococcus ✅
Aureus is Coagulase Positive
How to differentiate between Staphylococcus aureus and Micrococcus ANS ✅
Micrococcus arranged in tetrads
Colonies are yellow and none hemolytic on SBA
most importantly Micrococcus is Furazolidone resistant
Burr cells blood picture ANS uremia ✅
Stomatocytes blood picture ANS Liver disease ✅
Badly discolored blood picture with very spiky cells. What caused this? ANS Slide not ✅
dry
Looks like dark Burr cells
Iatrogenic anemia is due to what? ANS to excessive blood draws. ✅
What cell type is increased in Infectious mononucleosis? ANS lymphs ✅
B cells infected
T cells reactive (pictured)
Lupus anticoagulant causes what? ANS Increased risk of thrombosis ✅
Sample taken from indwelling catheter. Patient isn’t on any anticoagulants yet PTT and TT are
way elevated. ANS Heparin contamination from the catheter ✅
Anti-Thrombin III ANS It is a Heparin Co-factor ✅
deficiency is associated with thrombosis
In which case is Magesium monitored? ANS Pre-eclampsia (eclampsia) ✅
Patient taking primidone showing toxicity, but blood levels normal. What do you do next? –
ANS Test phenobarbital level. ✅
Sperm count can be done on semen sample when ANS Liquefaction is complete (30-60 ✅
minutes)
anti-sperm antibodies ANS causes agglutination in the form of attached sperms. Head to ✅
head, tail to tail or head to tail.
Tumor marker seen in pancreatic cancer ANS CA 19-9 ✅
Fasting glucose 120. What’s the diagnosis? ANS 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 ? ANS Metanephrines in urine (24 hours ✅
collection)
sensitivity is ANS TP/TP +FN X 100 ✅
specificity is ANS TN/TN+TP X 100 ✅
Type 1 hypersensitivity reaction ANS anaphylactic shock . Examples: bee sting, hay ✅
fever, asthma, food allergies.
Type 2 hypersensitivity reaction ANS Agglutination, eg transfusion reaction, HDFN. ✅
Hashimotos
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