ASCP recalls 2017-2018 Corrected 2024 With 100% Correct Answers

3 pairs of hooklets in an ovum Ans✔✔Presence of lupus anticoagulant leads to .... Which is the agent of hand, foot and mouth disease of humans? Ans✔✔Coxsackie A virus Detection of antigen in urine specimen can be used ...

3 pairs of hooklets in an ovum Ans✔✔Presence of lupus anticoagulant leads to .... Which is the agent of hand, foot and mouth disease of humans? Ans✔✔Coxsackie A virus 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 NAD AKA factor Factor 5. Hemin is factor 10. Double zone of hemolysis and beta lactamase Ans✔✔Clostridium PerfringensWhich increases first after an MI Ans✔✔Myoglobin myoglobin>cT>CK>AST>LD (Myglobin rises within 30 min and last for 18-24 hours. Tropinin I rises 4-10 hrs post MI, peaks at 14-20 hrs and remains elevated for 4-10 days, most specific and last the longest in blood. CKMB rises 6-10 hours, peaks and 24 hrs and last for 2-3 days, least specific. LD1>LD2 slowest to rise after MI.) 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 (thyroid stimulating hormone receptors) antibody causes thryoid hyperactivity and suppression of TSH normal or 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 TSHWhat 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 Non lactose fermenter (ONPG Negative): Salmonella spp; Shigella spp; Proteus spp; Providencia spp and Morganella spp do not produce β-galactosidase so can not ferment lactose. 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.Gamma-irradiation of blood components containing viable lymphocytes is very effective in preventing TA-GVHD. Irradiation is recommended for all Whole Blood, Red Blood Cell, Platelets, and Granulocyte transfusions to patients at risk. HTLV- confirmatory test Ans✔✔Western blot Human T-cell lymphotropic virus (HTLV) was the first human retrovirus discovered. HTLV belongs to the Retroviridae family in the genus Deltaretrovirus. Retroviruses are RNA viruses that use an enzyme called reverse transcriptase to produce DNA from RNA. The DNA is subsequently incorporated into the host's genome. 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 antibodiesGiven 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✔✔stoolTook 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 (uremia and liver disease, artifact (alkaline glass effect) Stomatocytes blood picture Ans✔✔Liver disease Badly discolored blood picture with very spiky cells. What caused this? Ans✔✔Slide not dryLooks like dark Burr cells Iatrogenic anemia is due to what? Ans✔✔excessive blood draws (Iatrogenic anemia = means lowered hematocrit and hemoglobin count) 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)(Twitching, cramping, arrhythmias) Patient taking primidone showing toxicity, but blood levels normal. What do you do next? Ans✔✔Test phenobarbital level (primidone is the inactive form of phenobarbitol) Sperm count can be done on semen sample when Ans✔✔Liquefaction is complete (30-60 minutes) Liquefaction time is a measure of the time it takes for the semen to liquefy. 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 (and Carcinoembryonic antigen (CEA)) Fasting glucose 120. What's the diagnosis? Ans✔✔Impaired fasting glucose. 0-50 mg/dl = hypoglycemia 50-100 mg/dl = normal100-125 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