ASCP recalls (corrected answers)
3 pairs of hooklets in an ovum - ANSWER-Presence of lupus anticoagulant leads to ....
Which is the agent of hand, foot and mouth disease of humans? - ANSWER-Coxsackie A virus
Detection of antigen in urine specimen can be used for which of the following typ...
ASCP recalls 2017-2018 (corrected
answers)
3 pairs of hooklets in an ovum - ANSWER-Presence of lupus anticoagulant leads to ....
Which is the agent of hand, foot and mouth disease of humans? - ANSWER-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. - ANSWER-Legionella
Antler hyphae found in ... - ANSWER-Microsporum Audouinii
What grows on chocolate agar - ANSWER-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 - ANSWER-Clostridium Perfringens
Which increases first after an MI - ANSWER-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? - ANSWER-
Strongyloides Stercoralis
Which of the following causes antibody against TSH? - ANSWER-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? - ANSWER-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? -
ANSWER-Heinz Bodies
Which of the following causes decrease HbA1c? - ANSWER-Sickel cell or any chronic Hemolytic Anemia
Which of the following cells releases histamine/heparin? - ANSWER-Eosinophil and Basophil
Which of the following Mycobacteria we can acquire from tap water? - ANSWER-Mycobacterium
Gordonae
Which of the following analytes is cofactor for most of 300 enzymes? - ANSWER-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? - ANSWER-Uremia
(Renal failure), Lactic acidosis, Ketoacidosis, Hypernatremia, ingestion of Methanol, Ethylene Glycol or
Salycilate (SLUMPED)
Double zone of hemolysis bacteria... how to confirmation? - ANSWER-positive reverse CAMP test.
Gram negative anaerobes after a Jaw surgery - ANSWER-Veillonella
reduce nitrate to nitrite, does not ferment carbohydrates.
Gram negative, beta hemolytic, oxidase positive organism isolated from wound. A/A on TSI - ANSWER-
Aeromonas
ONPG negative - ANSWER-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 - ANSWER-Malassezia furfur (Tinea Versicolor)
Spaghetti and meatballs appearance
Patient receiving blood from mother requires what type of blood - ANSWER-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 - ANSWER-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 - ANSWER-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? - ANSWER-anti-I because it did not react
with cord cells
Antigens Le a and Le b - ANSWER-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 - ANSWER-Mycoplasma pneumoniae and
Cold reacting antibodies
Given mother blood type (AB-) and baby type (O+), what do you do next? - ANSWER-Since O blood type
is impossible from AB mom, get a new heelstick from baby.
Biggest problem with PCR? - ANSWER-Contamination with nucleotides.
Quantitative (real time) PCR is useful in detecting ... - ANSWER-EBV
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