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ASCP MLS LATEST EXAM QUESTIONS AND 100% CORRECT ANSWERS GRADED A+
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ASCP MLS LATEST EXAM QUESTIONS AND 100% CORRECTANSWERS GRADED A+
What is the common feature seen in a patient's Wright's stained blood smear with a
splenectomy is? - Answer Howell-Jolly bodies
The following antigen antibodies make a patient immune to Hepatitis B infection: -
Answer Surface antigen (HbSAg)
Which of the following two tests help in documenting past Streptococcal throat and skin
infections: - Answer ASO titer and Anti-DNase B
In mass spectrometry, the "appearance potential" may be defined as the: - Answer
Minimum energy required for the appearance of a particular fragment ion in mass
spectrum
What is generally accepted as the lower threshold value for semen pH from fertile
males? - Answer 7.2
Coulometry: - Answer An automated method for measuring chloride which generates
silver ions in the reaction
Erythroleukemia: Also called Acute Myelogenous Leukemia type M6. It is associated
with either the presence of both erythroid and myeloid precursors OR strictly erythroid
precursors.
Myelomonocytic leukemia Associated with an increase in myeloid and monocytic cell
precursors, not red blood cell precursors
Species that are Lysine (+), arginine (=) and ornithine (+): Enterobacter aerogenes,
,Edwardsiella species and most Serratia species
Lysine reaction for all Citrobacter: - Answer Negative
Key identifying characteristic for Pantoa, (Enterobacter) agglomerans: - Answer
negative reactions for the three decarboxylases commonly tested ( Lysine, arginine and
ornithine)
Which of the following is MOST likely responsible for septic reactions associated with
Red Blood Cell transfusions? Answer Yersina entercolitica is most likely responsible for
septic reactions in transfusions of Red Blood Cells. This organism is usually acquired by
ingestion of contaminated food and causes mild symptoms of abdominal pain and
diarrhea. Growth of Y. entercolitica is enhanced in iron-rich environments such as red
cell components.
Gaucher's disease-Answer The most common lysosomal storage disorder due to lack of
activity of the lysosomal enzyme glucocerebrosidase resulting in glucocerebroside
deposition within cells of the macrophage-monocyte system.
Diseases associated with dysfunctions of polymorphonuclear neutrophils
(PMNs)-Answer Chediak-Higashi syndrome (CH), Chronic granulomatous disease
(CGD), Myeloperoxidase deficiency (MPO)
Nephrotic Syndrome: - Answer Caused by damage to the kidneys, especially the
basement membrane of the glomerulus; which causes abnormal excretion of protein
and red blood cells in the urine. Fats are also present in the urine in most cases. A
foamy appearance of the urine is a key characteristic of this condition.
Clinical symptoms include:
Swelling
Weight gain from fluid retention
Poor appetite
High blood pressure
, Key Biochemical reactions for Enterobacteriaceae: - Answer The key biochemical
reactions by which the family Enterobacteriaceae can be identified include fermentation
of carbohydrates, reduction of nitrates to nitrites and the absence of cytochrome
oxidase activity.
ANA - Answer See 2 quiz #27
Prozone effect: - Answer Results in a false positive reaction; is the result of antibody
excess and dilution of antibody can help prevent its occurrence
bichromatic analyser with 2 wavelengths has the purpose: - Answer To minimize the
interfering effect
Key features of Micrococcus: - Answer Bacitracin susceptible ("A") furazolidone
resistance, Gram-positive cocci in tetras, cells of micrococcus luteus are larger than
those of the staphylococci and can arrange in tetras.
What might the glomerular filtration rate be for a patient with a serum creatinine of 2
mg/dL, if the urine creatinine was 124 mg/dL and the urine volume was 2.2 L/24 hrs? -
Answer 95 mL/min
One way to estimate a glomerular filtration rate is by using creatinine and urine volume
to calculate creatinine clearance. The formula is as follows:
Creatinine Clearance = (urine creatinine X urine flow rate) / plasma creatinine; where
urine flow rate = volume in mL /24 hours x h/60 min)
In this case = creatinine clearance = 124 X (2200/24 x hour/60) / 2 = 94.7 or 95 ml/min
Estrogen and progesterone markers are most commonly used to provide prognostic
information about: - Answer Breast cancer
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