Test Online Free ASCP Cert ASCP-MLT Exam Questions and Answers
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The conidia of Exophiala species are produced within phialides that extrude the conidia in tight, ball-like clusters.
The large, drum stick-shaped muriform macroconidia of Alternaria species are arranged in short chains; the small, elliptical conidia of Cladosporium species are arranged in both long and short, branching chains.
Which of the following dematiaceous fungal species produce conidia in clusters?
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Question 2Selectable Answer
The body compensates for alkalosis or acidosis of the blood PRIMARILY to regain a normal pH, between 7.35 - 7.45.
When the body compensates for a respiratory or metabolic disorder, the MAIN goal is to achieve:
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Question 3Selectable Answer
UA & Body Fluids
What is the identification of this crystal seen in a urine with an alkaline pH?
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Question 4Selectable Answer
CD34, a cell surface marker, presents on undifferentiated pluripotential hemopoietic stem cells. CD34 is a cell surface glycoprotein and functions as a cell-cell adhesion factor.
Which one of the following antigen markers is BEST associated with stem cells?
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Question 5Selectable Answer
Although any one of the answers might be considered correct, a report of gram-positive cocci in chains provides sufficient information without going beyond what the observation might allow. In off-the record conversation with the physician, a technologist might divulge that the picture is consistent with Streptococcus; however, enterococci may have a similar Gram stain appearance, potentially leading to the wrong choice of empiric antibiotic agents.
The image shows the Gram stain prepared from the positive blood culture.
What is the MOST appropriate report?
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Question 6Selectable Answer
AHG must be added immediately after washing to prevent the possibility of a false negative; a false negative can occur in this situation because previously bound globulins may dissociate from red cells, leaving insufficient antibody coating on the red cells to produce a reaction, or free antibody may directly neutralize antiglobulin reagent.
Blood bank
A false-negative reaction while performing the DAT technique may be the result of:
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Question 7Selectable Answer
The federal government has categorized critical biological agents into three groups: A, B, and C. Those agents in category A are highest-priority because they can be easily disseminated or transmitted person-to-person.
The federal government has categorized critical biological agents into three groups: A, B, and C. Those agents in category A are highest-priority because they:
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Question 8Selectable Answer
Streptococcus pyogenes is the correct answer. Streptococcus pneumoniae is alpha-hemolytic which demonstrate a green area of partial hemolysis around the colonies. Staphylococcus aureus will produce complete hemolysis but is catalase positive.
Streptococcus agalactiae is beta-hemolytic but only produces a partial clearing of the red blood cells in sheep blood agar.
Complete hemolysis of sheep blood agar as demonstrated by the image below would be seen in which of the following catalase-negative isolates?
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Question 9Selectable Answer
Which of the following disorders is characterized by increased production of chloride in sweat?
Multiple myeloma
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Question 10Selectable Answer
The primary mechanism responsible for glomerular filtration is:
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Question 11Selectable Answer
Cholesterol levels do not fluctuate as triglycerides, fatty acids, lipoproteins, and chylomicrons do after an individual eats a meal. This is the reason that patients are told to fast; the laboratory needs a fasting sample to determine a lipid profile or panel which includes the latter four components.
Which of the following lipid tests is LEAST affected by the fasting status of the patient?
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Question 12Selectable Answer
A slow, progressive drift of values away from the mean is called a trend. Trends occur when a particular analyte value slowly and progressively changes in one direction from one run to the next. Monitoring data for trends is part of good laboratory practice and is one indicator of many that helps laboratorians determine whether the measurement system is fucntioning appropriately.
A slow, progressive drift of values away from the mean is called a:
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Question 13Selectable Answer
Considering the reactions given in this case study, Yersinia enterocolitica would be the best choice.
Most strains of Plesiomonas shigelloides, Escherichia coli, and Pasteurella multocida are urease negative. Also, Plesiomonas shigelloides demonstrates a K/A reaction on a TSI slant.
The stool specimen from a patient admitted to the hospital with symptoms of appendicitis has a culture with the following characteristics:
Gram-negative bacillus
Catalase positive
Urease positive
Weakly fermentative
TSI Slant is A/A
These reactions suggest that the organism is MOST likely:
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Question 14Selectable Answer
Provide the equivalent measurement for 1 decimeter.
