ASCP Medical Laboratory Technician - MLT Final Exam Quiz Study Guide, Exams of Histology

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ASCP Medical Laboratory Technician

MLT Final Exam Quiz Study Guide

Answers 100% Pass

David Mungai [Date] [Course title]

ASCP Medical Laboratory Technician

MLT Final Exam Quiz Study Guide

Answers 100% Pass

1. DR antigens are found in which of the following systems? - Answer>> HLA system
2. Which one of the stains below is used to detect separated nucleic acids - Answer>> SyBr Green
3. Minimum inhibitory concentration (MIC) susceptibility tests should be performed against other beta lactam antibiotics on important S. pneumoniae isolates from blood cultures and other sterile body fluids when a MIC for penicillin is performed? - Answer>> False
4. If you notice something in your laboratory that is a potentially hazardous situation, but is out of your control to fix, what should you do? - Answer>> Tell your supervisor or laboratory administrator
5. Which of the following best describes a hemoglobinopathy? - Answer>> A substitution of an amino acid in the hemoglobin chain.
6. Lymphocyte pleocytosis refers to a decreased number of lymphocytes in a CSF when compared to a normal sample? - Answer>> False
7. The susceptibility of a bacterium to each drug on a sensitivity plate using antibiotic disks is demonstrated by the diameter of the zone of? - Answer>> Inhibition

16. According to the National Diabetes Data Group recommendations, which of the following statements is TRUE with regards to the following findings? - Answer>> Fasting glucose = 130 mg/dl 2-hour post prandial glucose = 210 mg/dl
17. Where is the main site of action for monocytes after diapedesis? - Answer>> Body Tissues Polymerase chain reaction (PCR) copies DNA through repeated cycles of three basic steps. What is the correct order of these steps? - Answer>> A. Denaturation, annealing, and synthesis at 72°C The dematiaceous colony illustrated here grew to a diameter of 3

• 4 cm in 5 days. The dematiaceous fungus that can be ruled out is: - Answer>> Phialophora verrucosum

20. Enterococci can possess both intrinsic and acquired resistance. Which of the following represents the intrinsic resistance of a typical enterococcal strain? - Answer>> Resistance to clindamycin and trimethoprim-sulfamethoxasole Resistance to cephalosporins Which of the following is true of genotype screening in pharmacogenomics? - Answer>> Genotyping does not take into account drug interactions which can affect metabolism A population of small lymphocytes is gated for further evaluation in the flow cytometry laboratory. The scatterplot for one of the evaluations is shown on the right. How would you interpret this scatterplot? - Answer>> Cells in the gated population are coexpressing CD5 and CD20 (red cells in the Q2 square)

A technologist is evaluating the red blood cell morphology on a peripheral blood smear. The image on the right is a representative field from the smear. How should the technologist describe the red blood cell morphology? - Answer>> A. Macrocytic, normochromic Corneal tissue may be transplanted successfully from one patient to another because? - Answer>> A. The cornea occupies a privileged site not usually seen by the immune system

26. In which of the following conditions would you expect to find Howell-Jolly bodies? - Answer>> Hyposplenism (low functioning spleen) Hypospleenism (low functioning spleen) Prozone effect? - Answer>> False negative due to antibody excess Postzone effect? - Answer>> False negative due to antigen excess
27. 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: - Answer>> A. Can be easily disseminated or transmitted person-to-person The most likely cause of an elevated serum potassium level in an apparently normal individual is - Answer>> Hemolysis Which of the following is most likely to interact with arterial walls, leading to deposition of cholesterol, and initiating or worsening atherosclerosis? - Answer>> Small Dense LDL

staining strands in the shapes of rings, figure eights, or the letter B Cabot Rings - Answer>> Dohle Body - Answer>> The most common Rh haplotype among whites is: - Answer>> DCE The increased resistance of MRSA strains to beta-lactam antibiotics is due to production of which of the following penicillin binding proteins (PBPs)? - Answer>> PBP 2a Which is not an application of real-time PCR? - Answer>> Amplification of DNA for northern blot B. Gram positive cocci isolated from a catheterized urine culture on a 76-year-old male gave the following reactions: - Answer>> A. Amplification of DNA for northern blot B. Gram positive cocci isolated from a catheterized urine culture on a 76-year-old male gave the following reactions: C. Blood agar- creamy, white, opaque colonies D. Catalase- positive E. Slide coagulase- negative F. Tube coagulase- negative G. Novobiocin- susceptible H. The next action the MLS should take is: A. Report the isolate as coagulase negative staphylococcus The best way to evaluate single nucleotide polymorphism (SNP) is by melting curve analysis? - Answer>> True

40. Match the urine sediment or crystal to the correct description - Answer>> A: ALKALINE URINE Amorphous Phosphates, Triple Phosphate,Ammonium biurate, Calcium Carbonate B. ACIDIC URINE Bilirubin, Cholesterol,Calcium Oxalates, Amorphous Urates What section of the MSDS would provide information about whether a chemical is carcinogenic? - Answer>> Health Hazzard Data The presence of gram-negative intracellular diplococci in a genital specimen from a FEMALE is diagnostic of gonorrhea. - Answer>> False Which of the following does NOT have an impact on electrophoresis techniques in the clinical lab? - Answer>> amount of light present in electrophoresis box Following a myocardial infarction which of the following enzymes will be the first to become elevated: - Answer>> CK Lymphocyte - Answer>> Nucleated Blood Cell - Answer>> A phlebotomist at a local hospital recently had an accidental needle stick while drawing blood from a patient being treated for acute hepatitis B. Which serological marker from the patient would be of most value to the physician evaluating the phlebotomist's possible infection status? - Answer>> Hepatitis B e Antigen (HBeAg)

54. Autologous blood must be tested for which of the following before transfusion - Answer>> ABO & Rh
55. How many white blood cells (WBCs) would be considered normal for adult cerebrospinal fluid? - Answer>> 0-5 WBCs/μL
56. Match the names of the PCR stages to their definitions - Answer>> A. DENATURATION - The DNA is heated to break the hydrogen bonds resulting in single stranded DNA. B. ANNEALING - The DNA primers attach to the DNA strands. C. EXTENSION - The DNA polymerase synthesize new strands of DNA. Denaturation - Answer>> The DNA is heated to break the hydrogen bonds resulting in single stranded DNA Annealing - Answer>> The DNA primers attach to the DNA strands. Extension - Answer>> The DNA polymerase synthesize new strands of DNA.
57. A pregnant patient whose initial test for gestational diabetes was elevated, has orders for a three-hour glucose tolerance test. The three-hour glucose tolerance test includes two specimens: a fasting blood glucose and a specimen collected three hours after drinking a 100-gram dose of glucose solution. - Answer>> False Which of the following is the MOST IMPORTANT first step to take when a patient is transfused with un-crossmatched RBCs that turn out to be incompatible? - Answer>> stop the transfusion in progress

59. A laboratory labels its secondary containers of hazardous chemicals using a color-coded system, with a different color representing each different type of hazard. The coding system follows the color-coding used by the National Fire Protection Agency's "fire diamond." What hazard would be represented by the yellow section on the hazard label? - Answer>> Reactivity hazard B. Feedback C. The yellow portion of the NFPA diamond represents the reactivity hazard. The reactivity hazard classification from the NFPA is as follows: D. • 0 - Stable Basophilic Stippling - Answer>>
60. Which of the following is NOT a Westgard rule violation and would not be a cause for rejecting a QC run? - Answer>> 22S What type of agar does Haemophilus Influenzae grow on? - Answer>> sheep blood augar Chocolate Which type of spectrophotometric blank should be used to account for absorbance differences caused by the specimen being tested? - Answer>> Serum Blank
61. This organism has been placed in tryptocase soy broth and then streaked on a nutrient agar plate. Strips contain X, V, and XV were place on the plate and it was incubated 24 hours with CO2. What is the identification of this organism? - Answer>> Haemophilus Influenza

RESEMBLING malarial parasites is found in the peripheral blood, it is MOST probably: - Answer>> Babesia

72. Which of the conditions listed below must be met before a unit of Red Blood Cells that has been issued and returned can be reissued? - Answer>> A. The container has a tamper-proof seal and the seal remains unbroken.
73. Another term for absorbance is: - Answer>> Optical Density
74. A sample of cerebrospinal fluid is diluted 1:100; the standard 9 squares of a hemocytometer were counted on each side for a total of 18 large squares. What is the cell count per microliter? - Answer>> Side 1- 186 cells counted Side 2- 184 cells counted total cells = 370 2.06 x 104 (10 to 4th power)
75. The time needed for the retention of laboratory records is NOT defined by regulation and law, but is dependent upon the needs of each laboratory. - Answer>> False
76. Which one of the following statements about fingersticks is correct? - Answer>> A. Use the middle and 4th finger
77. Which one of the following statements about directed donations is true: - Answer>> They are often perceived by the recipient or his family as safer than random donor units Bioavailability of an oral drug refers to the A. fraction of the drug that is absorbed into systemic circulation

80. A 34-year-old female was seen in the dermatology clinic for some lesions on her fingers that had not responded to topical antimicrobial therapy. Tissue was biopsied and sent for histological examination, routine, AFB and fungal cultures. There was no growth on any culture. Acid fast bacilli were seen in the histological preparations. The tissue culture for AFB had been incubated both at 35oC and 32oC, in liquid media and on media with hemoglobin added for several weeks. What is the most likely diagnosis of her skin lesions? - Answer>> Leprosy
81. Where does most cerebrospinal fluid (CSF) originate? - Answer>> Choroid Plexis
82. How close the assayed value of an analyte is to its actual value is a reflection of? - Answer>> Accuracy of the Assay
83. If the mother is a Rh immune globulin (RhIg) candidate, blood safety standards mandate that a test for weak D is compulsory when initial D typing shows a newborn to be Rh negative. - Answer>> True
84. While performing a peripheral blood smear review, you observe the cells indicated by the arrows on this Wright-Giemsa stained slide. How would you classify these cells? - Answer>> A. Polychromatophilic RBC's
85. Identify whether the underlined phrase is the dependent or independent variable. The data showed that the more hours a student studied before the test, the higher the score he or she was likely to get. - Answer>> Dependent