ASCP

Which of the following lamps provides a continuous spectrum of radiant energy in the visible, near IR, and near UV regions of the spectrum? A. Tungsten-filament B. Hydrogen C. Deuterium D. Mercury vapor - ANS A most common light source for photometry in the visible region. continuous spectrum (360-800 nm). near IR and UV. Hydrogen and Deuterium (200-375 nm) Mercury vapor- not a continuous spectrum, emitting radiation at specific wavelengths Which of the following isolates light within...

1. Procainamide: NAPA 2. loose clusters of small spherical microconidia, positive urease: Trichophyton mentagrophytes 3. BHCG tumor marker: chorocarcinoma 4. 5HIAA: carcinoid tumors 5. Proteus vulgaris vs P. mirabilis indole test: P. vulgaris is indole pos. P. mirabilis is indole neg 6. Hydatid cyst fluid: used to neutralize Anti-P1 antibody 7. Antacid overdose: Check pH 8. Prolonged PT, PTT, and thrombin after collecting from catheter: heparin contamination 9. mixing study that was pe...

____________ and ____________ are required for heme synthesis correct answer: iron and protoporphyrin Fe Transport protein correct answer: Transferrin Major Fe storage form correct answer: Ferritin H2O insoluble Fe storage form (long-term) correct answer: Hemosiderin Excess iron that is stored in tissues and body organs can lead to ____________ and ____________ correct answer: hemosiderosis and hemochromatosis (organ damage) What are the heme precursors (in order) correct ans...

According to the Clinical and Laboratory Standards Institute (CLSI) no more than how many hours should pass between collection and separation of cells from plasma or serum? Correct Answer: 3 An impatient employee opens a centrifuge while it is still active. This can result in what? Correct Answer: Aerosolization of hazardous specimens Which of the following personnel examines cells under the microscope to detect signs of cancer in the earliest stages? Correct Answer: cytotechnologist ...

What is the diagnostic procedure for Echinococcus granulosus? Correct Answer: The microscopic examination of hydatid fluid aspirated from a cyst. What is the diagnostic procedure for Onchocerca volvulus? Correct Answer: Examination of skin snips. What is the diagnostic procedure for Schistosoma haematobium? Correct Answer: Examination of urine sediment. Charcot-Leyden crystals in stool may be associated with an immune response and are thought to be formed from the breakdown products ...

Pyrimidine Correct Answer: One carbon ring Cytosine, Thymine, Uracil Purine Correct Answer: Two carbon rings Adenine, Guanine How are nucleotides joined together? Correct Answer: Condensation to form phosphodiester bond What is the function of mRNA? Correct Answer: Carries genetic info out of nucleus Transcript translated to protein What is the function of tRNA? Correct Answer: Carries aa to ribosome Anticodon pairs with codon on mRNA strand What is the function of rRNA? ...

Based on the indirect immunofluoresence pattern performed on serum, what would be the most appropriate antibody follow-up test? Correct Answer: Centromere The flow cytometric results gated on peripheral blood lymphocytes are most consistent with what disease state? CD19 = 68 and CD20 = 72, CD5= 97 Correct Answer: B-cell chronic lymphocytic leukemia (CLL) Mechanisms involved in the complement cascade include: Correct Answer: opsonization and inflammation The rapid plasma reagin (RPR) ...

What is produced from megakaryocytes? Correct Answer: platelets Life span of platelets Correct Answer: 9-12 days Distribution of platelets Correct Answer: 30% spleen 70% peripheral blood What factors are vitamin k dependent? Correct Answer: 1927 (10, 9, 2, 7, Protein C, and protein S) Which factors are consumed in clotting? Correct Answer: I II V VIII XIII What factors in the intrinsic pathway? Correct Answer: XII XI IX VIII What factors are in the extrinsic pathway? Corr...