ASCP

A donor experiences perioral paresthesia during an apheresis procedure. Which of the following should be performed? a. Increase the flow rate. b. Reduce the flow rate. c. Elevate the donor's feet. d. Have the donor breathe into a paper bag. Correct Answer: b. Reduce the flow rate. A unit of autologous blood tested repeatedly reactive for HBsAg. The patient is scheduled for surgery in three days. What action should be taken? a. Discard the unit. b. Send the unit with a biohazard label ...

Which is required to generate cDNA A. DNA polymerase B. RNase H C. Restriction Enzyme D. Helicase Correct Answer: B What is the function of Taq Polymerase Correct Answer: recognize dsDNA You have a 50 μL primer stock at 9pM/μl and want dilute the stock to 900nM. How much stock should you add(what is the dilution factor) Correct Answer: 2 What gene causes hypersensitivity to Irinotecan? Correct Answer: UGT1A Which allele causes hypersensitivity to Carbamazepine? Correct Answ...

Acetic Acid Correct Answer: Non coagulant, penetrates quickly and leaves tissues very soft. Used often as an additive to precipitate and preserve the nucleoproteins and fix the nuclei. Acetic Acid Correct Answer: Swells tissues dramatically by breaking collagen bonds and allowing bonds to absorb water. Used as additive to counter-act the shrinking effect of other fixatives. Formaldehyde Correct Answer: Non coagulant and additive fixative that reacts with amino groups that link protein c...

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 ...

Bilirubin, total reference range Correct Answer: 0.2 - 1 mg/dL BUN reference range Correct Answer: 6 - 20 mg/dL Calcium, total reference range Correct Answer: 8.6 - 10 mg/dL Chloride reference range Correct Answer: 98 - 107 mEq/L Creatinine (male) reference range Correct Answer: 0.9 - 1.2 mg/dL Creatinine (female) reference range Correct Answer: 0.6 - 1.1 mg/dL Glucose, fasting reference range Correct Answer: 70-99 mg/dL Potassium reference range Correct Answer: 3.5 ...

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 ...

Erythema Muliforme Correct Answer: "target" archer's bull's eye lesion Osler-Weber-Rendu Syndrome Correct Answer: Port wine stain, mucus membranes with hemorrhage Angiosarcoma (hemangiosarcoma) Correct Answer: Liver cancer with malignant vascular tumer from exposure to polyvinyl, arsenic and others Kaposi Sarcoma Correct Answer: AIDS, red-purple macules lower extremities Pellagra Correct Answer: B3 deficiency Megloblastic Anemia Correct Answer: B12 (Neurologic dysfunctio...

Which of the following is part of the standard protocol when doing a bleeding time? Correct Answer: A butterfly-type bandage is used When collecting blood using a syringe, samples should be placed into evacuated tubes in the following order: Correct Answer: Blue, lavender, red The outer layer of the heart is the: Correct Answer: Epicardium A platelet count of 650,000 per cubic millimeter is termed: Correct Answer: Thrombocytosis A phlebotomist with 6 collection orders for patient...

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? ...

For a certain method, a control has a mean result of 12 with a standard deviation (SD) of 2. What is the acceptable 95% range for this control? Correct Answer: 8 - 16 The best sample to obtain in order to diagnosis the parasite causing the posterior scalp nodule as illustrated in the photograph is: Correct Answer: Superficial skin snip Almost all individuals possess which Lutheran antigen profile? Correct Answer: Lu(a-b+) Which one of the following statements concerning Tamm-Horsfall...