ASCP TESTS COMPILATION BUNDLE

Which formula correctly describes the relationship between absorbance ant % T? Correct Answer: A = -log T= log 1/T absorbance of light increases with increasing concentration of absorbing solution. Correct Answer: Beers Law If a fasting glucose was 90 mg/dL, which of the following 2-hour pos...

Name the locations of active marrow in adults: - sternum, skull, ribs, pelvis, vertebrae Where does hematopoiesis take place during the first 2 months of gestation? - yolk sac Where does the majority of hematopoiesis take place during the 2nd through 7th month of gestation? - spleen When does the bo...

The light-colored zone adjacent to the nucleus in a plasmacyte is the: A. ribosome B. chromatin C. mitochondria D. Golgi area Correct Answer: D. Golgi area The majority of the iron in an adult is found as a constituent of: A. hemoglobin B. hemosiderin C. myoglobin D. transferrin Corr...

Histoplasma capsulatum Correct Answer: Histoplasma capsulatum Which bacteria is H2S negative? Correct Answer: salmonella paratyphi A Which bacteria are H2S positive? Correct Answer: salmonella typhi citrobacter spp. proteus spp. Which statement is correct regarding clinitest? Correct A...

Dolichus biflorus aglutinates Correct Answer: A1 and A1B Red Cells Bandeiraea simplicifolia aglutinates Correct Answer: B Cells Rejuvenation solution restores ___ & ___ in donated red cells Correct Answer: 2,3-DPG & ATP BUN Correct Answer: blood urea nitrogen BNP Correct Answer: B-t...

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 ...

The following are compounds formed in the synthesis of heme: 1 coproporphyrinogen 2 porphobilinogen 3 uroporphyrinogen 4 protoporphyrinogen Which of the following responses lists these compounds in the order in which they are formed? Correct Answer: 2, 3, 1, 4 The majority of the iron in a...

Which of the following condition is the most common cause of increase anion gap? A.Metabolic alkalosis B. Metabolic acidosis Respiratory acidosis Respiratory alkalosis Correct Answer: B. Metabolic acidosis High anion gap metabolic acidosis is caused generally by the body producing too much a...

antler hyphae Correct Answer: M. audouinii What grows on chocolate agar Correct Answer: Haemophilus spp. *requires X and V factor Double zone of hemolysis and beta lactamase Correct Answer: Clostridium perfringens Which increases first after an MI Correct Answer: myoglobin Which of ...

Nephelometry involves the measurement of A. Light scatter B. Atomic absorption C. Light absorption D. Light transmission - C. Light absorption When light strikes a particle in a solution, it can be absorbed, transmitted, reflected, or scattered. Nephelometry is used to measure the light scattered by...

In absorption spectrophotometry: A) Absorbance is directly proportional to transmittance B) Percent transmittance is directly proportional to concentration C) Percent transmittance is directly proportional to the light path length D) Absorbance is directly proportional to concentration - Absorbance ...

B; The correct answer for this question is 1300 mg/dL. The laboratorian performed a 1:4 dilution by adding 0.25 mL (or 250 microliters) of patient sample to 750 microliters of diluent. This creates a total volume of 1000 microliters. So, the patient sample is 250 microliters of the 1000 microliter ...

According to AABB Standards, which of the following allogenic donors may be accepted as a blood donor? Correct Answer: Spontaneous abortion at 2 months of pregnancy, 3 months ago. Which of the following is the correct storage temperature for the component listed? Correct Answer: Fresh Frozen Pl...

Standard precautions apply to all of the following except: a. Blood b. Cerebrospinal fluid c. Semen d. Concentrated acids Correct Answer: d. Concentrated acids The most important practice in preventing the spread of disease is: a. Wearing masks during patient contact b. Proper hand washing...

What type of serological testing does the blood bank technologist perform when determining the blood group of a patient? Correct Answer: phenotyping If anti-K reacts 3+ with a donor cell with a genotype KK and 2+ with a Kk cell, the antibody is demonstrating: Correct Answer: Dosage Carla...

pbt has just completed centriuging specimens for the chemistry department and notes that one of the tubes is cloudy and pinkish red. This specimen is Correct Answer: lipemic and hemolyzed this test will be delivered to immunology for testing Correct Answer: RPR physician calls the lab reques...

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 y...

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 ...

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 inf...

Indole Positive and Negative example. Correct Answer: Positive: E. coli Negative Kleb. pneumo Methyl red Positive and Negative example. Correct Answer: Positive: E. coli Negative: Kleb. pneumo Citrate Positive and Negative examples. Correct Answer: Positive: Kleb. pneumo Negative: E. col...

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 laye...

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, arseni...

Hypertrophy Correct Answer: Increased cell and organ size, often in response to increased workload: induced by mechanical stress and by growth factors; occurs in tissue incapable of cell division Hyperplasia Correct Answer: Increased cell numbers in response to hormones and other growth factors...

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 Schistos...

Which of the following is not a component of a nucleotide? Phosphate group Anti-codon Ribose sugar Nitrogen base Correct Answer: Anti-codon According to Chargaff's rule of base pairing, adenine pairs with: Correct Answer: Thymine What genes would be screened in a breast cancer panel? Co...

What kind of bond do histones have with DNA? Correct Answer: Ionic What amino acids compose histones? Correct Answer: Lysine and Arginine Which lymphoma has t-cell rearrangements? Correct Answer: Sezary Syndrome Acute Promyelocytic leukemia translocation? Correct Answer: t(15,17) Lea...

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...

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 Answe...

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 absor...

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...

A blood bank is also referred to as Correct Answer: Immunohematology the pbt has orders to draw a K+ on a patient awaiting dialysis and proceeds to the following division: Correct Answer: Nephrology pbt has just completed centriuging specimens for the chemistry department and notes that one ...

Illustrated in the photomicrograph is the tail portion of an adult worm of a filarial nematode as it may be observed in a peripheral blood smear. These worms measure up to 300 um in length and commonly inhabit the lymphatics. This nematode species more commonly involves the lymphatics of the inguina...

Protective isolation may be required for all of the following patients except A. Neutropenic Chemotherapy Patietns B. Burn Patients C. Infants D. AIDS Patients Correct Answer: C. Infants Use of a N95 respirator is not required in the case of A. A child with chickenpox B. A child with measl...

CHROMagar MRSA agar Correct Answer: can be used to distinguish Methicillin-Sensitive Staphylococcus aureus and coagulase negative staphylococci from Methicillin-Resistant Staphylococcus aureus by the addition of oxacillin or cephamycins. In addition, each organism will produce a different color. MR...

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...

Chemicals that send signals between cells are Correct Answer: Cytokines Antibodies are made by what cells? Correct Answer: Plasma cells Where do B cells mature? Correct Answer: Bone Marrow Where do T cells mature? Correct Answer: Thymus Coating of a cell with antibodies or complement...

3 pairs of hooklets in an ovum Correct Answer: Hymenolepis Diminuta Which is the agent of hand, foot and mouth disease of humans? Correct Answer: Coxsackie A. Detection of antigen in urine specimen can be used for which of the following type of pneumonia infection a. Fusobacterium B. Y. P...