A specimen should be protected from light for which of the following determinations? When blood is put in a centrifuge and spun, the antibodies released by plasma B lymphocytes are found almost entirely in the a. plasma. Low specific gravity. What tree tests must be transported at 37C (body temperature? SM23-24. Predict the order of elution of the components in this mixture. A small, opaque disk (about 1 cm in diameter) is placed between the illuminator and the condenser lens. 5. denver school of nursing lawsuit which specimen was in the heat block why Routine urinalysis specimens that cannot be analyzed within 2 hours require: Which of the following is typically included in a routine UA? A hardness test is typically performed by pressing a specifically dimensioned and loaded object (indenter) into the surface of the material you are testing. Assuming the specimens were handled properly: 1. Included PT-1000 temperature sensor allows temperature control directly in the sample vessel. As general rule of thumb, blood specimens should be transported to the laboratory for testing within which of the following time periods to prevent erroneous test results? a. a positive skin test for TB b. a calcified tubercle shown on a chest X-ray c. identification of acid-fast bacilli in a sputum sample d. a history of exposure to individu. Extra large Heater Block to even out the temperature changes under extrusion more. In conduction, faster-moving molecules . Involves inserting a needle directly into the urinary bladder and aspirating the urine directly into a sterile syringe. b. A pooling of all urine voided in a 24-hour period. Exposure to excessive heat or cold can cause RBC rupture and hemolysis. b. bilirubin a. 2) An aluminum specimen with a defect as shown having a thickness of 2 mm width 22 mm, the defect has a hole of 4.8S mm radius, the crack length is 12.5 mm from tip to tip the length of the specimen was 65 mm , this specimen is subjected to a tensile foree up to 6200 N, it fractured at Find the ultimate stress Which of the following tests might it have been? Which site is typically used when performing a sweat chloride test on a toddler? d. glucose, Which analyte is photosensitive? Instructions: a completely filled tube is necessary because the correct ratio of blood to citrate is critical (9: . Preanalytical errors include transportation variables. Here is a complete list of tests we perform. The process of leukocytes squeezing through the capillary [{Blank}] to exit the vasculature is known as [{Blank}]. Connect a thermometer (0-100 o C) on top of the boiler to measure the temperature of the specimen. Non-additive and gel-barrier serum tubes, such as SSTs, can be centrifuged when? b. testing the wrong aliguot for a glucose test Is a heat block adequate to use? The blocks should be tested with in 3days after collected in lab. Consider a sample that is a mixture composed of biphenyl, benzoic acid, and benzyl alcohol. Serial urine specimens collected at specific times for C & S. Which urine spec is obtained by inserting a sterile needle directly into the urinary bladder and aspirating urine? Hydraulic testing machines (Fig. fetal lung maturity. Chills due to the donor blood being colder than normal body temperature Kidney shut down due to too much blood being infused at once RBCs lyse and hemoglobin levels increase in the blood stream Dehydration due to incomp. a. Aldosterone b. Aldolase c. Cortisol d. Creatinine. Select the correct answer. Try . Zoisite var. Urine cytology studies look for presence of, Suspected pregnancy can be confirmed by testing urine for this hormone. Blood volume C. Blood vessel diameter D. Metabolism. d. Booze content. 8:00am= 0800 "0 eight-hundred hours" If you are testing someone's HCG and they are not pregnant what are you testing for? Which urine test requires midstream catch specimen? which specimen was in the heat block why which specimen was in the heat block why. d. The container must be watertight and contain absorbent material, d. The container must be watertight and contain absorbent material, a potentially life-threatening test result, Which one of the following would be considered a preexamination/preanalytical error? Study with Quizlet and memorize flashcards containing terms like Why is specimen handling so important?, Proper specimen handling begins, You are the only phlebotomist on duty. Which of the following statements is true of a urine creatinine clearance test? A: Yes, blood specimen collection tubes are in shortage, including sodium citrate tubes. Serum should be removed from blood cells after which time period? Preparing for lumbar puncture . a. slowing down of metabolic processes b. hemolysis c. increasing bacterial reproduction d. poor separation during centrifugation a. slowing down of metabolic process What is the likely consequence of inadequate mixing of a gel separation tube? CLSI guidelines sets the maximum time limit for separating serum and plasma fro the cells at how long? What type of specimen preferred for pregnancy testing? Another great question from Kim Kinney at Clarian in Indy: Clarians newest affiliate, Ball Memorial in Muncie, IN will beopening their new lab the first of December. Creatinine clearance. Which of the following is least likely to have caused the hemolysis? Then either place the slide in the slide holder of a microincinerator, or pass the dried slide through the flame of a Bunsen burner 3 or 4 times, smear side facing up. This paper investigated the thermal properties of hollow shale blocks and walls. Its a safe and convenient tool used to heat samples in flasks, tube, and vials, which is ideal for obtaining consistent results and precise temperature stability. Give the common name for each of the following: CH3CH2CH2OCH2CH2CH3CH_3 -CH_2 -CH_2-O-CH_2 -CH_2 -CH_3 b. At the steady state, heat conducted through the bad conductor is equal to heat radiated from the Lees disc. a. A+, B+, AB+, O+ b. A-, B-, AB-, O c. both a and b d. None of the above. Transporting a specimen for cold agglutinin testing includes. b. c. increasing bacterial reproduction 5 Beds. The small plastic chip containing the desired specimen must then be sawed out of the block and glued to a dowel or piece of cast plastic for sectioning. Use the value of Q calculated in part A and Equat ion 2 to calculate s, the specific heat of the mineral. a. Vitamin K b. Thiazide diuretics c. Nonsteroidal anti-inflammatory analgesics d. Vitamin C, A positive tuberculin test indicated: a) Active tuberculosis b) The person has been infected with tubercle bacilli. e. Stain color. What would be a reason to reject specimen for analysis? Furthermore, these blocks allow for greater versatility as well as convenient replacement, cleaning, and disinfection. c. 4 hours The traditional standard glucose tolerance test (GTT) requires individual urine specimens collected. Flip the slide without specimen on it over. water, in joules (again, the specific heat of water is 4.184 g J C. There are different types of blood and specimens that can be transported, including: Whole blood Packed red blood cells Platelets Plasma Urine Stool samples Biopsies Each sample type has specific transportation requirements, so it is essential to know what you are transporting and follow the proper guidelines. What is the best way to chill a specimen? No change in the appearance of blood cells as they have not been digested. . a. Gross specimen examination. hemolysis, QNS, clotting, ID issues, wrong/outdated tubes. Remove one specimen from the furnace with 2 specimens and cool it in air on a brick. The ingredients of the heat block . 22. which specimen was in the heat block why. Why must you transport tubes with stopper up? - anemia. Examples: 8:00am= 0800 "0 eight-hundred hours" 10:15am= 1015 "ten fifteen" 1:30pm= 1330 "thirteen thirty". With exacting temperature-uniformity range requirements of the furnace and test specimen, it can take a few hours to reach and stabilize to the required So keep up the good practice of checking each well. Down's syndrome Lactic acid c. Royal blue with a lavender-coded label. This type of specimen is sometimes used to compare urine concentrations of glucose and ketones to blood concentration. bilirubin, Vitamin B's, red/serum folate, Vit C, carotene. (a) What is the maximum load that may be applied to a specimen with a cross-sectional area of 325 mm2 (0.5 in.2) without plastic deformation? Under the influenced of PTH, the kidney: a. increases calcium reabsorption. d. The container must be watertight and specimen tubes individually wrapped, d. The container must be watertight and specimen tubes individually wrapped, Which of the following is the required characteristic(s) of a secondary container used for transporting blood specimens by air? Tanzanite singles are widely available of different . A plastic urine collection bag with hypoallergenic skin adhesive is used to collect a urine specimen from an infant or child who is not potty trained. Specimen variables. Approximately how long does it take for a normal blood specimen to clot at room temperature? Surface heat treatment. d. The Takayama assay acts on hemoglobin. 4 Use Figure 5 to determine the time taken for the stearic acid to change from a liquid to a solid. When should hematology test specimens drawn in lavender or purple stopper (EDTA) tubes and specimens for other tests performed on whole blood be centrifuged? (a) bone marrow (b) thyroid (c) spleen (d) bursa of Fabricius (e) None of the above. d. blood cultures. c. O Rh (D) Neg. What additional equipment item is necessary when transporting a specimen at 37*C? Heat fixing kills cells, and adheres them to the slide. Which of the following statements is true? c. chilling of the specimen e. Total nonprotein nitrogen. - whole plasma. What do you do? is further testing indicated? Transportation and handling variables. The student begins to walk directly toward the screen at speed v. The central maximum on the screen is stationary. b) Bilirubin is used by the liver in the synthesis of red blood cells. Why should blood and urine specimens for microbiological culture be transported to the laboratory quickly? Based on available information, the FDA determined several types of blood specimen collection tubes are. b. warming of the specimen What is a urine tolerance test specimen and how is it collected? The block heater is ideal for melting and boiling. Confirm results, date the release of results, and forward a permanent copy to the clinical records Fill in the blanks with correct answers. 20.Q2 Give one reason why coastal regions tend to have a more moderate climate than inland regions. A student is given eight red blood cell suspensions, which contain only red blood cells, and the serum from each sample. What is the 2-hour postprandial urine specimen and what does it test for? Positive control: The ELISA turns a very dark yellow. She has type A blood. On the other hand, if I had heat blocks on hand, I would probably just use them rather than go to the expense of buying new water baths. Packaging must include an inner/primary package and and outer/secondary container. d. icy water. b. bilirubin level Junho. What would be a reason to reject specimen for analysis? One example is a specimen collected for bilirubin testing that is obtained from a newborn.

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