Centrifugation Study guides, Class notes & Summaries

MLS ASCP Study Guide 2024 With Complete Solutions /100% Grade A Insufficient centrifugation will result in A false increase in hematocrit value Variation in red cell size observed on the peripheral smear is described as Anisocytosis Which of the following is the preferable site for bone marrow aspiration and biopsy in an adult ? Iliac crest Mean cell volume ( MCV ) is calculated using the following formula Hct RBC ) × 10 What term describes the change in shape of erythr...

QBM Final Exam Questions And Answers With Complete Solutions 2024 Define recombinant DNA technology Using molecular biology technique such as cloning, PCR, restriction enzymes digestion, and gel electrophoresis to take a gene from one source and joint it with another piece of DNA, creating a new recombinant DNA molecule that can be inserted in bacteria and further studied. What are 3 characteristics of DNA ? - Double strand - 5' to 3' directionality - antiparallel - base pairing [ad...

Molecular Cell Biology Final EXAM QUESTIONS AND CORRECT ANSWERS(VERIFIED ANSWERS)|AGRADE Separation of most blood cells is difficult, if not impossible, to achieve because they have similar properties and/or densities. What procedure is used to separate T-cells of the immune system from the many other different types of white blood cells or spleen cells? What feature of the T-cell facilitates the isolation protocol? Describe how this procedure is performed. - ANSWER- Flow cytometr...

The most commonly performed test for anticoagulation therapy is: - Answer the prothrombin time If a urine specimen cannot be tested within ________ it should be refrigerated. - Answer 1 hour Insufficient centrifugation while performing a microhematocrit will result in: - Answer a false increase in hematocrit value A decrease in the number of white blood cells is known as: - Answer leukopenia Which urine parameter would be abnormal when a patient has been fasti...

Which alpha thalassemia shows no anemia, although a slight decrease in the MCV and MCHC may be seen? Alpha Thalassemia silent carrier What MINIMUM level of a particular factor will cause the APTT test to become PROLONGED ? Less than 40% Which abnormal morphologic terms describes this slide ? Dohle Bodies, bacteria, Toxic Granulation Light yellow green pigmentation of the mycelium is observed, the identification of the isolate depends on the presentation of the fruiting bo...

What is hemoglobin composed of? 4 heme, 4 iron, 4 globins What disorder does a defect in heme synthesis lead to? Porphyria Porphyria Deficiency in the enzymes of the porphyrin pathway leads to insufficient production of heme. The principal problem in these deficiencies is the accumulation of porphyrins, the heme precursors, which are toxic to tissue in high concentrations. What is methemoglobin? Methemoglobin is a form of hemoglobin that contains ferric [Fe3+] iron and h...

BIOL 266 Final Exam 2024 Actual Questions and Answers Graded A   BIOL 266 Final Exam 2024 Actual Questions and Answers Graded A = Correct answer = We don’t have the answer Exam 1: MULTIPLE CHOICES: 1. You have isolated a mutant line of mammalian cells deficient in emerin. This mutant line is expected to be impaired in: A. Export of 40S and 60S ribosomal subunits from the nucleus B. Ribosome assembly in the nucleolus C. Transcription of some genes in certain ti...

Molecular Cell Biology Final EXAM QUESTIONS AND CORRECT ANSWERS(VERIFIED ANSWERS)|AGRADE Separation of most blood cells is difficult, if not impossible, to achieve because they have similar properties and/or densities. What procedure is used to separate T-cells of the immune system from the many other different types of white blood cells or spleen cells? What feature of the T-cell facilitates the isolation protocol? Describe how this procedure is performed. - ANSWER- Flow cytometry is used to...

QBM Final Exam Questions With 100% Correct Answers What is the definition of Molecular biology - answerStructure and function of macromolecules (proteins and nucleic acids) What is the central dogma of DNA? - answerDNA ⟶ RNA ⟶ Proteins What BSL corresponds to minimal hazards? - answerBSL-1 What does BSL-1 correspond to? - answerminimal hazards What BSL corresponds to organisms with potential hazards? - answerBSL-2 What BSL(s) require proper protective equipment? - answerBSL2-4 Under...

A. A false increase in hematocrit (Hct) value Insufficient centrifugation does not pack down the red blood cells; therefore, the Hct, which is the volume of packed cells, will increase. - ANSWER-Insufficient centrifugation will result in: A. A false increase in hematocrit (Hct) value B. A false decrease in Hct value C. No effect on Hct value D. All of these options, depending on the patient A. Anisocytosis A A mature erythrocyte is approximately 7-8 μm in diameter. Variation in normal ...