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- QUESTION 45 would be best suited to study the movement of a living white blood cell. a. Light microscopy b. Freeze fracture c. Scanning electron microscopy O d. Cell fractionation e. Transmission electron microscopy Click Save and Submit to save and submit. Click Save All Answers to save all answeQUESTION 2 Ability of the test to correctly identify those with the disease is defined as its: A. Accuracy B. Specificity C. Sensitivity D. PrevalenceQUESTION 4 4.1. As a laboratory assistant working in a biomedical science laboratory, explain how you would advise students working with volatile acid solutions to avoid accidents that might occur. 4.2. Name three (3) major processes involved in western blotting. 4.3. Explain how monoclonal antibodies are produced. In your answer, describe how they can be used in the detection of prostate cancer.
- Question 12 A test cross is AA X aa Da. Aа Х b. Aa X AA c. Aа Х Аa O d.Question 108 108. Each antibody has at least antigen binding sites O 1 3 2.QUESTION 1 The table below shows the results from looking at the diagnostic accuracy of a new rapid antigen test for COVID-19 in 100000 patients, compared to the reference standard RT-PCR test. The rows of the table represent the test result and the columns the true disease status (as confirmed by RT-PCR). COVID-19 Positive COVID-19 Negative Antigen Test Positive Antigen Test Negative 424 795 8216 90565 Calculate the SENSITIVITY of this new rapid antigen test as percentage with 3 decimal places. (Assume that the RT-PCR reference has a 100% Sensitivity and 100% Specificity.)
- Question 4 i). State three (3) main differences between a conventional x-ray and CT scan in medical imaging.Question 106 106. Put the events of initial allergen sensitization in order. APC ingests, digests, and presents the allergen to B lymphocytes [ Choose ] [Choose ] plasma cells produce IgE against allergen second fırst IgE attach to mast cells third Question 107Question 39 Forensic biology is historically also known as screening HLA Dqa ABO typing serology DNA profiling
- QUESTION 63 Class IlI major histocompatibility complex molecules are found on all of the following types of cells EXCEPT O dendritic cells O macrophages O B cells O red blood cells QUESTION 64 In general, the LD50 for exotoxins is much greater than the LD50 for endotoxins. O True O False QUESTION 65 Macrophages are derived from O monocytes O neutrophils O granulocytes O basophilsForce This test can be saved and resumed later. The timer Completion Remaining Time: 1 hour, 12 minutes, 48 seconds. v Question Completion Status: A Moving to another question will save this response. Question 26 West Nile virus is transmitted to humans by which vector? a. birds b. cats c. other humans d. mosquitoes e. bacteria Moving to another question will save this response.Question 15 John is suffering from fever with cough. Based on his history, physician asked him to go for PPD test. His PPD test revealed the size of his inflammed. What diagnosis can you make? Oa John is in close contact with someone who has tuberculosis but he does not have active disease. a. O bJohn is suffering from latent tuberculosis. There is not enough information to make the final diagnosis. OC. This test shows presence of antibodies to tubercle bacilli in his blood. d. Both (c) and (d) are correct. Ole.