Why do some tests for antibody in serum (such as for HIV and syphilis) require backup verification with additional tests at a later date?
Answer to relevant Questionsa. Look at figure 17.9 b. What is the titer as shown? In Figure b. If the titer had been 40, would a different interpretation be made as to the immune status of the patient? c. Which patients are positive in figure 17.10 ...a. What is the probable significance of isolating large numbers of Streptococcus mitis from a throat swab sample? b. What is the significance of isolating three Staphylococcus epidermidis colonies from a swab culture of an ...You have been given the assignment of obtaining some type of culture that could help identify the cause of otitis media in a small child. a. What area might you sample? b. Why is this disease so common in children? Do you think the spittoons of the last century were effective in controlling tuberculosis? Why or why not? What is the logic behind testing for E. coli to detect fecal contamination of water?
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