Biology, 02.12.2019 21:31 deedee2094
The elisa test has been used as the most common, rapid screening test for hiv infection. its sensitivity is very high but its specificity is rather low (for an important identification test). which statement describes this accurately?
a. a false positive test result may develop due to the test antigens capturing normal antibodies.
b. only certain kinds of instruments can be used to pick up the small amount of fluorescence given off in the elisa test.
c. the patient's specimen has to be handled in a certain way to maintain the integrity of the viral dna.
d. the test can identify the patient's antibody to hiv only when it is in large quantities.
Answers: 3
Biology, 21.06.2019 13:00
Which of these is the correct sequence for the phases of mitosis? prophase, interphase, metaphase, telophase prophase, metaphase, telophase, anaphase prophase, metaphase, anaphase, telophase interphase, prophase; metaphase, anaphase
Answers: 1
Biology, 22.06.2019 12:00
Define the apical impulse and describe its normal location, size, and duration. which abnormal conditions may affect the location of the apical impulse? explain the mechanism producing normal first and second heart sounds. describe the effect of respiration on the heart sounds. describe the characteristics of the first heart sound and its intensity at the apex of the heart and at the base. describe the characteristics of the second heart sound and its intensity at the apex of the heart and at the base.
Answers: 1
Biology, 23.06.2019 01:00
Ahuman female has a special pair of chromosomes that are represented by the letters a) xx. b) xy. c) yy. d) xz.
Answers: 1
The elisa test has been used as the most common, rapid screening test for hiv infection. its sensiti...
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