NURSING EXAM QUESTIONS
TOXICOLOGY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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If a false positive occurs with a presumptive test, then a ____ test would be ordered.
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confirmatory
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make sure
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presumptive round 2
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color
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Explanation:
Detailed explanation-1: -The purpose of a presumptive test for blood is to determine whether or not it is likely that this body fluid is present; in other words, a positive result indicates the possibility of blood. A positive result of a confirmatory test for blood allows one to conclude that blood is present. As Kobilinsky et al.
Detailed explanation-2: -Acid phosphatase test for semen. Cobalt thiocyanate test for cocaine. Duquenois-Levine reagent for cannabis. Kastle-Meyer test for blood. Malachite green test for blood. Marquis reagent for narcotics. Benzidine test for blood which changes from clear to blue in color with the presence of blood. More items
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