Select the Methods Below That Can Be Used for Identifying

question 53

Multiple Choice

Select the methods below that can be used for identifying the causative agent of a viral infection.Check all that apply.

• A)cultivation of the virus from patient samples in cell/tissue cultures
• B)detection of antibodies to the virus in a patient's serum
• C)observation of the patient's symptoms
• D)gram stain of patient specimens
• E)amplification and detection of viral nucleic acid in patient specimens
• F)culture of virus from patient specimens in enriched agar and broth media
• G)direct observation of viral-infected cells using fluorescent-antibody staining

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Definitions:

Biological Magnification

The process by which the concentration of toxic substances increases in each successive link in the food chain.

Bioaccumulation

The concentration of a chemical pollutant in the tissues of an organism rises over the course of the organism’s lifetime.

Greenhouse Effect

Warming of Earth’s lower atmosphere and surface as a result of heat trapped by greenhouse gases.