A Cell Has Been Infected with an RNA Virus

question 18

Multiple Choice

A cell has been infected with an RNA virus. As a consequence, it may …

• A) reduce the expression of its surface class I MHC molecules.
• B) secrete type I interferons such as interferon-α.
• C) shut down most protein translation and destroy most of its RNA.
• D) be induced to die by apoptosis.
• E) All of the above.

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Definitions:

Prioritizing

Arranging in order of importance.

Clinical Diagnosis

Identification of a disease by history, laboratory findings, and symptoms.

Objective

A specific, measurable goal intended to be achieved within a finite time frame.

Clinical Diagnosis

The identification of a disease or condition by a doctor using observation, patient history, and sometimes diagnostic tests, rather than laboratory analysis of tissue samples.