Why Doesn't Interferon Prevent All Cells from Being Infected with Viruses

question 60

Multiple Choice

Why doesn't interferon prevent all cells from being infected with viruses?

• A)because interferon is effective against bacterial infections only
• B)because interferon is only released from cells that are already infected
• C)because interferon has no memory capability
• D)because interferon is produced by macrophages,which arrive after an infection has occurred
• E)Both because interferon is only released from cells that are already infected and because interferon has no memory capability are correct.

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Definitions:

Common Iliac

Referring to the two large arteries that originate from the abdominal aorta and supply blood to the pelvic region, lower abdominal wall, and legs.

Tibial

Relating to the tibia, which is the larger and stronger of the two bones in the lower leg, extending from the knee to the ankle.

Defibrillator

A device used to deliver a therapeutic shock to a heart in abnormal rhythm, in an attempt to restore normal heart rhythm.

Electrode Paddles

Devices used during defibrillation to deliver an electric current through the chest wall to the heart.