Question

multiple choice question
______ is the use of a drug to prevent infection of a person at risk.

○ antagonism
○ chemotherapy
○ immunomodulation
○ prophylaxis

Explanation:

To solve this, we analyze each option:

• Antagonism: Involves opposing action, not prevention.
• Chemotherapy: Used to treat existing infections/cancer, not prevention.
• Immunomodulation: Adjusts immune response, not direct prevention of infection.
• Prophylaxis: Defined as using a drug to prevent infection in at - risk individuals, matching the description.

Answer:

D. Prophylaxis