Biology Immunity ETEA 2023 Retake
PMDC Verified Question 77 of 99
Which of the following can be effective in preventing viral infection in humans?
A
Taking antihistamines
B
Getting vaccinated
C
Applying antiseptics
D
Taking antibiotics
Tap any option to test your recall and reveal the step-by-step Propolis autopsy.

Propolis Cognitive Error Autopsy

Official Correct Choice:
Option B: Getting vaccinated
Concept:

Viruses hijack host cell machinery, making them incredibly difficult to treat after infection begins. Prophylactic (preventative) immune training is the best defense.

Formula:

None

Solution:

  • Because viruses live inside host cells, the most effective prevention is to train the adaptive immune system to recognize and destroy the virus the moment it enters the body.


  • Getting vaccinated induces the production of memory B and T cells specific to that virus, neutralizing it before an infection can take hold.


Why other options are incorrect:

  • Taking antibiotics: Antibiotics only kill bacteria; they are 100% ineffective against viruses.


  • Antihistamines: Only reduce allergy symptoms.

Quality & Fidelity Assurance: Every question on BeambePrep is rigorously curated against the official PMDC syllabus with zero filler, zero out-of-syllabus content, and zero typos. When an authentic past paper originally contained a historical mistake or ambiguity from the examining board (such as UHS or NUMS), BeambePrep faithfully reflects the original paper while detailing the nuance and scientific consensus in the autopsy above.

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