[Campbell Biology P.457] Which of the following statements accurately describes how viral in... | Practice Question
Which of the following statements accurately describes how viral infections affect host organisms or how the host responds?
A: All viral diseases result in permanent damage, regardless of the affected tissue type.
B: Temporary symptoms like fever and body aches are primarily caused by direct cell death from the virus.
C: Vaccines stimulate the immune system by introducing a harmless derivative of a pathogen to mount defenses.
D: Viruses exclusively damage cells by causing the release of hydrolytic enzymes from lysosomes.
Explanation
Option C accurately reflects the definition of a vaccine provided in the text: 'A vaccine is a harmless derivative of a pathogen that stimulates the immune system to mount defenses against the harmful pathogen.'