Question

Select the incorrect statement regarding acquired immunity.

• A. Acquired immunity is a nonspecific type of defense present at birth.
• B. A primary response occurs when our body first encounters a pathogen.
• C. Subsequent encounters with the same pathogen provoke anamnestic reactions.
• D. Anamnestic reactions are based on memories of the first encounter.

Answer 1

Answer:

A. Acquired immunity is a nonspecific type of defense present at birth.

• Acquired immunity is not present at birth, rather it is developed over time as the body’s immune system encounters pathogens and creates memory cells that can recognize them on subsequent encounters.