Difficulty: Medium
Average Score: 84%
Full-length
A child was exposed to the hepatitis A virus, became ill, and made a full recovery 2 years ago. The child is now immune to the hepatitis A virus and will likely be protected for the rest of her life. This type of immunity is referred to as
Correct answer
B
Rationale
Recovery from hepatitis A infection confers lifelong immunity via naturally acquired active immunity, as the body produces its own antibodies.