Immunological Memory Accounts for ________

question 41

Multiple Choice

Immunological memory accounts for ________.

• A) the human body's ability to distinguish self from non-self
• B) the observation that some strains of the pathogen that causes dengue fever cause more severe disease than others
• C) the ability of a helper T cell to signal B cells via cytokines
• D) the ancient observation that someone who had recovered from the plague could safely care for those newly diseased