Use the Following Information to Answer the Question(s) Below

question 54

Multiple Choice

Use the following information to answer the question(s) below.
An otherwise healthy student in your class is infected with EBV, the virus that causes infectious mononucleosis. The same student had already been infected when she was a child, at which time she had merely experienced a mild sore throat and swollen lymph nodes in her neck. This time, though infected, she does not get sick.
-Her immune system's recognition of the second infection involves memory ________.

• A) helper T cells
• B) natural killer cells
• C) plasma cells
• D) cytotoxic T cells

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Definitions:

Behavior Pattern

Repeated actions or reactions that are characteristic of an individual across different situations.

Scientific Method

A systematic procedure for collecting and analyzing evidence that involves observation, hypothesis formation, experimentation, and conclusion drawing.

Psychology

The scientific study of the mind and behavior, encompassing various aspects of human experience, cognition, and emotion.

Empirical Claims

Claims that can be true or false depending on the facts.