Memory Cells

question 27

Multiple Choice

Memory cells

• A) include B and T cells that remain in the body for long periods of time after the first exposure to a pathogen.
• B) are macrophages that store copies of antibodies for decades.
• C) make copies of T cells that remain active long after the primary response has ended.
• D) become T cells during a secondary response to a pathogen.

---

Definitions:

Vital Signs

Basic physiological measurements of the body's main functions which include temperature, pulse, respiration rate, and blood pressure.

Orthostatic Hypotension

A form of low blood pressure that happens when standing up from sitting or lying down, causing dizziness or lightheadedness.

Positive Test

A test result indicating the presence of the disease, condition, or substance being tested for.

Postural Hypotension

A form of low blood pressure that happens when standing up from sitting or lying down, causing dizziness or fainting.