The Changing Balance of T-Lymphocytes May Help Explain Why Older

question 18

Multiple Choice

The changing balance of T-lymphocytes may help explain why older adults need to be immunized against specific diseases such as influenza.

• A) earlier
• B) later
• C) not at all
• D) repeatedly over a period of months

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Definitions:

Voluntary

Referring to actions or movements under conscious control by the individual.

Anterior Roots

The front part of a spinal nerve that carries motor output from the spinal cord to the body's muscles.

Spinal Nerves

Nerves that emerge from the spinal cord and branch out to innervate different parts of the body.

Motor Neurons

Neurons that carry signals from the spinal cord or brain to effectors (muscles or glands) to trigger movement or action.