The Lymphocytes That Are Involved in Nonspecifically Killing Altered Self-Cells

question 60

Multiple Choice

The lymphocytes that are involved in nonspecifically killing altered self-cells, such as tumor cells and virus infected cells, are the:

• A) monocytes
• B) natural killer cells
• C) neutrophils
• D) B cells
• E) eosinophils

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Definitions:

REM Sleep

a phase of sleep characterized by rapid eye movements, more vivid dreams, and increased brain activity.

Sleep Spindles

Sudden bursts of oscillatory brain activity visible on an EEG that occur during stage 2 of non-REM sleep.

Alpha Waves

Brainwave patterns associated with a relaxed yet alert state, typically found in the frequency range of 8-12 Hz.

Night Terrors

Intense episodes of fear that occur during sleep, often resulting in screaming, sweating, and confusion upon awakening.