A Researcher Detects an Increase in the Amount of Natural

question 21

Multiple Choice

A researcher detects an increase in the amount of natural killer cells in a laboratory rat and concludes that ________.

• A)the rat has, or recently had, a viral infection
• B)the rat does not have any cancerous tumors
• C)the rat's lymphatic system is not functioning properly
• D)the rat's internal innate defenses are weakened

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Definitions:

Psychotic Children

Children who experience psychosis, characterized by an impaired relationship with reality, including delusions and hallucinations.

Neurotic Adults

Individuals experiencing neuroticism, marked by emotional instability, anxiety, moodiness, irritability, and sadness.

Institutionalized Adults

Adults who have adapted to and depend on the structured environment of an institution, such as a prison or hospital, often leading to difficulties adjusting to life outside.

Intellectual Hypotheses

Theoretical constructs or propositions that are formed logically or intellectually, often used in scientific or philosophical context to explain phenomena.