Which Choice BEST Expresses the Proportion of Cancers That Are

question 28

Multiple Choice

Which choice BEST expresses the proportion of cancers that are influenced by inherited genetic factors?

• A) a small minority
• B) a substantial minority
• C) most
• D) nearly all

---

Definitions:

Hypothalamus

A region of the brain that controls many bodily functions, including hunger, thirst, temperature regulation, and hormone release.

Sleep/Wake Cycle

The circadian rhythm regulating periods of sleep and wakefulness over a 24-hour cycle, influenced by environmental light-dark cycles and internal biological clocks.

Reticular Formation

A complex network of interconnected neurons located throughout the brainstem, essential for regulating wakefulness and sleep-wake transitions.

Basal Nuclei

Clusters of neurons located deep within the cerebral hemispheres involved in controlling movement and coordination.