The Spinal Cord Extends from the Base of the Skull

question 25

Multiple Choice

The spinal cord extends from the base of the skull to the

• A) Sacrum
• B) First lumbar vertebra
• C) Coccyx
• D) Fourth lumbar vertebra

---

Definitions:

Randy Gardner

Randy Gardner is known for a sleep deprivation experiment he conducted on himself in the 1960s, staying awake for a record 264 hours.

Intellectual Impairment

A condition characterized by significant limitations both in intellectual functioning and in adaptive behavior, originating before the age of 18.

Circadian Rhythms

Biological processes that display an endogenous, entrainable oscillation of about 24 hours, affecting sleep, hormone production, and other bodily functions.

Bright Lights

Intense or high levels of illumination, which can affect mood and alertness and are used therapeutically in treating conditions like seasonal affective disorder.