CSF Is Produced Primarily By

question 4

Multiple Choice

CSF is produced primarily by:

• A) Secretion by cells of the arachnoid villi
• B) Diffusion from the plasma into the central nervous system (CNS)
• C) Selective filtration of plasma in the choroid plexus
• D) Excretions from the ependymal cells lining the central nervous system

---

Definitions:

Neuroticism

Attributes of an individual's nature, such as experiencing worry, apprehension, changes in mood, envy, annoyance, competitive jealousy, and loneliness.

Extraversion

A personality trait characterized by outgoingness, high energy, and enjoyment in social interactions.

Self-control

The ability to regulate one's thoughts, feelings, and actions in the face of temptations and impulses.

Vulnerable Narcissism

Narcissism including low extraversion and dominance but high neuroticism.