Ch. 12B: Central Nervous System

What are the two types of sleep?

• ROM

• NREM (4 stages)

• REM

• MAC

NREM happens before REM. (T/F)

• True

• False

Which slow-wave sleep stages of NREM are presumed to be restorative stages?

• NREM stages 1 & 2

• NREM stages 2 & 3

• NREM stages 3 & 4

• NREM stages 1 & 3

What are the three layers of the meninges?

• pia mater

• pons

• arachnoid mater

• dura mater

The ___ ___ is the strongest meninx made up of two layers of fibrous connective tissue

• dura mater

• medulla oblongata

• pia mater

• arachnoid mater

Which layer of the meninges is the middle layer with spiderweb-like extensions?

• minisci

• pia mater

• dia mater

• arachnoid mater

Which layer of the meninges consists of delicate connective tissue that clings tightly to brain and has many tiny blood vessels that feed brain?

• perameter

• arachnoid mater

• pia mater

• dura mater

Cerebrospinal fluid forms a liquid cushion of constant volume around the brain. (T/F)

• True

• False

What is a cluster of capillaries that hangs from roof of each ventricle, enclosed by pia mater and surrounding layer of ependymal cells

• cerebrospinal fluid

• third ventricle

• spinal cord

• choroid plexus

__ pumps are used by ependymal cells to control composition of CSF and help remove wastes

• Ion

• Chemical

• Mechanical

• Voltage

Tags

NGSS.HS-LS1-3