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Ch. 12B: Central Nervous System

Total questions: 16

Worksheet time: 9mins

Name
Class
Date
1.

What are the two types of sleep?

a)

ROM

b)

NREM (4 stages)

c)

REM

d)

MAC

2.

NREM happens before REM. (T/F)

a)

True

b)

False

3.

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

a)

NREM stages 1 & 2

b)

NREM stages 2 & 3

c)

NREM stages 3 & 4

d)

NREM stages 1 & 3

4.

What are the three layers of the meninges?

a)

pia mater

b)

pons

c)

arachnoid mater

d)

dura mater

5.

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

a)

dura mater

b)

medulla oblongata

c)

pia mater

d)

arachnoid mater

6.

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

a)

minisci

b)

pia mater

c)

dia mater

d)

arachnoid mater

7.

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

a)

perameter

b)

arachnoid mater

c)

pia mater

d)

dura mater

8.

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

a)

True

b)

False

9.

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

a)

cerebrospinal fluid

b)

third ventricle

c)

spinal cord

d)

choroid plexus

10.

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

a)

Ion

b)

Chemical

c)

Mechanical

d)

Voltage

11.

Substances from blood must first pass through continuous endothelium of capillary walls before gaining entry into ___

a)

nerves

b)

axons

c)

neurons

d)

CSF

12.

How is glucose, amino acids, and specific ions moved to the brain?

a)

Simple diffusion

b)

Active transport

c)

Facilitated diffusion

d)

Osmosis

13.

Which junctions are found in brain capillaries?

a)

Tight junctions

b)

Gap junctions

c)

Adherens

d)

Desmosomes

14.

The thick basement membrane surrounding capillaries contain __ that destroy certain chemicals that would activate brain neurons.

a)

proteins

b)

lipids

c)

enzymes

d)

buffers

15.

The spinal cord is enclosed in the vertebral column (T/F)

a)

False

b)

True

16.

Where are reflexes initiated and completed at?

a)

medulla oblongata

b)

spinal cord

c)

choroid plexus

d)

third ventricle