Chapter 2

Question 1

White matter

Answer 1

Composed of axons, projections of nerve cells and myelin

Question 2

Internal capsule

Answer 2

Composed of axons connecting the cerebral cortex with other areas of CNS

Question 3

Gray matter

Answer 3

Composed of neuron cell bodies

Question 4

Ganglia

Answer 4

Groups of neuron cell bodies in the PNS

Question 5

Nuclei

Answer 5

Groups of cell bodies in the CNS

Question 6

Efferent axons

Answer 6

In PNS
Carry information away from the CNS
RED (motor)

Question 7

Afferent axons

Answer 7

In PNS
Carries information from peripheral receptors to CNS
BLUE (sensory)

Question 8

Features of anterior medulla

Answer 8

Pyramid, Olive, pyramidal decussation

Question 9

Brainstem function

Answer 9

Neurons control equilibrium, cardiovascular activity, respiration, eye movement, and other functions

Question 10

Hypothalamus

Answer 10

Inferior to thalamus
mamillary bodies are prominent feature

Question 11

Epithalamus

Answer 11

Posterosuperior to thalamus
Consists primarily of pineal gland - influence secretion of endocrine glands

Question 12

Subthalamus

Answer 12

Inferolateral to thalamus
part of neural circuit that controls movement

Question 13

Thalamic nuclei

Answer 13

Relay info to cerebral cortex
Process emotion and memory info, touch and visual info, arousal, attention, consciousness

Question 14

Corpus callosum

Answer 14

Huge bundle of axons that connects right and left cerebral cortices

Question 15

Basal ganglia

Answer 15

Caudate nucleus, putamen, globus pallidus
Involved in social, goal oriented behavior, movement, emotions

Question 16

Amygdala

Answer 16

Major nucleus involved in emotions and motivation

Question 17

Hippocampus

Answer 17

Declarative memory system
Processes memory for facts

Question 18

Fornix

Answer 18

White matter bundle that connects hippocampus with hypothalamus

Question 19

Interventricular foramen

Answer 19

Connects lateral ventricles with 3rd ventricle

Question 20

Cerebral acquednct

Answer 20

Connects 3rd and 4th ventricle

Question 21

Meninges

Answer 21

Dura, arachnoid, pia

Question 22

Internal carotid arteries

Answer 22

Supply blood to most of cerebrum

Question 23

Vertebral arteries

Answer 23

Supply blood to occipital, inferior temporal lobes,brainsten, cerebellar region

Question 24

Basilar artery

Answer 24

Supplies blood to pons and most of cerebellum

Question 25

Circle of Willis

Answer 25

Area where 6 large paired arteries and 3 small communicating arteries join at the bottom interior side of the brain