1 Basic Design of the Adult Nervous System

Question 1

Gray Matter name

Answer 1

Nucleus
Ganglia
Cortex
Column
Body

Question 2

Gray Matter definition

Answer 2

Cell body

Question 3

White Matter name

Answer 3

Peduncle, pyramid
Tract, fasciculus, funiculus
Lemniscus
Capsule
Column

Question 4

White Matter definition

Answer 4

Axons (Myelin is white)

Question 5

Corpus callosum connects (horizontal vs longitudinal)

Answer 5

Left and Right hemispheres

Question 6

Internal capsule connects (horizontal vs longitudinal)

Answer 6

brain to the brainstem and spinal cord; lower centers to the cerebral cortex

Question 7

Commissure vs Decussation

Answer 7

Both are axons that cross midline; Commissure cross to equivalent area, Decussation cross to different area

Question 8

Neurulation (neural tube closure) at what week

Answer 8

Week 3/4

Question 9

Spina Bifida cause

Answer 9

Defective closure of the CAUDAL neural tube

Question 10

Segmental level of the nervous system

Answer 10

8 Cervical
12 Thoracic
5 Lumbar
5 Sacral
1 Coccygeal

Question 11

Spinal cord enlargement lvl and reason

Answer 11

Cervical enlargement (C4-T1)
Brachial plexus

Lumbosacral enlargement (L2-S3)
Lumbosacral plexus

Question 12

Cranial nerves attached to the medulla

Answer 12

XII, XI, X, IX (9-12)

Question 13

Cranial nerves attached to the pons

Answer 13

VIII, VII, VI, V (5,6,7,8, who do we appreciate? PONS!)

Question 14

Cranial nerves attached to the midbrain

Answer 14

IV, III (3-4)

Question 15

Reticular formation structure & function

Answer 15

Complex network of brainstem nuclei and neurons;

Integrates functions of respiration, consciousness, complex motor patterns

Question 16

Lobes of Cerebral Hemispheres and functions

Answer 16

Frontal - Motor
Parietal - Sensory
Temporal - Multiple
Occipital - Visual
Limbic (system) - Emotion, Memory