Introduction

Question 1

True or false, the cranial nerves are purely sensory?

Answer 1

False, they can be both motor and sensory

Question 1

What innervates dermatomes (be specific)?

Answer 1

Bilateral pair of dorsal root ganglia

Question 1

Where does the CSF sit in relation to the meninges?

Answer 1

Subarachnoid space

Question 2

Generally, what is the function of the cerebellum?

Answer 2

Refines the execution of motor programs from the cerebral cortex

Question 2

What is the major role of the thalamus?

Answer 2

Sensory relay

Question 3

What is present in the dorsal root ganglia?

Answer 3

Cell bodies for sensory nerves

Question 4

What runs in ventral root of spinal nerves?

Answer 4

Efferent motor axons whose cell bodies lie in the ventral horn of the spinal cord

Question 4

How many enlargements of the spinal cord are there?

Answer 4

2 - cervical and lumbar

Question 4

What are the three layers of the meninges, from outside in?

Answer 4

Dura

Arachnoid

Pia

Question 6

What are the grooves in the brain called?

Answer 6

Sulcus/Sulci

Question 7

What is the major role of the hypothalamus?

Answer 7

Maintains homeostasis

Controls the pituitary gland

Question 8

Where does the CSF flow out of the ventricles?

Answer 8

At the fourth ventricle

Question 10

What command do axons in the ventral root of spinal nerves give?

Answer 10

Motor - contraction of skeletal muscle

Question 10

What type of information is dealt with in the dorsal root of the spinal cord?

Answer 10

Sensory

Question 13

What are the ridges in the brain called?

Answer 13

Gyrus/Gyri

Question 15

What is the most important role of the basal ganglia?

Answer 15

Motor control

Question 17

What structures make up the brainstem?

Answer 17

Mid brain

Pons

Medulla

Question 18

What are the four lobes of the cerebral cortex?

Answer 18

Frontal

Parietal

Temporal

Occipital

Question 19

Which part of the brain is responsible for higher functions in humans (eg consciousness)

Answer 19

The cerebrum

Question 20

What are the major roles of the brainstem?

Answer 20

Cardiorespiratory control

Arousal/wakefulness/sleep cycle

Question 21

What information in carried by axons in the dorsal root of spinal nerves?

Answer 21

Afferent sensory information

Question 22

Where is the grey matter in the spinal cord?

Answer 22

Internal, surrounded by white matter

Question 23

At what level does the spinal cord end?

Answer 23

L1/2

Question 24

What is the name of the space that runs between the two hemispheres of the brain?

Answer 24

Horizontal fissure

Question 25

What is the name of the thin layer of cortex on the exterior of the cerebrum?

Answer 25

Cerebral cortex