Neurology

Question 1

What are the functions of the frontal lobe?

Answer 1

1. Motor control
2. Higher functions - judgement and foresight
3. Mood
4. Long term memories
5. Determining appropriate emotions to the social situation

Question 2

What are the functions of the parietal lobe?

Answer 2

Integration of sensory information - figuring location and intensity

Question 3

What structure separates the parietal and frontal lobes?

Answer 3

Central Sulcus

Question 4

What is the brain stem made up of?

Answer 4

Medulla Oblongata
Pons
Midbrain

Question 5

What is a nerve plexus?

Answer 5

Collection of nerves that supply specific body parts

Question 6

How many spinal nerves are there?

Answer 6

31 pairs

Question 7

What is the main blood supply to the brain? and their %

Answer 7

Internal Carotid - 80%

Vertebral Arteries - 20%

Question 8

What cranial nerves are parasympathetic?

Answer 8

III
VII
IX
X

Question 9

In a typical nerve cell, what is the concentration of Na2+ in the extracellular and intracellular? mmol/L.

Answer 9

Extracellular: 145
Intracellular: 15

Question 10

In a typical nerve cell, what is the concentration of Cl- in the extracellular and intracellular? mmol/L.

Answer 10

Extracellular: 100
Intracellular: 7

Question 11

In a typical nerve cell, what is the concentration of K+ in the extracellular and intracellular? mmol/L.

Answer 11

Extracellular: 5
Intracellular: 150

Question 12

What is the Glia cell responsible for production of CSF?

Answer 12

Ependymal cells

• Glia

Question 13

What Glia cell is responsible for nutrition in the CNS?

Answer 13

Astrocytes

Question 14

What Glia Cell is responsible for immune protection in the CNS?

Answer 14

Microglia

Question 15

What Glia cell is responsible for production of Myelin shealth in the CNS?

Answer 15

Oligodentrocytes

Question 16

What Glia cell is repsonsible for production of myelin in the PNS?

Answer 16

Schwann Cells