General Organization

Question 1

Brain Stem parts from top to bottom

Answer 1

Midbrain, Pons, Medulla

Question 2

What parts make up the CNS

Answer 2

Cerebrum, Cerebellum, Brain Stem, Spinal Cord, Diencephalon, Basal Ganglia

Question 3

Angle Names

Answer 3

Top=Superior / Bottom=Inferior / Front=Anterior / Back = Posterior

Question 4

How many pairs of Spinal Nerves are there? Cranial Nerves?

Answer 4

Spinal Nerves=31 / Cranial Nerves=12

Question 5

What do C, T, L, S, and Coc. mean when describing spinal nerve pairs?

Answer 5

C=Cervical / T=Thoracic / L=Lumbar / S=Sacral / Coc.=Coccygeal

Question 6

How many Cervical nerve pairs are there? Describe them.

Answer 6

8 total…each nerve exits above its corresponding vertebra, except the 8th one doesn’t have a corresponding vertebra

Question 7

How many Thoracic nerve pairs are there? Describe them.

Answer 7

12 total….T1 is where nerves begin exiting below their corresponding vertebra

Question 8

How many Lumbar nerve pairs are there? Describe them.

Answer 8

5 total….the spine ends at about the level of L2

Question 9

How many Sacral nerve pairs are there? Describe them.

Answer 9

5 total….From L2-S5, the nerves exit noticeably caudally (downward)

Question 10

The frontal, parietal, temporal, and occipital lobes are further divided into bulges called..

Indentations are known as…

Answer 10

Gyri (gyrus for singular)

Sulci (sulcus) or fissures (large indentations)

Question 11

The hole at the base of the skull where the spinal cord becomes the brain stem

Answer 11

Foramen Magnum

Question 12

Parts of the Diencephalon

Answer 12

Thalamus and Hypothalamus