chapter 13

Question 1

What is known as the little brain?

Answer 1

Cerebellum

Question 2

The cerebellum makes up _________ of the total weight of the brain.

Answer 2

11%

Question 3

What separates the cerebellum posteriorly from the pons and medulla anteriorly?

Answer 3

4th ventricle

Question 4

Spinal input and output from the cerebellum include:

Answer 4

1) TUNCAL STABILITY
2) LIMB MOVEMENT

Question 5

Truncal stability

Answer 5

Bilateral projections

Question 6

limb movement

Answer 6

ipsilateral

Question 7

The distribution of fibers from the CEREBELLUM are:

Answer 7

Ipsilateral

Question 8

(important) what are the functions of the cerebellum?

Answer 8

1) coordination of muscular activity, but NOT the initiation of movement
2) regulation of muscle tone
3) maintaining of equilibrium (balance)
4) Integration of input from the limbs, spinal cord, and vestibular system to fine tune motor control
5) contribution to precision timing and posture

Question 9

The cerebellum consists of TWO cerebellar hemispheres separated by a median ______________

Answer 9

vermis

Question 10

What are the structures of the first cerebellar hemisphere?

Answer 10

1) Anterior cerebellar lobe
2) Flocculonodular lobe
3) Posterior cerebellar lobe

Question 11

This lobe is also known as spinocerebellum

Answer 11

Anterior cerebellar lobe