The Mid-Brain, Brainstem, and Cerebellum

Question 1

If the Presynaptic neuron sends an inhibitory signal to the postsynaptic neuron that caused Potassium to exit the Extra Cellular Fluid, what is this called?

Answer 1

Hyperpolarization

Question 2

What are Basal Nuclei?

Answer 2

Groups of Somas of Neurons.

Question 3

What do the Basal Nuclei do?

Answer 3

Unconsciously control skeletal muscles.

Question 4

What three major groups of axons form the white-matter in the middle of the brain?

Answer 4

1. Association axons
2. Commisural axons
3. Projection axons

Question 5

What do Association axons do?

Answer 5

Connect different areas of the same hemisphere

Question 6

What do commisural axons do?

Answer 6

Connect the two different hemispheres.

Question 7

What do projection axons do?

Answer 7

Connect cerebrum to the mid-brain, cerebellum, and spinal cord.

Question 8

What does the thalamus do?

Answer 8

1. Integrates sensory information going to cerebrum.

2. Integrates information between PNS, cerebrum, and cerebellum.

Question 9

What does the hypothalamus regulate?

Answer 9

1. Heart rate
2. Blood pressure
3. Respiration
4. Digestion

Question 10

What does the hypothalamus do?

Answer 10

1. Releases hormones to endocrine glands

2. Emotional/behavioural drives such as hunger, thirst, and sex.