2.1 The Brain Part 4

Question 1

What is the function of the medulla?

Answer 1

regulates heartbeat, breathing, and vasoconstriction

Question 2

What is vasoconstriction?

Answer 2

constriction of blood vessels involved in the regulation of blood pressure

Question 3

What portion of the brain contains the reflex centers for vomitting, couching, sneezing, and swallowing?

Answer 3

medulla

Question 4

What does the pons contain?

Answer 4

bundles of axons that travel between the cerebellum and the rest of the CNS

Question 5

What is the function of the pons?

Answer 5

to work with the medulla to regulate breathing
has reflex centers that are concerned with movements in response to visual and auditory stimuli

Question 6

What are the functions of the midbrain?

Answer 6

relay station for tracts passing between the cerebrum and the spinal cord/cerebellum
reflex centers for higher level reflexes involving visual, auditory, and tactile responses

Question 7

Where are the superior and inferior colliculi located?

Answer 7

posterior portion of the midbrain