Brainstem

Question 1

What are the different components of the midbrain?

Answer 1

tectum, tegmentum, basis pedunculi, superior colliculus, inferior colliculus, substantia nigra, red nucleus, pes pedunculi

Question 2

what is the role of the tectum?

Answer 2

guides eye movements, head and body turning, response to bright light, directional sounds

Question 3

what is the role of the tegmentum?

Answer 3

contains all ascending sensory, many descending motor fibers of spinal cord)

Question 4

What kind of symptoms is the red nucleus associated with?

Answer 4

cerebellar

Question 5

What is the function of the pons?

Answer 5

Regulation of sensorimotor and cranial nerve functions

Question 6

What are the different components of the pons?

Answer 6

Middle cerebellar peduncle, pontine tegmentum, basis pontis, 4th ventricle, superior and inferior pontine sulci, many cranial nerve nuclei

Question 7

What cranial nerves does the pons have?

Answer 7

5, 7, 8

Question 8

What is the function of the medulla?

Answer 8

Modulation of sensorimotor and cranial nerve activities and regulation of vital (cardiac, swallowing, respiratory) centers

Question 9

What are the different components of the medulla?

Answer 9

Descending motor (pyramidal tract), ascending sensory tract, inferior olivary nucleus, inferior cerebellar peduncle, sensory decussation (contralaterality), pyramidal decussation, ventral median fissure