Brainstem

Question 1

Stalk like part of the
brain ; located in the
posterior cranial fossa

Answer 1

Brainstem

Question 2

The brain stem consists of:

Answer 2

Midbrain
Pons
Medulla oblongata

Question 3

T or F:

The midbrain is the shortest part of the brainstem

Answer 3

TRUE

Question 4

Contains the nuclei of (CN?)

Answer 4

Oculomotor and Trochlear nerves

Question 5

The midbrain’s centers are associated with

Answer 5

auditory, visual and pupillary reflexes

Question 6

PonsForms the floorof therostralpart of the 4thventricle

Answer 6

Pons

Question 7

Contains nuclei related to (CN?)

Answer 7

Trigeminal, Abducent,Facialand Vestibulocochlearnerves

Question 8

The pons’ centers are associated with

Answer 8

mastication, eye movements, facial expression, blinking, salivation, equilibrium and audition

Question 9

Forms the caudal floorof the 4th ventricle

Answer 9

Medulla oblongata

Question 10

Contains nuclei related to (CN?)

Answer 10

Glossopharyngeal, Vagus, Accessoryand Hypoglossal nerves

Question 11

Medulla oblongata’s centers are associated with

Answer 11

deglutition, coughing, vomiting, salivation, tongue movements, respiration and circulation

Question 12

2 parts of the the floor of the 4th ventricle

Answer 12

Pontine and medullary

Question 13

MEDULLA OBLONGATA

On either side of the posterior median sulcus is the

Answer 13

Gracile tubercle

Question 14

MEDULLA OBLONGATA

Lateral to each gracile tubercle is the

Answer 14

Cuneate tubercle

Question 15

It receives input from all parts of nervous system and in turn, exerts widespread influence on CNS function

Answer 15

Reticular formation

Question 16

T or F:

The brainstem is important in localizing lesions or injuries

Answer 16

TRUE

Question 17

Separated by the cerebral aqueduct and periaqueductal gray matter

Answer 17

Superior Colliculi

Question 18

The cerebral peduncle is composed of

Answer 18

tegmentum, substancia nigra and cerebral crus

Question 19

Separated by cerebral aqueduct and periaqueductal gray matter

Answer 19

Inferior colliculi

Question 20

The decussation of the trochlear nerve is in the

Answer 20

upper pons

Question 21

The trigeminal nerve attachment

Answer 21

middle pons

Question 22

This posturing signifies a higher level of brainstem involvement

Answer 22

decorticate

Question 23

T or F:
In comatose patients-
If decorticate to decerebrate positioning of the patient may become life threatening because of the vital respiratory and cardiovascular centers in the medulla

Answer 23

True