Brainstem and Spinal Cord - Morton

Question 1

What comes from the alar plate?

Answer 1

Sensory and dorsal horn:
Somatic sensory
Visceral sensory

Question 2

What comes from the basal plate?

Answer 2

Motor and ventral horn :
Somatic motor
Autonomic motor

Question 3

What is the difference between the brainstem and the spinal cord nuclei?

Answer 3

The nuclei are situated around the fourth ventricle in the brainstem

Question 4

Which part of the brainstem does not have all four components from the alar and basal plates?

Answer 4

Midbrain only has the motor portions

Question 5

What are the brachial motor nuclei?

Answer 5

Forms skeletal muscles, cartilage, and tissue in the head

Question 6

Where are the brachial motor nuclei?

Answer 6

Pons and medulla

Question 7

Where are the hearing and balance nuclei?

Answer 7

Pons and medulla

Question 8

Are the general somatic nuclei on every xsection of the brain stem?

Answer 8

NO

Question 9

How does white matter change going from cervical to sacral?

Answer 9

There is more white matter the more cervical you are

Question 10

Which section has the largest ventral horn?

Answer 10

Cervical

Question 11

What is the difference between roots and rami?

Answer 11

Roots are one way streets
DAVE- dorsal afferent and ventral efferent

Rami are two way streets
Ventral forms plexuses

Question 12

What are dermatones?

Answer 12

Specific parts of skin that go along with a single spinal nerve level

Question 13

What separates the alar and basal plates?

Answer 13

Sulcus limitans

Question 14

Which structure is responsible for the gag reflex?

Answer 14

Medulla

Question 15

Which structure is responsible for the cornea reflex?

Answer 15

Pons

Question 16

Which structure is responsible for the pupillary reflex?

Answer 16

Midbrain

Question 17

Which is more medial and which is more lateral in the organization of the nuclei?

Answer 17

Sensory- lateral

Motor- medial

Question 18

Name the cranial nerve and what it innervates:

V

Answer 18

Trigeminal- general sensory of teeth, oral cavity, cornea

Question 19

Name the cranial nerve and what it innervates:

VI

Answer 19

Abducens- lateral rectus muscle of the eye

Question 20

Name the cranial nerve and what it innervates:

VII

Answer 20

Facial- facial muscles (facial expression), sublingual gland, submandibular gland, lacrimal gland

Question 21

Name the cranial nerve and what it innervates:

VIII

Answer 21

Vestibulocholear- hearing and balance

Question 22

Name the cranial nerve and what it innervates:

IX

Answer 22

Glossapharyngeal- third of the tongue and oropharynx

Question 23

Name the cranial nerve and what it innervates:

X

Answer 23

Vagus- heart, lungs, GI tract, palatal, pharyngeal

Question 24

Name the cranial nerve and what it innervates:

XI

Answer 24

Spinal Accessory- Parotid gland, trapezius, sternocleiomastoid

Question 25

Name the cranial nerve and what it innervates:

XII

Answer 25

Hypoglossal- tongue