Lecture 6: Head and Neck

Question 1

What are the 3 types of skull fractures?

Answer 1

Linear (low impact), depressed (aggressive blunt force), diastatic (suture opening)

Question 2

Clinically, the weakest part of the skull is the _______.

The skull is very thin at this point

Just below this bone is the ________.

Answer 2

Pterion, middle meningeal artery

Question 3

Name all the nerves of the brain

Answer 3

Question 4

• ______ – loss of smell
• ______ – blindness (can still move eye)
• _______ – dilated pupil
• ______– inability to look down and in
• _______ – inability to feel facial pain and control chewing muscles
• _______ – inability to move eyes side-to-side

Answer 4

Olfactory, Optic, oculomotor, trochlear, trigeminal, abducens

Question 5

• ______ – facial muscle paralysis; loss of taste from anterior 2/3 of tongue
• _______ – hearing loss
• _______ – loss of taste from posterior 1/3 of tongue
• _______ – vocal fold paralysis, difficulty swallowing
• _______ – paralysis of trapezius and sternocleidomastoid
• _______ – weakening of tongue muscles and speech problems

Answer 5

Facial, vestibulocochlear, glossopharyngeal, vagus, accessory, hypoglossal

Question 6

Label the arterial blood supply of the skull.

Answer 6

Question 7

• ______ – motor control, coordination of movement
• ______ – regulate body temperature, hunger, thirst, fatigue
• _______ – relays signals from sensory systems to cerebral cortex
• _______– roles in vision, hearing, movement
• _______ – roles in sensory analyses
• _______ – controls involuntary (autonomic) systems: respiration, heart rate, reflexes such as coughing, sneezing, vomiting

Answer 7

Cerebellum, hypothalamus, thalamus, midbrain, pons, medulla oblongata

Question 8

Know what foramen each nerve comes out of

Answer 8