Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
10 Cards in this Set
- Front
- Back
|
What is the pterion? What is it's clinical significance
|
The area in the lateral skull where the frontal, parietal, temporal, and occipital bones all join. It is a vulnerable area so if there is a skull fracture, the bone fragments can pierce the middle meningeal artery and cause bleeding leading to brain damage.
|
|
|
Describe a ruptured aneurysm? What constitutes a stroke verses a ruptured aneurysm?
|
If it lasts less than 24 hours, then it is a TIA, but longer than 24 hours, then it's a stroke.
|
|
|
What are the five layers of the cranium? Spells out the word SCALP
|
1. skin
2. connective tissue (fascia) 3. apyneurosis (epicranial) 4. loose connective tissue 5. pericranium |
|
|
What causes a black eye after skull trauma?
|
The frontalis muscle is not connected to the bone but rather to the skin and the blood ppols into the orbital area.
|
|
|
Describe Bell's Palsy?
|
r
|
|
|
Which cranial nerve provides cutaneous innervation to the face?
|
CN V, the trigeminal nerve (V1 and V2 are only sensory for facial sensation but V3 is a mixed nerve for facial sensation and the motor portion for mastication).
|
|
|
Describe trigeminal nerve neuralgia or Tic Douloureux?
|
Damage to one or more sensory nerves (especially V2) causing intensive pain which causes a tic or spontaneous contraction of facial muscles. Treated by cutting nerve branches or severing the sensory root.
|
|
|
Describe the path of the internal coratod artery?
|
s
|
|
|
Describe the path of the external carotid artery? How many branches does it have and what do they vasculate?
|
8 brances that provide blood to base of skull and face.
|
|
|
Most blood will drain from the head into what vein?
|
The internal jugular vein (lies deep to the sternocleidomastoid muscle which lies deep to the external jugular vein).
|
