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;
30 Cards in this Set
- Front
- Back
|
One treatment for patients with chronic sinusitis entails endoscopic removal of the nasal mucosa on the lateral wall of the middle meatus. drainage of which sinuses will be facilitated in this way?
|
anterior ethmoidal
middle ethmoidal frontal maxillary |
|
|
protects your cochlea from loud sounds below 2000Hz in frequency
|
Stapedius- facial n
|
|
|
abducts the vocal folds
|
posterior crico-arytenoid-vagus
|
|
|
open the auditory tube to equalize pressure in the middle ear
|
tensor veli palatini- mandibular (V3)
|
|
|
perform the closing phase of blinking
|
orbicularis oculi-facial
|
|
|
shrug the shoulders
|
trapezius-accessory
|
|
|
prevent tongue from falling backward into oropharynx and closing off air passageway while you sleep
|
genioglossus-hypoglossal
|
|
|
keep food from accumulating in oral vestibule during mastication
|
buccinator-facial
|
|
|
symptoms and distribution of tic douloureux
|
severe pain emanating from skin over bony cheek, lower eyelid, side of nose and upper lip, also from nasal cavity, palate, and upper teeth.
|
|
|
different visual field defects:
optic nerve: optic chiasm: optic tract: |
monocular blindness
bitemporal hemianopia homonymous hemianopia on contralateral side |
|
|
what is the preferred site of emergency entrance into the subglottic airway and what major blood vessels are in the way?
|
through median cricothyroid ligament
no vessels |
|
|
you observe that when you shine a light into a patient's right eye, both pupil's constrict, and the same occurs when you shine a light in her left eye. However, when you shine the light in her left eye and then quickly move it to her right eye, the right pupil dilates? where and on what side is the lesion?
|
right side
damaged optic nerve |
|
|
left vagus nerve was severely traumatized during surgery to fuse cervical vertebrae 3 and 4
in the immediate postoperative period, how is this likely to affect a)phonaation b)ability to cough c)drinking liquids d)breathing how would the status of the left vocal fold and the patient's symptoms differ if the injury to the left vagus was just prior to its superior laryngeal branch? |
a)hoarse and breathy voice
b)weak cough c)aspiration possible d)possible exertional dyspnea not differ |
|
|
surgery on the middle ear puts two nerves at risk. name them, describe their relationships to other structures of the middle ear, and for each nerve state one symptom the patient will actually experience or one sign that can be observed by you or the patient
|
a)chorda tympani
on medial surface of eardrum metallic or salty taste b)facial superior to oval window loss of nasolabial folds |
|
|
geniculate
|
general sensory, taste
|
|
|
submandibular
|
parasympathetic
|
|
|
trigeminal
|
general sensory
|
|
|
ciliary
|
parasympathetic
|
|
|
pterygopalatine
|
parasympathetic
|
|
|
otic
|
parasympathetic
|
|
|
stellate
|
sympathetic
|
|
|
Susan comes into your office complaining that her teeth don't seem to fit well together. you notice right temple looks sunken, rt. side of her face less full than the left side. What do you expect to observe when she opens her mouth? Why?
|
lower jaw will deviate to right.
occurs because intact left lateral pterygoid pulls its condyle forward but paralyzed right LP cannot mandibular (V3) |
|
|
hearing test to distinguish between hearing loss due to damage from an acoustic neuroma and otosclerosis
|
Rinne test
place vibrating tuning fork 1" from patient's ear. after a few seconds, move it so that its stem touches right mastoid process. Ask which sounded louder. if by ear, then problem is more likely acoustic neuroma. if "on bone", then problem is more likely to be otosclerosis |
|
|
levator veli palatini
|
vagus
|
|
|
skull base tumor
|
can affect both vagus and accessory
|
|
|
three muscles important in looking at an object brought close to your face
|
ciliary muscle, constrictor pupillae, medial rectus
|
|
|
why are near sighted people unable to focus on objects at a distance withuot glasses or contact lenses?
|
their eyes are too long anteroposteriorly. They have no way to shift focal point of image posteriorly onto the retina.
|
|
|
in the posterior (mastoid) wall of the tympanic cavity, inferior to the aditus ad andtrum
|
facial n.
|
|
|
anterior to the inferior half of the tympanic cavity
|
internal carotid a.
|
|
|
superior to the tympanic cavity
|
brain
|
