HMC Mason Review Flashcards
Thermal receptors located where?
Epidermis and dermis
Cold receptors are located where?
Epidermis (dermis warm receptors)
Nociceptors are located everywhere except?
Brain
Muscles spindles do what?
Inform which muscle is contracting
Joint kinesthetic does what?
Inform the position of our joints while doing work
The olfactory tract projects smell to where in your brain?
Cerebral cortex (frontal and temporal lobe)
Which portion of the brain is responsible for emotional response to odors?
Limbic system
What cranial nerves are involved with taste and the taste buds?
CN VII & IX
Exophthalmus is associated with what?
Hyperthyroidism
Which CN’s innervate movement of the eye?
CN 3 (occulomotor), CN 4 (trochlear), CN 6 (abducens)
CN 3 controls which muscles of the eye?
Controls the levator palpebrae superior is (which elevates and retracts the upper eyelid). Controls superior, inferior, medial rectus muscles and the inferior oblique muscles
CN 4 controls which muscles of the eye?
superior oblique muscle
CN 6 controls which muscles of the eye?
Controls the lateral rectus muscle.
What color light is used for fluorescein staining
Cobalt blue
How long do you flush eyes?
15-30 min
Complication of auricular hematoma?
Cartilage necrosis or cauliflower ear
How to treat cauliflower ear?
Incision and drainage/ Aspiration > Topical antibiotics
What is the temperature of water for ear irrigation?
Body/room temp
Most common cause of Cholesteatoma?
Prolonged Eustachian tube dysfunction
How to treat Cholesteatoma?
Surgical marsupialization of the sac or its complete removal.
What do you use for foreign bodies in ear?
Loops and scoops
How do you remove living foreign body in ear?
Lidocaine
When do you not irrigate the ear?
Don’t irrigate ear if can’t see TM
Complication of foreign bodies?
Perforated TM, Hearing loss, Cellulitis
What are the 2 types of Eustachian tube dysfunction?
Classified as a patulous dysfunction, in which the Eustachian tube is excessively open, or dilatory dysfunction, in which there is failure of the tubes to dilate appropriately.
How to treat Eustachian tube dysfunction?
Treat underlying cause/ reduce infection/inflammation (Sudafed, Afrin)
Hearing loss begins at what?
High frequencies
. What are causes of hearing loss?
Machinery, weapons, headphones
What is the treatment for hearing loss?
Take out of environment. Do audio if needed.
Mastoiditis is caused by what?
Otitis media
What bacteria is associated with Otitis Media?
Most common pathogens are Streptococcus pneumoniae, Haemophilus influenzae, and Streptococcus pyogenes.
How do you treat otitis externa?
Neomycin/Polymyxin B plus hydrocortisone