Biopharm exam 3 - otic products

pinna

5

semicircular canals

1

vestibular cochlear nerve

2

cochlea

3

external auditory canal

6

lobule

7

eustachian tube

4

tympanic membrane

the ______ separates the outer ear from the middle ear

tympanostomy tubes

______ allow liquids to cross the tympanic membrane

true

T/F: tympanostomy tubes equalizes pressure across TM

true

T/F: liquid products may enter middle ear in patients with tubes or perforated TM

-infection (otitis externa and otitis media)

-inflammation (dermatitis, eczema)

-cerumen removal

common indication for otic products include

acute otitis externa

_______ is one of the most common indications for ototopical therapy

swimmer's ear

acute otitis externa is also known as

cellulitis

acute otitis externa is _______ of ear canal.

true

T/F: acute otitis externa can be caused by bacteria or fungi

canal obstruction

excess moisture in the ear can lead to _____

cerumen

______ is a combination of dead skin cells and secretions from skin glands

facilitated jaw movement

cerumen is normally removed on its own by

cerumen impaction

_______ is accumulation of cerumen causes symptoms or prevents caregiver assessment of ear health

more than 1/2

cerumen is present in _______ of older persons in nursing homes.

-high drug concentration at site for local effect

-minimize systemic side effects

advantages of otic products include

middle ear

a disadvantage of using otic products include risks of _______ exposure if tympanic membrane is not intact

false (most can)

T/F: ophthalmic products cannot be used in the ear

residence time

drug effectiveness is determined by ______ at the affected site

false (slows down)

T/F: higher viscosity speeds up rate of liquid drainage from ear canal

local effects

all otic products are intended for ______.

false (it is not expected)

T/F: systemic absorption of otic products is expected if tympanic membrane is intact.

true

T/F: there are no universal requirements for otic products

tubes; perforated TM

we should use sterile otic products with ______ or _____ if avaliable

neutral

for otic products a pH of ______ is preferred but not required.

false (some products are sterile)

T/F: otic products need to be sterile

true

T/F: the osmolarity of otic products is not specified.

cold or room temperature

_______ products can cause pain, especially if it is dropped directly onto the tympanic membrane.

false (should warm product to body temp)

T/F: pharmacists should counsel patients to put ear drops in the ear at refrigerated or room temperatures.

false

T/F: it is okay to drop otic products directly onto the tympanic membrane

3-5 minutes

when administering otic products pharmacists should counsel patients to tilt head for _______

back and up; down and back

adults should pull the pinna _______ when administering otic products. for children, we should pull the earlobe_______

tragus

patients should push on ______ to help product flow into ear canal.

false

T/F: for otic ointments or oil-based solutions, these are usually applied inside of the ear canal.

false (non-sterile)

T/F: pharmacists can safely compound sterile otic products

run along the side of the canal

drop should _______ until it is filled

left open to dry

after placing drops, the canal is best _______ to avoid trapping moisture and infected debris.