ear infections

Question 1

Otitis externa

Answer 1

inflammation of the outer ear

Question 2

acute otitis media

Answer 2

inflammation of the middle ear with acute signs of infection

Question 3

otitis media with effusion

Answer 3

presence of fluid in the middle ear without signs of inflammation or infection

Question 4

causes of otitis externa

Answer 4

allergies, dermatologic causes, psudomonas aeruginosa, staphylococcus, or fungi

Question 5

gram positive cause of otitis externa

Answer 5

staphylococcus species

Question 6

gram negative cause of otitis externa

Answer 6

pseudomonas aeruginosa

Question 7

pathogenesis of otitis externa

Answer 7

breakdown of skin-cerumen barrier leads to inflammation which can lead to pruritis and obstruction

Question 8

clinical manifestations of otits externa

Answer 8

pain, discharge, edema and erythema, pruritis, and hearing loss

Question 9

most common cause of otitis externa

Answer 9

pseudomonas aeruginosa

Question 10

diagnosis of otitis externa

Answer 10

based on clinical findings

Question 11

treatment of otitis externa

Answer 11

management of pain, removal of debris from ear canal, topical antimicrobial agents, anti-inflammatory agents

Question 12

prevention of otitis externa

Answer 12

keep things out of ears, hearing aids maintenance, and drying ear after swimming

Question 13

etiology of acute otitis media

Answer 13

streptococcus pneumoniae, nontypeable haemophilus influenzae, moraxella catarrhalis, virus

Question 14

streptococcus pneumoniae

Answer 14

gram-positive coci

Question 15

nontypeable haemophilus influenzae

Answer 15

gram-negative coccobacili

Question 16

moraxella catarrhalis

Answer 16

gram-negative diplococci

Question 17

most common cause of acute otits media

Answer 17

streptococcus pneumonia

Question 18

leading cause of acute care visits and most common reason for prescribing antibiotics to children

Answer 18

Acute otitis media

Question 19

reason why children 6-24 mo are more prone to ear infections

Answer 19

eustachian tube anatomy/physiology, immature immune system, large adenoids

Question 20

acute otitis media pathogenesis

Answer 20

upper respiratory infection (usually viral); inflammation and edema of the mucosa, nasopharynx and Eustachian tube; obstruction of Eustachian tube; mucus, other secretions and pathogens accumulate behind the obstruction in the middle ear

Question 21

otitis-conjunctivitis

Answer 21

ear pain beginning within 0-3 days of conjunctivitis onset

Question 22

serous otitis media

Answer 22

another name for otitis media with effusion

Question 23

which ear infection is more chronic

Answer 23

Otitis media with effusion (greater than 3 months, usually occurs after AOM)

Question 24

clinical manifestations of otitis media with effusion

Answer 24

asymptomatic, hearing loss, feeling of fullness in ear, no ear pain or fever