Self Study 3

Question 1

group of microbes responsible for common cold

Answer 1

rhinovirus
parainfluenza
respiratory syncytial virus
coronavirus
adenovirus

Question 2

MoT common cold

Answer 2

person to person droplet

Question 3

what population is a major resevoir for common cold

Answer 3

peds

Question 4

what are the most common portals of entry

Answer 4

nasal mucosa

conjuctival surface of eye

Question 5

when is the CC most contagious

Answer 5

first 3 days after onset of symptoms

Question 6

incubation period of the CC

Answer 6

5 days

Question 7

common mnfts of the CC

Answer 7

headache
malaise
dryness, stuffiness of nose, nasal sec
membranes in URT become swollen with sec
sore throat

Question 8

extreme mnfts of CC

Answer 8

chills, fever, exhaustion

Question 9

how do yo utreat CC

Answer 9

rest

antipyretics

Question 10

what is important to remember about the CC and otc drugs

Answer 10

dont shorten cold duration, only tx symptoms

Question 11

use of antihistamines in CC

Answer 11

for runny nose

Question 12

what does inc use of antihistamines in the CC result in

Answer 12

drying up sec,
worsening cough
causing CNS depression

Question 13

how do decongestants work

Answer 13

constrict blood vessels in swollen nasal mucosa, dec swelling and fluid

Question 14

what do decongestants do in high doses

Answer 14

inc BP

Question 15

use of echinacea in CC

Answer 15

if taken after onset of symptoms, it may shorten them

Question 16

zinc and vit C for tx of CC

Answer 16

some studies say it works while others say it doesnt

Question 17

how is coughing different in cold vs the flu

Answer 17

prod cough in cold

Question 18

how is stuffy nose different in cold vs flu

Answer 18

no stuffy nose in flu

Question 19

how do cold symptoms progress vs flu symptoms

Answer 19

cold: over a few days
flu: rapid in 3-6 hours

Question 20

is headache common in cold

Answer 20

no

Question 21

which sinuses are included in rhinosinusitis

Answer 21

frontal, ethomoid, maxillary, sphenoidal

Question 22

what 2 microbes most commonly cause infc in rhinosinusitis

Answer 22

haemophilus influenzae

stretococcus pnuemoniae

Question 23

mnfts of rihinosinusitis

Answer 23

facial pain
headache
purulent nasal discharge
dec sense of smell
fever

Question 24

dx of rhinosinusitis

Answer 24

hx, px, nose and throat inspection

Question 25

how is sinusitis headache exxagerated

Answer 25

with bending over, sneezing, coughing

Question 26

how is RS txed

Answer 26

on cause, may include abx, corticosteroids, mucolytics, symptom releif. inc drainage by dec congestion

Question 27

when are abx used in RS

Answer 27

if the infection doesnt clear up within 7 days, and presnt inc mnfts

Question 28

why is it important to be wary of decongestant use

Answer 28

may cause rebound congestion if used >3-5 days

Question 29

when are intracranial comps most commonly seen in RS

Answer 29

with infc of frontal and ethmoid sinuses dt proximity to the dura + drainage of veins from frontal sinus to dura sinus

Question 30

orbital complications in RS

Answer 30

edema of eyelids orbital cellulitis subperosteal abscess formation

Question 31

what intercranial complicatiosn req immediate attention

Answer 31

``` swelling over involved sinus abn extraocular movements protrusion of eyeball periorbital edema changes in mental status ```

Question 32

what does dec o2 in the sinuses faciliate

Answer 32

bacterial growth

Question 33

what are the most common causes of RS

Answer 33

conditions that obstr the osita that drain the sinuses

Question 34

when does Rs usually dev

Answer 34

when a URT or allergic rhinitis obstrs ostia + compromises mucociliary blanket

Question 35

what else can cause RS

Answer 35

nasal polyps obstr ostia