12. extra bits

Question 1

what parts of respiratory tract does croup affect?

Answer 1

epiglottis, VCs, trachea, bronchi

Question 2

what parts of respiratory tract does epiglottitis affect?

Answer 2

epiglottis and supra glottis

Question 3

what features would lead you to suspect orbital (rather than periorbital) cellulitis?

Answer 3

proptosis
impaired vision
painful eye movements

Question 4

treatment of periorbital cellulitis

Answer 4

IV ABx and CT

Question 5

markers of addiction

Answer 5

-use despite knowledge of harmful consequences
-cravings during abstinence
-fail to stop
-withdrawal symptoms during abstinence

Question 6

describe the pathophysiology behind nicotine addiction

Answer 6

acts on ACh receptors, stimulates dopamine release = satisfaction

ACh receptors are upregulated from chronic exposure, increased affinity and sensitivity for nicotine