OME 3

Question 1

hx ear infection, swelling behind ear, anteriorly rotated ear

Answer 1

mastoiditis

rx surgical decompression

Question 2

baby turns cyanotic with feeds, pink with crying,
childhood snore

dx, how to dx, and rx

Answer 2

choanal atresia

dx with pass catheter, fiber optic wire

rx surgery

Question 3

rejecting null hypothesis when it is actually true

stating that there is a difference when there really isn’t

Answer 3

type I error (1-alpha)

alpha usually is .05

Question 4

guessing that null hypothesis is true when it is actually false
(saying there is no difference when there actually is)

Answer 4

type 2 error (beta)

statistical power = 1-beta

Question 5

percent of time that you reject null hypothesis when it is actually false…

what is this value and how to increase it?

Answer 5

statistical power
1-beta

increase with larger sample size!

Question 6

difference between probability and odds

Answer 6

prob: events/events+nonevents
odds: events/nonevents

Question 7

when do probability and odds roughly equal to each other

Answer 7

events very small

in RARE DISEASES

Question 8

fixed split s2

Answer 8

ASD

Question 9

continuous machine like murmur/ multiphasic murmur

Answer 9

PDA

Question 10

infant of DM mother increase risk for which heart defect

Answer 10

transpo great vessels

baby is saved by keeping PDA open with PGE