Test 33 - Created July 28

Question 1

if researchers were unable to detect a difference btwn outcome of interest btwn 2 groups, why might it happen

Answer 1

small sample size -> decreased power -> possibly no statistical significance

Question 2

most effective contraceptive

Answer 2

progestin subdermal implant

Question 3

1st line tx for ITP if sxs or plt’s < 30k

Answer 3

steroids (next option is IVIg or anti-Rh(D))

Question 4

presentation of Parvovirus B19 in teen girl

Answer 4

flu-like syxs -> malar rash and arthralgias (symmetric jt pain, swelling, stiffness in PIPs and MCPs); may also see faint, erythematous, reticular rash

Question 5

risk associated with kidney donation and female donors

Answer 5

gestational complications (fetal loss, PreE, gDM, gHTN)

Question 6

presentation of PSGN

Answer 6

group A pharyngitis -> hematuria, edema, HTN

Question 7

tx of PSGN

Answer 7

loop diuretics; if anti-HTN med needed, go with CCB; if all of this refractory, do dialysis

Question 8

medicine for awake intubation (preferred method for people with difficult airways)

Answer 8

ketamine

Question 9

next best step if intubation or oxygenation isn’t possible in hypoxic, unstable patient

Answer 9

cricothyroidotomy

Question 10

tx of choroidal melanomas

Answer 10

large (10x3 mm) or sxs: radiotherapy

very large or extrascleral extension: enucleation surgery

Question 11

photoaging

Answer 11

intrinsic aging and damage caused by UV light; can also have AK’s, telangiectasias, and brown (liver) spots along with it

Question 12

when bisphosphonates is indicated

Answer 12

1. low bone mass with h/o fragility fracture
2. osteoporosis (DXA < -2.5)
3. osteopenia WITH 10yr probably of major osteoporotic fr >20% or hip fr >3%

Question 13

after CBC, CMP, TSH, and B12, what else should you test in pt w/ alcoholism and now dementia?

Answer 13

folate level

Question 14

Kaplan-Meier survival curve

Answer 14

used to represent probabilities that subjects survive in a study w/o an event