Answers
Koilonychias – answer spoon shaped nails
class of abx to treat pertussis – answer macrolide
how to diagnose thalassemia – answer hemoglobin electrophoresis
absent red reflex on fundoscopy of an older adult indicative – answer cataracts
cup to disc ratio >0.5 indicative – answer glaucoma
absent venous pulsations on fundoscopy indicative of – answer papilledema
blood in centre of optic disc on fundoscopy indicative – answer SAH
HIV and sulfa drug reaction – answer morbilliform rash
fitz hugh curtis syndrome – answer complication of PID (usually chlamydia) -
inflammation of liver capsule
normal intraocular pressure - answer10-22 mm Hg
chadwicks sign - answerchange in COLOUR- bluish of vagina and cervix (probable sign
of pregnancy)
thiazide diuretics side effects (hyper/hypo): - answerhyperglycemia, hyperuricemia,
hypertriglyceridemia, hyPOmagnesemia, hyponatremia, hypokalemia
side effects of aldosterone antagonist/ mineralocorticoid receptor antagonist -
answerhyperkalemia, gynecomastia, GI, ED
diverticulitis treatment - answercipro/flagyl
diagnostics for cholecystitis: - answerU/S if inconclusive-HYDA scan
abdo pain +elevated triglycerides ddx: - answerpancreatitis
best agents for lowering triglycerides - answerniacin, fibrates
Oslers nodes and Janeway lesions sign of - answerbacterial endocarditis
,metabolic syndrome criteria - answer- Men waist *>40 inches* - women *>35 inches*
- HTN
- TG *>150* / FPG>100 / HDL <40 (men) - <50 (women)
CAP tx (no comorbidity): - answerazithromycin/clarithromycin or if abx in past 3 months:
doxycycline or levofloxacin or macrolide + amox or amox/clav
CAP with comorbidity tx: - answermoxi or another resp fluoroquinolone or beta lactam
+macrolide
criteria for hospitalization pneumonia - answerconfusion, BUN>19.6, R>30, BP>90/60,
age>65
Tb may show + for those who've had - answerBCG vaccine (bacillus calmette guerin)
active TB treatment: - answerRIPE (rifampin, isoniazid, pyrazinamide, ethambutol)
+ TB test fpr 1. no known risk factors, 2. recent contact with infectious
TB/immunocompromised, 3. new immigrant from high prevalent country - answer1.
>15mm 2. >5mm, 3. >10mm
severe persistent asthma FEV1 - answer<60% predicted
intermittent asthma FEV1 - answer>80% predicted
intermittent asthma night time awakenings - answerless than twice per month
DM diagnosis: - answerA1C: >/6.5%
FPG >/126
2 hour PP glucose >/200 during OGTT
Random: >/200 with sx
pre-DM diagnosis - answerFBG 100-125 or
2 hr PBG 140-199 or
Alc 5.7-6.4%
contraindications to metformin: - answerhepC, binge drinking (predispose to lactic
acidosis)
tx for hyperthyroidism in pregnancy - answerPTU
Graves disease antibody present: - answerTRAb (thyrotropin receptor antibodies)/ TSI
(thyroid stimulating immunoglobulin)
cold spot on thyroid scan - answerNot metabolically active, may be cancerous need
biopsy
, after starting LT4, recheck TSH in - answer6-8 weeks
most common cause of hypothyroid (in US) - answerHashimoto's thyroiditis
amount of LT4 adults need - answer1.6mcg/kg/day
LT4 dosing based on - answerideal body weight
oversupplementing LT4 can result in - answerafib, bone loss
normal ratio veins to arteries on fundoscopy - answer3:2
test to determine whether HepC is current or past infection - answerHCV RNA
PEF measurement determined by - answerheight, age, gender
S3 is not normal if - answer>40 yrs
pernicious anemia CBC differential - answerMCV high
MCHC normal
beta thalassemia minor type of anemia - answermicrocytic hypochromic
lead poisoning results in what kind of anemia - answermicrocytic
enterobiasis dx - answerscotch tape test (pin worms)
at what grade can a thrill be palpated - answergrade 4 and up
calorie content of breast milk - answer20kcal/30mL
bronchiolitis symptoms - answerfever, insp/exp wheeze, clear nasal d/c
thyroid screen indicated - answerwoman >50yr
normal creatinine - answer0.6-1.2 mg/dL
RhoGAM mechanism of action - answerdestroy Rh+ fetal cells in maternal circulation
severe persistent asthma FEV1 - answer<60%
removing psoriasis plaques causes - answerbleeding (Auspitz sign)
tx for localized impetigo - answertopical mupirocin