USMLEasy 6 Flashcards
Impetigo caused by?
Staph > strep
Latency, symptom severity, direction of nystagmus, and effect of repetition when Dix Hallpike maneuver used for peripheral etiologies of vertigo?
Central causes of vertigo?
3-10 seconds, severe, fixed direction and repeating the maneuver lessons the symptoms
No latency, mild symptoms, variable direction, and no lessening of symptoms with repeat maneuvers,
Patients with first episode of wheezing will require what test?
CXR (peak flow testing not useful in first episode)
Test for screening pregnant women for diabetes? Positive?
One hour glucose tolerance test; three hour glucose tolerance test
Work up for worsening, untreated primary dysmenorrhea with normal history and physical?
Trial of NSAIDs (without further workup)
Murphy’s positive for?
Cholecystitis (not gallstones)
When should patients be tested for HIV medication resistance?
#newly diagnosed #pregnant
Treatment for fatigue in terminal cancer patient with no signs of depression, anemia, or laboratory abnormalities?
# stimulant (methylphenidate) #steroid
Statins that have less drug interactions?
#Pravastatin #fluvastatin #rosuvastatin
Not metabolized by cytochrome P450
Most suspicious characteristics for breast discharge? (ie. most likely to be cancer?)
Spontaneous, unilateral discharge >bloody discharge
Most common cause of iron deficiency anemia?
Blood loss >poor iron absorption
Positive Sperling test. Most likely diagnosis?
Disc herniation (not seen with cervical strain, spondylosis, osteoarthritis)
Symptoms of iritis? (Pain, color, discharge, visual acuity, reactivity?
(uveitis) #Deep, boring pain #Injected conjunctiva #Minimum discharge #Decreased visual acuity but normal reactivity
Signs of conjunctivitis? Sign that’s disfavors conjunctivitis?
#Redness #Tearing # discharge #Photophobia
Pain
Types of chest pain?
#Classical angina (pressure with exertion) #Atypical angina (pressure OR discomfort with angina) #Anginal equivalent (dyspnea without chest pain) #Non-anginal (stabbing, shooting, chatting, tingling)
Most common cause of thyroiditis? Aka? Presentation?
Versus subacute lymphocytic thyroiditis?
Versus subacute granulomatous thyroiditis?
Versus suppurative thyroiditis?
Versus invasive fibrous thyroiditis?
Large nontender thyroid
Chronic lymphocytic thyroiditis; Hashimoto’s; Enlargement of the thyroid with associated tenderness
Role of stress, dirty skin, greasy diet, and oily skin on acne development?
Only stress plays a role
Acceptable routes of administration of testosterone?
Transdermal patches or gel
Oral testosterone not recommended because of first pass metabolism and potential of liver damage
Bariatric surgery can result in how much weight loss? How common are complications? Mortality rates?
BMI cutoffs?
50%; 40%; under 1%
Over 40 or over 35 with comorbidities
Postexposure prophylaxis against HIV?
Immediate testing for HIV antibodies not vital load) and two drug therapy
Effect of Donepezil on Alzheimer’s dementia?
Mild improvement in cognition but no effect on progression of neuroneurodegeneration
Risk factors for adverse postoperative outcomes?
#Type II diabetes #Hyperlipidemia #Congestive heart failure #Poor functional capacity (unable to walk four blocks or up two flights of stairs)
Obesity is not a risk factor
Components of sexual response?
#Libido – requires androgens and intact sensory system #Arousal (erections) – affected by vascular problems, stressors, alcohol abuse
Most common cause of inability to achieve erection despite strong sexual interest?
Vascular problem
Stages of kidney failure?
#Stage 0 – GFR over 90 #Stage 1 – GFR over 90 but evidence of microglobinuria or proteinuria #Stage 2 – GFR 60-90 #Stage 3–30-60 #Stage 4 – GFR 15-30 #Staige 5 – GFR under 15
