USMLEasy 6

Question 0

Impetigo caused by?

Answer 0

Staph > strep

Question 1

Latency, symptom severity, direction of nystagmus, and effect of repetition when Dix Hallpike maneuver used for peripheral etiologies of vertigo?

Central causes of vertigo?

Answer 1

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,

Question 2

Patients with first episode of wheezing will require what test?

Answer 2

CXR (peak flow testing not useful in first episode)

Question 3

Test for screening pregnant women for diabetes? Positive?

Answer 3

One hour glucose tolerance test; three hour glucose tolerance test

Question 4

Work up for worsening, untreated primary dysmenorrhea with normal history and physical?

Answer 4

Trial of NSAIDs (without further workup)

Question 5

Murphy’s positive for?

Answer 5

Cholecystitis (not gallstones)

Question 6

When should patients be tested for HIV medication resistance?

Answer 6

#newly diagnosed
#pregnant

Question 7

Treatment for fatigue in terminal cancer patient with no signs of depression, anemia, or laboratory abnormalities?

Answer 7

# stimulant (methylphenidate)
#steroid

Question 8

Statins that have less drug interactions?

Answer 8

#Pravastatin
#fluvastatin
#rosuvastatin 

Not metabolized by cytochrome P450

Question 9

Most suspicious characteristics for breast discharge? (ie. most likely to be cancer?)

Answer 9

Spontaneous, unilateral discharge >bloody discharge

Question 10

Most common cause of iron deficiency anemia?

Answer 10

Blood loss >poor iron absorption

Question 11

Positive Sperling test. Most likely diagnosis?

Answer 11

Disc herniation (not seen with cervical strain, spondylosis, osteoarthritis)

Question 12

Symptoms of iritis? (Pain, color, discharge, visual acuity, reactivity?

Answer 12

(uveitis)
#Deep, boring pain
#Injected conjunctiva
#Minimum discharge
#Decreased visual acuity but normal reactivity

Question 13

Signs of conjunctivitis? Sign that’s disfavors conjunctivitis?

Answer 13

#Redness
#Tearing
# discharge
#Photophobia

Pain

Question 14

Types of chest pain?

Answer 14

#Classical angina (pressure with exertion)
#Atypical angina (pressure OR discomfort with angina)
#Anginal equivalent (dyspnea without chest pain)
#Non-anginal (stabbing, shooting, chatting, tingling)

Question 15

Most common cause of thyroiditis? Aka? Presentation?

Versus subacute lymphocytic thyroiditis?

Versus subacute granulomatous thyroiditis?

Versus suppurative thyroiditis?

Versus invasive fibrous thyroiditis?

Answer 15

Large nontender thyroid

Chronic lymphocytic thyroiditis; Hashimoto’s; Enlargement of the thyroid with associated tenderness

Question 16

Role of stress, dirty skin, greasy diet, and oily skin on acne development?

Answer 16

Only stress plays a role

Question 17

Acceptable routes of administration of testosterone?

Answer 17

Transdermal patches or gel

Oral testosterone not recommended because of first pass metabolism and potential of liver damage

Question 18

Bariatric surgery can result in how much weight loss? How common are complications? Mortality rates?

BMI cutoffs?

Answer 18

50%; 40%; under 1%

Over 40 or over 35 with comorbidities

Question 19

Postexposure prophylaxis against HIV?

Answer 19

Immediate testing for HIV antibodies not vital load) and two drug therapy

Question 20

Effect of Donepezil on Alzheimer’s dementia?

Answer 20

Mild improvement in cognition but no effect on progression of neuroneurodegeneration

Question 21

Risk factors for adverse postoperative outcomes?

Answer 21

#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

Question 22

Components of sexual response?

Answer 22

#Libido – requires androgens and intact sensory system
#Arousal (erections) – affected by vascular problems, stressors, alcohol abuse

Question 23

Most common cause of inability to achieve erection despite strong sexual interest?

Answer 23

Vascular problem

Question 24

Stages of kidney failure?

Answer 24

#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