USMLE Step 2 CK: Prevention
and Screening Exam Questions
with Correct Verified Solutions
100% Guaranteed Pass
1. Tetanus, diptheria, and pertussis - ANS ✓Tdap once or for
pregnant women once for each pregnancy
Td every 10 years following the single Tdap dose.
2. Modality to follow chronic hepatitis B infection - ANS ✓hbeag and
ALT - need serial measurements of both every 3-6 months until
hbeag disappears.
≥3 ALT and ≥2 hbeag negative measurements to be declared inactive
carrier state.
3. Screening guidelines for benign prostatic hypertrophy - ANS
✓screen based on history, digital rectal exam, and urinalysis to rule
out urinary infection and hematuria. If life expectancy is >10 yrs also
obtain serum PSA.
4. Indications for a Td and Tdap - ANS ✓Tdap is indicated in adult
HIV - one dose of Tdap followed by every 10 yrs of Td booster.
Tdap is also indicated in all pregnancies (including HIV)
USMLE Step 2 CK: Prevention and Screening
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USMLE
5. Which substances must be held 48 hours prior to cardiac stress
testing - ANS ✓-> nitrates, calcium channel blockers, and beta
blockers
-> caffeine
-> dipyridamole (persantine)
6. Lung cancer screening - ANS ✓annual low dose CT-scan for adults
ages 55-80 with > 30 pack-year smoking history whom currently
smoke or have quit in the last 15 years
7. Screening for diabetes - ANS ✓ADA recommends screening in all
patients >45 y.o. Or diabetic risk factors with overweight BMI -
physical inactivity, first degree relatives with DM, non-white
ethnicity, LGA-neonates >9lbs, Hx of gestational diabetes, HTN, CVD,
DLD, PCOS, Hx glucose intolerance
8. Indications for home oxygen - ANS ✓o2sat <88% or
pao2<55mmhg
Or o2sat <89% or pao2<59mmhg with concurrent edema secondary to
heart failure, P-pulmonale on EKG, or Hct>56%
9. Postop black tarry stools in patient on aspirin and heparin - ANS
✓most commonly stress gastritis leading to GI bleeding. It is
important to give IV PPI or H2 blockers. Risk factors include
prolonged intubation, coagulopathy, burns, cranial trauma, and those
on heparin, or aspirin.
10. Lynch syndrome(HNPCC) diagnosis requires screening for
what else besides the colon - ANS ✓If patient is a female under the
USMLE Step 2 CK: Prevention and Screening
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