صH10:46H2024/3/2 APEAH3PHEXAMHPREP5HDermatologyHQuestionsHWITHH100%HCorrectHA
9 n…
APEAH 3PH EXAMH PREP5H DERMATOLOGY
QUESTIONSHWITHH100%HCORRECTHA
H
NSWERSHANDHEXPANATION
TheH mostH commonH placeH forH aH basalH cellH carcinomaH toH beH foundH isH the:
scalp.HF
ace.HEa
r.HAnter
iorHshin.
B.
TheH mostH commonH presentationH ofH basalH cellH carcinomaH (BCC)H isH onH theH f
ace.H ThisHisHprobablyH becauseHBCCH occursHHsecondaryHHtoHsunH damage.HH Th
eHmostHHcommonHsunH exposureH occursH onH theH face.H InH fact,H 70%H ofH BCC
H occursH onH theH face;H 15%H occursH ontheH trunk.
AHtopicalHtreatment H forH basalH cellH carcinomaH is:
sulfacetamideH lotion
.H5-
fluorouracil.Htetracy
clineH lotion.Htrichlo
roaceticHacid.HB.
SeveralH treatmentsH existH forH basal H andH squamousH cellH carcinoma.H TheH majo
rityH areHsimpleH proceduresH likeH cryotherapy,H electrodessication,H surgicalH excisi
on,H andH a
topicalHtreatmentH likeH 5-fluorouracilH (5-
FU).H TheH otherH agentsH listedH areH notH usedH toHtreatH basalH orH squamousH cellH
carcinoma.H 5-
FUH worksH byH inhibitingH DNAH synthesis.HItH iseffectiveH ifH usedH forH superficial H
basalH cellH carcinomas.H ItH isH availableH inH creamH andHsolutionHandHisH usuallyHa
ppliedHtwiceHdailyHforH3-6H weeks.
ImpetigoHisH characterizedH
by:Hhoney-colored
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,صH10:46H2024/3/2 APEAH3PHEXAMHPREP5HDermatologyHQuestionsHWITHH100%HCorrectHA
9 n…
crusts.silveryHscales
.Hmarble-
likeH lesions.H wheal
sHwithHpus.
A.
ImpetigoH isH aH superficial H bacterialH infectionH ofH theH skinH characterized H byH hon
ey-
H coloredH crusts.H Another H formH ofH impetigoH isH characterizedH byH theH presenceH
ofH bullae.HTheseH infectionsH areH treatedH withH topicalH antibiotics,H goodH hygiene,
H andH frequent H handH washing.H ItH isH usuallyH causedH byH Staphylococcus H orH Gr
oupH AH Streptococcus.
AH patientH wasH burnedH withH hotH water.H HeH hasH severalH 2-3H cmH fluid-
filledH lesions.HWhatareHtheseHtermed?
VesicleH
sBullae
HCystsH
Wheals
HB.
BullaeH areHfluid-
filledH lesionsH thatH areH greaterH thanH 6H mmH inH diameter.H TheseH areHcommonHi
nHpatientsHwhoHhaveHaHsuperficialHpartial-
thicknessHburn.HVesiclesHareHalsoHfluidH filled,H butHtheyH areH smallerHthanH 5H m
mH inH diameter.H AH cystH isH enclosedH inH aH sacHthatH canH containH fluidH orH gelati
nousH material.H WhealsH areH erythematous,H irregularHraisedHareasHonH theHskin.
H AllH ofH theseH areH termedH primary H lesions.
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,صH10:46H2024/3/2 APEAH3PHEXAMHPREP5HDermatologyHQuestionsHWITHH100%HCorrectHA
9 n…
TheH bestH wayH toH evaluateH jaundiceH associatedH withH liverH diseaseH isH toH observe:
blanchingH ofHtheH hands,H feet,HandH nails.
theHsclera,H skin,H andHlips.
theHlips,H oralH mucosa,HandH tongu
e.HtympanicH membraneH andH skinH
only.B.
LookingH atH theH scleraH allowsH theH examinerH toH seeH jaundiceH mostH easilyH and
H reliably.HJaundiceH mayH alsoH appearH inH theH palpebral H conjunctiva,H lips,H hard
H palate,H undersurfaceH ofH theH tongue,H tympanic H membrane,H andH skin. H Jaundi
ceH inH adultsHusuallyH isH aH resultH ofH liverH disease,H butH itHcanH beH dueHtoH exce
ssiveH hemolysisH ofH redH bloodH cells.H InH infants,H theH usualH causeH isH hemolysis
H ofH redH bloodH cells,H asH isH seenH in Hphysiologic H jaundice.
AH74-year-
oldH maleHpatientHhasHsustainedHaHlacerationHtoHhisHfoot.HHisHlastHtetanusHs
hotHwasH moreHthanH10HyearsHago.HHeHhasHcompletedHtheHprimaryHserie
s.H WhatHshouldH beHrecommended?
TetanusHtoxoidHHonlyH Tet
anusH andH diphtheriaH only
HisHprimaryHseriesHwillHprotectHhim.H Te
tanus,H diphtheria,H andH acellularH pertussis
H(Tdap)D.
MoreH thanH 10H yearsH hasH elapsedH sinceH thisH patient’sH lastH tetanusH shot.H He
H needsH anotherH one.H TdapH isH specificallyH indicated H forH adolescents,H older H a
dults,Hhealthcareproviders,H andH thirdH trimesterH pregnantH patientsH whoH have
H completedH aHprimaryH series.H TetanusH toxoidH isH indicatedH inH theH rareH adult
H orH childH whoH isH allergic HtoH theH aluminumH adjuvant H inH theH TdHimmunizati
on.
7-
H AH patient H presents H withH smallH vesiclesH onH theH lateralH edgesH ofH hisH fingersH
andHintenseH itching.H OnH closeH inspection,H thereH areH smallH vesiclesH onH theH p
almarH surfaceHofHtheHhand.H WhatH isHthisHcalled?
SeborrheicH dermatiti
sHDyshidroticHderma
titisHerpesHzosterHV
aricella
about:blank 3/34
, صH10:46H2024/3/2 APEAH3PHEXAMHPREP5HDermatologyHQuestionsHWITHH100%HCorrectHA
9 n…
zoster
HB.
ThisH dermatitisH isH intenselyH pruriticH andH involvesH theH palmsH andH solesH an
dH lateralHaspectsH ofHtheH fingers.H OverHaHcoupleH ofH weeks,H theHvesiclesHdes
quamate.
RecurrencesH areH common.H SeborrheicH dermatitisH affectsH onlyH hairyH areasH ofH th
eH body.HTheH vesiclesH mightH raiseH suspicionH ofH aH viralH infection,H butH thisH isH no
tH presentH inH thisHcase.
about:blank 4/34
9 n…
APEAH 3PH EXAMH PREP5H DERMATOLOGY
QUESTIONSHWITHH100%HCORRECTHA
H
NSWERSHANDHEXPANATION
TheH mostH commonH placeH forH aH basalH cellH carcinomaH toH beH foundH isH the:
scalp.HF
ace.HEa
r.HAnter
iorHshin.
B.
TheH mostH commonH presentationH ofH basalH cellH carcinomaH (BCC)H isH onH theH f
ace.H ThisHisHprobablyH becauseHBCCH occursHHsecondaryHHtoHsunH damage.HH Th
eHmostHHcommonHsunH exposureH occursH onH theH face.H InH fact,H 70%H ofH BCC
H occursH onH theH face;H 15%H occursH ontheH trunk.
AHtopicalHtreatment H forH basalH cellH carcinomaH is:
sulfacetamideH lotion
.H5-
fluorouracil.Htetracy
clineH lotion.Htrichlo
roaceticHacid.HB.
SeveralH treatmentsH existH forH basal H andH squamousH cellH carcinoma.H TheH majo
rityH areHsimpleH proceduresH likeH cryotherapy,H electrodessication,H surgicalH excisi
on,H andH a
topicalHtreatmentH likeH 5-fluorouracilH (5-
FU).H TheH otherH agentsH listedH areH notH usedH toHtreatH basalH orH squamousH cellH
carcinoma.H 5-
FUH worksH byH inhibitingH DNAH synthesis.HItH iseffectiveH ifH usedH forH superficial H
basalH cellH carcinomas.H ItH isH availableH inH creamH andHsolutionHandHisH usuallyHa
ppliedHtwiceHdailyHforH3-6H weeks.
ImpetigoHisH characterizedH
by:Hhoney-colored
about:blank 1/34
,صH10:46H2024/3/2 APEAH3PHEXAMHPREP5HDermatologyHQuestionsHWITHH100%HCorrectHA
9 n…
crusts.silveryHscales
.Hmarble-
likeH lesions.H wheal
sHwithHpus.
A.
ImpetigoH isH aH superficial H bacterialH infectionH ofH theH skinH characterized H byH hon
ey-
H coloredH crusts.H Another H formH ofH impetigoH isH characterizedH byH theH presenceH
ofH bullae.HTheseH infectionsH areH treatedH withH topicalH antibiotics,H goodH hygiene,
H andH frequent H handH washing.H ItH isH usuallyH causedH byH Staphylococcus H orH Gr
oupH AH Streptococcus.
AH patientH wasH burnedH withH hotH water.H HeH hasH severalH 2-3H cmH fluid-
filledH lesions.HWhatareHtheseHtermed?
VesicleH
sBullae
HCystsH
Wheals
HB.
BullaeH areHfluid-
filledH lesionsH thatH areH greaterH thanH 6H mmH inH diameter.H TheseH areHcommonHi
nHpatientsHwhoHhaveHaHsuperficialHpartial-
thicknessHburn.HVesiclesHareHalsoHfluidH filled,H butHtheyH areH smallerHthanH 5H m
mH inH diameter.H AH cystH isH enclosedH inH aH sacHthatH canH containH fluidH orH gelati
nousH material.H WhealsH areH erythematous,H irregularHraisedHareasHonH theHskin.
H AllH ofH theseH areH termedH primary H lesions.
about:blank 2/34
,صH10:46H2024/3/2 APEAH3PHEXAMHPREP5HDermatologyHQuestionsHWITHH100%HCorrectHA
9 n…
TheH bestH wayH toH evaluateH jaundiceH associatedH withH liverH diseaseH isH toH observe:
blanchingH ofHtheH hands,H feet,HandH nails.
theHsclera,H skin,H andHlips.
theHlips,H oralH mucosa,HandH tongu
e.HtympanicH membraneH andH skinH
only.B.
LookingH atH theH scleraH allowsH theH examinerH toH seeH jaundiceH mostH easilyH and
H reliably.HJaundiceH mayH alsoH appearH inH theH palpebral H conjunctiva,H lips,H hard
H palate,H undersurfaceH ofH theH tongue,H tympanic H membrane,H andH skin. H Jaundi
ceH inH adultsHusuallyH isH aH resultH ofH liverH disease,H butH itHcanH beH dueHtoH exce
ssiveH hemolysisH ofH redH bloodH cells.H InH infants,H theH usualH causeH isH hemolysis
H ofH redH bloodH cells,H asH isH seenH in Hphysiologic H jaundice.
AH74-year-
oldH maleHpatientHhasHsustainedHaHlacerationHtoHhisHfoot.HHisHlastHtetanusHs
hotHwasH moreHthanH10HyearsHago.HHeHhasHcompletedHtheHprimaryHserie
s.H WhatHshouldH beHrecommended?
TetanusHtoxoidHHonlyH Tet
anusH andH diphtheriaH only
HisHprimaryHseriesHwillHprotectHhim.H Te
tanus,H diphtheria,H andH acellularH pertussis
H(Tdap)D.
MoreH thanH 10H yearsH hasH elapsedH sinceH thisH patient’sH lastH tetanusH shot.H He
H needsH anotherH one.H TdapH isH specificallyH indicated H forH adolescents,H older H a
dults,Hhealthcareproviders,H andH thirdH trimesterH pregnantH patientsH whoH have
H completedH aHprimaryH series.H TetanusH toxoidH isH indicatedH inH theH rareH adult
H orH childH whoH isH allergic HtoH theH aluminumH adjuvant H inH theH TdHimmunizati
on.
7-
H AH patient H presents H withH smallH vesiclesH onH theH lateralH edgesH ofH hisH fingersH
andHintenseH itching.H OnH closeH inspection,H thereH areH smallH vesiclesH onH theH p
almarH surfaceHofHtheHhand.H WhatH isHthisHcalled?
SeborrheicH dermatiti
sHDyshidroticHderma
titisHerpesHzosterHV
aricella
about:blank 3/34
, صH10:46H2024/3/2 APEAH3PHEXAMHPREP5HDermatologyHQuestionsHWITHH100%HCorrectHA
9 n…
zoster
HB.
ThisH dermatitisH isH intenselyH pruriticH andH involvesH theH palmsH andH solesH an
dH lateralHaspectsH ofHtheH fingers.H OverHaHcoupleH ofH weeks,H theHvesiclesHdes
quamate.
RecurrencesH areH common.H SeborrheicH dermatitisH affectsH onlyH hairyH areasH ofH th
eH body.HTheH vesiclesH mightH raiseH suspicionH ofH aH viralH infection,H butH thisH isH no
tH presentH inH thisHcase.
about:blank 4/34
