NU 518 Exam 3 (2026) Actual Exam
Questions and Answers A+ Graded
A .35-year-old .archaeologist .comes .to .your .office .(located .in .Phoenix, .Arizona)
.for .a .regular .skin .check-up. .She .has .just .returned .from .her .annual .dig .site .in
.Greece. .She .has .fair .skin .and .reddish-blonde .hair. .She .has .a .family .history .of
.melanoma. .She .has .many .freckles .scattered .across .her .skin. .From .this
.description, .which .of .the .following .is .not .a .risk .factor .for .melanoma .in
this .patient? A) .Age
B) .Hair .color
C) .Actinic .lentigines
D) .Heavy .sun .exposure .- .CORRECT .ANSWER-A
You .are .speaking .to .an .8th .grade .class .about .health .prevention .and .are
.preparing .to .discuss .the .ABCDEs .of .melanoma. .Which .of .the .following
.descriptions .correctly .defines .the .ABCDEs?
A) .A .= .actinic; .B .= .basal .cell; .C .= .color .changes, .especially .blue; .D .= .diameter
.>6 .mm; .E .=evolution
B) .A .= .asymmetry; .B .= .irregular .borders; .C .= .color .changes, .especially .blue; .D
.= .diameter .>6 .mm; .E .= .evolution
C) .A .= .actinic; .B .= .irregular .borders; .C .= .keratoses; .D .= .dystrophic .nails; .E .=
.evolution
D) .A .= .asymmetry; .B .= .regular .borders; .C .= .color .changes, .especially .orange;
.D .= .diameter .>6 .mm; .E .= .evolution .- .CORRECT .ANSWER-B
You .are .beginning .the .examination .of .the .skin .on .a .25-year-old .teacher. .You
.have .previously .elicited .that .she .came .to .the .office .for .evaluation .of .fatigue,
.weight .gain, .and .hair .loss. .You .strongly .suspect .that .she .has .hypothyroidism.
.What .is .the .expected .moisture .and .texture .of .the .skin .of .a .patient .with
.hypothyroidism?
A) .Moist .and .smooth
B) .Moist .and .rough
C) .Dry .and .smooth
D) .Dry .and .rough .- .CORRECT .ANSWER-D
A .28-year-old .patient .comes .to .the .office .for .evaluation .of .a .rash. .At .first .there
.was .only .one .large .patch, .but .then .more .lesions .erupted .suddenly .on .the .back
,.and .torso; .the .lesions .itch. .On .physical .examination, .you .note .that .the .pattern
.of .eruption .is .like .a .Christmas .tree .and .that .there .are .a .variety .of .erythematous
.papules .and .macules .on .the .cleavage .lines .of .the .back. .Based .on
.this .description, .what .is .the .most .likely .diagnosis? A) .Pityriasis .rosea
B) .Tinea .versicolor
C) .Psoriasis
D) .Atopic .eczema .- .CORRECT .ANSWER-A
A .19-year-old .construction .worker .presents .for .evaluation .of .a .rash. .He .notes
.that .it .started .on .his .back .with .a .multitude .of .spots .and .is .also .on .his .arms,
.chest, .and .neck. .It .itches .a .lot. .He .does .sweat .more .than .before .because .being
.outdoors .is .part .of .his .job. .On .physical .examination, .you .note .dark .tan
.patches .with .a .reddish .cast .that .has .sharp .borders .and .fine .scales, .scattered
.more .prominently .around .the .upper .back, .chest, .neck, .and .upper .arms .as .well
.as .under .the .arms. .Based .on .this .description, .what .is .your .most .likely
.diagnosis?
A) .Pityriasis .rosea
B) .Tinea .versicolor
C) .Psoriasis
D) .Atopic .eczema .- .CORRECT .ANSWER-B
A .68-year-old .retired .farmer .comes .to .your .office .for .evaluation .of .a .skin .lesion.
.On .the .right .temporal .area .of .the .forehead, .you .see .a .flattened .papule .the
.same .color .as .his .skin, .covered .by .a .dry .scale .that .is .round .and .feels .hard. .He
.has .several .more .of .these .scattered .on .the .forehead, .arms, .and .legs. .Based .on
.this .description, .what .is .your .most .likely .diagnosis?
A) .Actinic .keratosis
B) .Seborrheic .keratosis
C) .Basal .cell .carcinoma
D) .Squamous .cell .carcinoma .- .CORRECT .ANSWER-A
A .58-year-old .gardener .comes .to .your .office .for .evaluation .of .a .new .lesion .on
.her .upper .chest. .The .lesion .appears .to .be ."stuck .on" .and .is .oval, .brown, .and
.slightly .elevated .with .a .flat .surface. .It .has .a .rough, .wartlike .texture .on
.palpation. .Based .on .this .description, .what .is .your .most .likely .diagnosis?
A) .Actinic .keratosis
B) .Seborrheic .keratosis
C) .Basal .cell .carcinoma
D) .Squamous .cell .carcinoma .- .CORRECT .ANSWER-B
A .72-year-old .teacher .comes .to .a .skilled .nursing .facility .for .rehabilitation .after
,.being .in .the .hospital .for .6 .weeks. .She .was .treated .for .sepsis .and .respiratory
.failure .and .had .to .be .on .the .ventilator .for .3 .weeks. .You .are .completing .your
.initial .assessment .and .are .evaluating .her .skin .condition. .On .her .sacrum .there
.is .full-thickness .skin .loss .that .is .5 .cm .in .diameter, .with .damage .to .the
.subcutaneous .tissue. .The .underlying .muscle .is .not .affected. .You .diagnose .this
.as .a .pressure .ulcer. .What .is .the .stage .of .this .ulcer?
A) .Stage .1
B) .Stage .2
C) .Stage .3
, D) .Stage .4 .- .CORRECT .ANSWER-C
An .8-year-old .girl .comes .with .her .mother .for .evaluation .of .hair .loss. .She .denies
.pulling .or .twisting .her .hair, .and .her .mother .has .not .noted .this .behavior .at .all.
.She .does .not .put .her .hair .in .braids. .On .physical .examination, .you .note .a
.clearly .demarcated, .round .patch .of .hair .loss .without .visible .scaling .or
.inflammation. .There .are .no .hair .shafts .visible. .Based .on .this .description, .what
is .your .most .likely .diagnosis?
A) .Alopecia .areata
B) .Trichotillomania
C) .Tinea .capitis
D) .Traction .alopecia .- .CORRECT .ANSWER-A
A .mother .brings .her .11 .month .old .to .you .because .her .mother-in-law .and .others
.have .told .her .that .her .baby .is .jaundiced. .She .is .eating .and .growing .well .and
.performing .the .developmental .milestones .she .should .for .her .age. .On
.examination .you .indeed .notice .a .yellow .tone .to .her .skin .from .head .to .toe. .Her
.sclerae .are .white. .To .which .area .should .your .next .questions .be .related?
A) .Diet
B) .Family .history .of .liver .diseases
C) .Family .history .of .blood .diseases
D) .Ethnicity .of .the .child .- .CORRECT .ANSWER-A
A .new .mother .is .concerned .that .her .child .occasionally ."turns .blue." .On .further
.questioning, .she .mentions .that .this .is .at .her .hands .and .feet. .She .does .not
.remember .the .child's .lips .turning .blue. .She .is .otherwise .eating .and .growing
.well. .What .would .you .do .now?
A) .Reassure .her .that .this .is .normal
B) .Obtain .an .echocardiogram .to .check .for .structural .heart .disease .and .consult
.cardiology
C) .Admit .the .child .to .the .hospital .for .further .observation
D) .Question .the .validity .of .her .story .- .CORRECT .ANSWER-A
You .are .examining .an .unconscious .patient .from .another .region .and .notice
.Beau's .lines, .a .transverse .groove .across .all .of .her .nails, .about .1 .cm .from .the
.proximal .nail .fold. .What .would .you .do .next?
A) .Conclude .this .is .caused .by .a .cultural .practice.
B) .Conclude .this .finding .is .most .likely .secondary .to .trauma.
C) .Look .for .information .from .family .and .records .regarding .any .problems .which
.occurred .3 .months .ago.
D) .Ask .about .dietary .intake. .- .CORRECT .ANSWER-C
Dakota .is .a .14-year-old .boy .who .just .noticed .a .rash .at .his .ankles. .There .is .no
Questions and Answers A+ Graded
A .35-year-old .archaeologist .comes .to .your .office .(located .in .Phoenix, .Arizona)
.for .a .regular .skin .check-up. .She .has .just .returned .from .her .annual .dig .site .in
.Greece. .She .has .fair .skin .and .reddish-blonde .hair. .She .has .a .family .history .of
.melanoma. .She .has .many .freckles .scattered .across .her .skin. .From .this
.description, .which .of .the .following .is .not .a .risk .factor .for .melanoma .in
this .patient? A) .Age
B) .Hair .color
C) .Actinic .lentigines
D) .Heavy .sun .exposure .- .CORRECT .ANSWER-A
You .are .speaking .to .an .8th .grade .class .about .health .prevention .and .are
.preparing .to .discuss .the .ABCDEs .of .melanoma. .Which .of .the .following
.descriptions .correctly .defines .the .ABCDEs?
A) .A .= .actinic; .B .= .basal .cell; .C .= .color .changes, .especially .blue; .D .= .diameter
.>6 .mm; .E .=evolution
B) .A .= .asymmetry; .B .= .irregular .borders; .C .= .color .changes, .especially .blue; .D
.= .diameter .>6 .mm; .E .= .evolution
C) .A .= .actinic; .B .= .irregular .borders; .C .= .keratoses; .D .= .dystrophic .nails; .E .=
.evolution
D) .A .= .asymmetry; .B .= .regular .borders; .C .= .color .changes, .especially .orange;
.D .= .diameter .>6 .mm; .E .= .evolution .- .CORRECT .ANSWER-B
You .are .beginning .the .examination .of .the .skin .on .a .25-year-old .teacher. .You
.have .previously .elicited .that .she .came .to .the .office .for .evaluation .of .fatigue,
.weight .gain, .and .hair .loss. .You .strongly .suspect .that .she .has .hypothyroidism.
.What .is .the .expected .moisture .and .texture .of .the .skin .of .a .patient .with
.hypothyroidism?
A) .Moist .and .smooth
B) .Moist .and .rough
C) .Dry .and .smooth
D) .Dry .and .rough .- .CORRECT .ANSWER-D
A .28-year-old .patient .comes .to .the .office .for .evaluation .of .a .rash. .At .first .there
.was .only .one .large .patch, .but .then .more .lesions .erupted .suddenly .on .the .back
,.and .torso; .the .lesions .itch. .On .physical .examination, .you .note .that .the .pattern
.of .eruption .is .like .a .Christmas .tree .and .that .there .are .a .variety .of .erythematous
.papules .and .macules .on .the .cleavage .lines .of .the .back. .Based .on
.this .description, .what .is .the .most .likely .diagnosis? A) .Pityriasis .rosea
B) .Tinea .versicolor
C) .Psoriasis
D) .Atopic .eczema .- .CORRECT .ANSWER-A
A .19-year-old .construction .worker .presents .for .evaluation .of .a .rash. .He .notes
.that .it .started .on .his .back .with .a .multitude .of .spots .and .is .also .on .his .arms,
.chest, .and .neck. .It .itches .a .lot. .He .does .sweat .more .than .before .because .being
.outdoors .is .part .of .his .job. .On .physical .examination, .you .note .dark .tan
.patches .with .a .reddish .cast .that .has .sharp .borders .and .fine .scales, .scattered
.more .prominently .around .the .upper .back, .chest, .neck, .and .upper .arms .as .well
.as .under .the .arms. .Based .on .this .description, .what .is .your .most .likely
.diagnosis?
A) .Pityriasis .rosea
B) .Tinea .versicolor
C) .Psoriasis
D) .Atopic .eczema .- .CORRECT .ANSWER-B
A .68-year-old .retired .farmer .comes .to .your .office .for .evaluation .of .a .skin .lesion.
.On .the .right .temporal .area .of .the .forehead, .you .see .a .flattened .papule .the
.same .color .as .his .skin, .covered .by .a .dry .scale .that .is .round .and .feels .hard. .He
.has .several .more .of .these .scattered .on .the .forehead, .arms, .and .legs. .Based .on
.this .description, .what .is .your .most .likely .diagnosis?
A) .Actinic .keratosis
B) .Seborrheic .keratosis
C) .Basal .cell .carcinoma
D) .Squamous .cell .carcinoma .- .CORRECT .ANSWER-A
A .58-year-old .gardener .comes .to .your .office .for .evaluation .of .a .new .lesion .on
.her .upper .chest. .The .lesion .appears .to .be ."stuck .on" .and .is .oval, .brown, .and
.slightly .elevated .with .a .flat .surface. .It .has .a .rough, .wartlike .texture .on
.palpation. .Based .on .this .description, .what .is .your .most .likely .diagnosis?
A) .Actinic .keratosis
B) .Seborrheic .keratosis
C) .Basal .cell .carcinoma
D) .Squamous .cell .carcinoma .- .CORRECT .ANSWER-B
A .72-year-old .teacher .comes .to .a .skilled .nursing .facility .for .rehabilitation .after
,.being .in .the .hospital .for .6 .weeks. .She .was .treated .for .sepsis .and .respiratory
.failure .and .had .to .be .on .the .ventilator .for .3 .weeks. .You .are .completing .your
.initial .assessment .and .are .evaluating .her .skin .condition. .On .her .sacrum .there
.is .full-thickness .skin .loss .that .is .5 .cm .in .diameter, .with .damage .to .the
.subcutaneous .tissue. .The .underlying .muscle .is .not .affected. .You .diagnose .this
.as .a .pressure .ulcer. .What .is .the .stage .of .this .ulcer?
A) .Stage .1
B) .Stage .2
C) .Stage .3
, D) .Stage .4 .- .CORRECT .ANSWER-C
An .8-year-old .girl .comes .with .her .mother .for .evaluation .of .hair .loss. .She .denies
.pulling .or .twisting .her .hair, .and .her .mother .has .not .noted .this .behavior .at .all.
.She .does .not .put .her .hair .in .braids. .On .physical .examination, .you .note .a
.clearly .demarcated, .round .patch .of .hair .loss .without .visible .scaling .or
.inflammation. .There .are .no .hair .shafts .visible. .Based .on .this .description, .what
is .your .most .likely .diagnosis?
A) .Alopecia .areata
B) .Trichotillomania
C) .Tinea .capitis
D) .Traction .alopecia .- .CORRECT .ANSWER-A
A .mother .brings .her .11 .month .old .to .you .because .her .mother-in-law .and .others
.have .told .her .that .her .baby .is .jaundiced. .She .is .eating .and .growing .well .and
.performing .the .developmental .milestones .she .should .for .her .age. .On
.examination .you .indeed .notice .a .yellow .tone .to .her .skin .from .head .to .toe. .Her
.sclerae .are .white. .To .which .area .should .your .next .questions .be .related?
A) .Diet
B) .Family .history .of .liver .diseases
C) .Family .history .of .blood .diseases
D) .Ethnicity .of .the .child .- .CORRECT .ANSWER-A
A .new .mother .is .concerned .that .her .child .occasionally ."turns .blue." .On .further
.questioning, .she .mentions .that .this .is .at .her .hands .and .feet. .She .does .not
.remember .the .child's .lips .turning .blue. .She .is .otherwise .eating .and .growing
.well. .What .would .you .do .now?
A) .Reassure .her .that .this .is .normal
B) .Obtain .an .echocardiogram .to .check .for .structural .heart .disease .and .consult
.cardiology
C) .Admit .the .child .to .the .hospital .for .further .observation
D) .Question .the .validity .of .her .story .- .CORRECT .ANSWER-A
You .are .examining .an .unconscious .patient .from .another .region .and .notice
.Beau's .lines, .a .transverse .groove .across .all .of .her .nails, .about .1 .cm .from .the
.proximal .nail .fold. .What .would .you .do .next?
A) .Conclude .this .is .caused .by .a .cultural .practice.
B) .Conclude .this .finding .is .most .likely .secondary .to .trauma.
C) .Look .for .information .from .family .and .records .regarding .any .problems .which
.occurred .3 .months .ago.
D) .Ask .about .dietary .intake. .- .CORRECT .ANSWER-C
Dakota .is .a .14-year-old .boy .who .just .noticed .a .rash .at .his .ankles. .There .is .no
