Page 1 of 169
NR 511 FINAL EXAM 2026/2027 ACTUAL
TEST WITH COMPLETE ACCURATE
QUESTIONS AND WELL ELABORATED
ANSWERS (CORRECT VERIFIED ANSWERS) A
NEW UPDATED VERSION 2025 |ALREADY
GRADED A+
Question 1
A 45-year-old man presents with a pruritic, erythematous,
well-demarcated plaque on his neck. He reports using a new
scented soap for the past week. What is the most likely
diagnosis?
A) Atopic dermatitis
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B) Irritant contact dermatitis
C) Allergic contact dermatitis
D) Psoriasis
Answer: C – Allergic contact dermatitis (type IV
hypersensitivity). Rationale: Well-demarcated, pruritic plaque
with history of new topical exposure; irritant contact dermatitis
typically appears sooner and is more painful than pruritic.
Question 2
A 7-year-old child has honey-crusted lesions around the nose.
Gram stain shows Gram-positive cocci in chains. What is the
next best step?
A) Oral vancomycin
B) Topical mupirocin
C) Incision and drainage
D) Oral cephalexin
Answer: B – Impetigo. Rationale: Localized non-bullous
impetigo is treated with topical mupirocin or retapamulin; oral
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antibiotics are reserved for widespread disease or if topical
fails.
Question 3
A 32-year-old woman has an annular rash with central
clearing on her thigh, no known tick exposure. KOH
preparation is negative. What is the most likely diagnosis?
A) Tinea corporis
B) Nummular eczema
C) Erythema migrans
D) Granuloma annulare
Answer: D – Granuloma annulare. Rationale: Annular plaque
with central clearing, KOH negative, no tick exposure – tinea
would be KOH positive, erythema migrans requires tick
exposure.
Question 4
A 40-year-old man has scaly, silvery plaques on his elbows
and knees with nail pitting. What is the first-line topical
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treatment?
A) Topical corticosteroids
B) Oral methotrexate
C) UVB phototherapy
D) Coal tar
Answer: A – Psoriasis. Rationale: Mild to moderate plaque
psoriasis is initially treated with topical corticosteroids;
systemic therapy or phototherapy is for extensive or resistant
disease.
Question 5
A 58-year-old with a chronic leg wound shows pale
granulation tissue and no signs of infection. What wound care
product is most appropriate?
A) Wet-to-dry saline gauze
B) Hydrogel
C) Silver sulfadiazine
D) Povidone-iodine
Answer: B – Hydrogel. Rationale: Hydrogel maintains a moist
NR 511 FINAL EXAM 2026/2027 ACTUAL
TEST WITH COMPLETE ACCURATE
QUESTIONS AND WELL ELABORATED
ANSWERS (CORRECT VERIFIED ANSWERS) A
NEW UPDATED VERSION 2025 |ALREADY
GRADED A+
Question 1
A 45-year-old man presents with a pruritic, erythematous,
well-demarcated plaque on his neck. He reports using a new
scented soap for the past week. What is the most likely
diagnosis?
A) Atopic dermatitis
,Page 2 of 169
B) Irritant contact dermatitis
C) Allergic contact dermatitis
D) Psoriasis
Answer: C – Allergic contact dermatitis (type IV
hypersensitivity). Rationale: Well-demarcated, pruritic plaque
with history of new topical exposure; irritant contact dermatitis
typically appears sooner and is more painful than pruritic.
Question 2
A 7-year-old child has honey-crusted lesions around the nose.
Gram stain shows Gram-positive cocci in chains. What is the
next best step?
A) Oral vancomycin
B) Topical mupirocin
C) Incision and drainage
D) Oral cephalexin
Answer: B – Impetigo. Rationale: Localized non-bullous
impetigo is treated with topical mupirocin or retapamulin; oral
,Page 3 of 169
antibiotics are reserved for widespread disease or if topical
fails.
Question 3
A 32-year-old woman has an annular rash with central
clearing on her thigh, no known tick exposure. KOH
preparation is negative. What is the most likely diagnosis?
A) Tinea corporis
B) Nummular eczema
C) Erythema migrans
D) Granuloma annulare
Answer: D – Granuloma annulare. Rationale: Annular plaque
with central clearing, KOH negative, no tick exposure – tinea
would be KOH positive, erythema migrans requires tick
exposure.
Question 4
A 40-year-old man has scaly, silvery plaques on his elbows
and knees with nail pitting. What is the first-line topical
, Page 4 of 169
treatment?
A) Topical corticosteroids
B) Oral methotrexate
C) UVB phototherapy
D) Coal tar
Answer: A – Psoriasis. Rationale: Mild to moderate plaque
psoriasis is initially treated with topical corticosteroids;
systemic therapy or phototherapy is for extensive or resistant
disease.
Question 5
A 58-year-old with a chronic leg wound shows pale
granulation tissue and no signs of infection. What wound care
product is most appropriate?
A) Wet-to-dry saline gauze
B) Hydrogel
C) Silver sulfadiazine
D) Povidone-iodine
Answer: B – Hydrogel. Rationale: Hydrogel maintains a moist
