Detailed Rationales, Advanced Pathophysiology,
Pharmacology, Physical Assessment & Clinical
Scenarios for NP Success | Frequently Most Tested
Questions and Accurate Answers | Newest Version!!!
Question 1
A 69-year-old fair-skinned man presents to the clinic for evaluation of a lesion on
his nose. He reports that it has been present for approximately 8 months and
has slowly enlarged. The lesion occasionally bleeds after washing his face but is
otherwise painless.
On examination, you observe a 6-mm pearly, flesh-colored papule with rolled
borders and visible telangiectasias.
Which diagnosis is MOST likely?
A. Squamous cell carcinoma
B. Basal cell carcinoma
C. Malignant melanoma
D. Actinic keratosis
Correct Answer:
B. Basal cell carcinoma
Comprehensive Rationale
Basal cell carcinoma (BCC) is the most common skin cancer in the United
States. It originates from the basal cells of the epidermis and is strongly
associated with chronic ultraviolet (UV) exposure. BCC grows slowly and rarely
metastasizes, but it can cause significant local tissue destruction if left
untreated.
,The patient's lesion demonstrates classic features of BCC:
• Pearly or translucent appearance
• Rolled, raised borders
• Telangiectasias (visible small blood vessels)
• Slow growth
• Intermittent bleeding after minor trauma
• Location on a sun-exposed area (nose)
Because BCC often develops gradually, patients may delay seeking care until
the lesion enlarges or begins to ulcerate. Early recognition is important to
minimize tissue destruction and improve cosmetic outcomes.
Why the Other Answers Are Incorrect
A. Squamous cell carcinoma
Squamous cell carcinoma typically presents as a firm, erythematous, scaly
plaque or nodule that may ulcerate. It lacks the classic pearly appearance and
rolled borders seen with BCC.
C. Malignant melanoma
Melanoma usually appears as a pigmented lesion with asymmetry, irregular
borders, color variation, diameter greater than 6 mm, or evolution over time
(ABCDE criteria). The lesion described is not pigmented.
D. Actinic keratosis
Actinic keratoses are rough, scaly, erythematous patches that are considered
premalignant. They do not have the pearly, translucent appearance of BCC.
Clinical Pearl
Remember the classic description: "Pearly papule with rolled borders and
telangiectasias." This is one of the most recognizable board-style presentations
of basal cell carcinoma.
Board Exam Tip
On the APEA exam, a slow-growing pearly lesion on the nose, cheeks, ears, or
neck should immediately raise suspicion for basal cell carcinoma.
,Question 2
A nurse practitioner evaluates a patient with a suspicious skin lesion on the
cheek. The lesion has features highly suggestive of basal cell carcinoma.
Which diagnostic test is considered the gold standard for confirming the
diagnosis?
A. Dermoscopy
B. Skin scraping
C. Biopsy
D. Wood's lamp examination
Correct Answer
C. Biopsy
Comprehensive Rationale
The gold standard for diagnosing basal cell carcinoma is a skin biopsy.
Histopathologic examination confirms the diagnosis, identifies the subtype, and
helps guide treatment planning.
Common biopsy techniques include:
• Shave biopsy
• Punch biopsy
• Excisional biopsy
Selection depends on lesion size, location, and clinical suspicion.
If biopsy cannot be performed in the primary care setting, referral to a
dermatologist is appropriate.
Why the Other Answers Are Incorrect
A. Dermoscopy
Dermoscopy can improve visualization of skin structures and increase
diagnostic accuracy but does not replace histologic confirmation.
B. Skin scraping
, Skin scraping is primarily used to diagnose fungal infections or infestations such
as scabies and is not appropriate for diagnosing BCC.
D. Wood's lamp examination
A Wood's lamp is useful for certain pigment disorders and fungal infections but
has no role in confirming basal cell carcinoma.
Clinical Pearl
Whenever a suspicious skin lesion cannot be confidently diagnosed clinically,
biopsy is the definitive diagnostic test.
Board Exam Tip
If an exam question asks for the gold standard for diagnosing skin cancer, the
answer is almost always biopsy.
Question 3
Which patient has the greatest risk of developing basal cell carcinoma?
A. A 25-year-old woman with darkly pigmented skin and no history of sun
exposure
B. A 72-year-old fair-skinned man with decades of outdoor occupational sun
exposure
C. A 40-year-old woman with eczema
D. A 55-year-old man with psoriasis
Correct Answer
B. A 72-year-old fair-skinned man with decades of outdoor occupational sun
exposure
Comprehensive Rationale
Risk factors for basal cell carcinoma include:
• Fair skin (Fitzpatrick skin types I and II)
• Chronic ultraviolet (UV) exposure
• Advanced age