NURS 5334 QUIZ 2
Advanced Pharmacology for Nurse Practitioners
University of Texas at Arlington (UTA)
100-Question Original Practice Assessment 2026/2027 Edition
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1. A clinical scenario most strongly supports use of which medication when the treatment goal is short-term
treatment of severe localized inflammatory dermatoses such as thick plaque psoriasis?
A) Clobetasol propionate
B) Topical metronidazole
C) Permethrin
D) Terbinafine
Correct Answer: A) Clobetasol propionate
Rationale: Clobetasol propionate is appropriate because its established therapeutic role includes short-term treatment
of severe localized inflammatory dermatoses such as thick plaque psoriasis. Its pharmacology is consistent with this
use: a high-potency topical glucocorticoid that suppresses inflammatory gene transcription through intracellular
glucocorticoid receptors. The alternatives have different primary indications or mechanisms, so choosing them would
not best match the stated treatment goal.
2. Which mechanism best explains the therapeutic action of Clobetasol propionate?
A) An allylamine antifungal that inhibits squalene epoxidase, decreasing ergosterol synthesis and causing toxic
squalene accumulation in fungi
B) An antimicrobial with anti-inflammatory activity that reduces inflammatory lesions in rosacea
C) A high-potency topical glucocorticoid that suppresses inflammatory gene transcription through intracellular
glucocorticoid receptors
D) A synthetic pyrethroid that disrupts parasite sodium-channel function, producing paralysis and death
Correct Answer: C) A high-potency topical glucocorticoid that suppresses inflammatory gene transcription through
intracellular glucocorticoid receptors
Rationale: Clobetasol propionate works as a high-potency topical glucocorticoid that suppresses inflammatory gene
transcription through intracellular glucocorticoid receptors. That mechanism directly accounts for its clinical use in
short-term treatment of severe localized inflammatory dermatoses such as thick plaque psoriasis. The distractors
describe mechanisms of other drug classes and would predict different therapeutic effects and adverse-effect profiles.
3. Which adverse-effect pattern is most important for the prescriber to associate with Clobetasol propionate?
A) Hepatotoxicity, gastrointestinal effects, rash, and taste or smell disturbance
B) Skin atrophy and, with extensive prolonged use, hypothalamic-pituitary-adrenal axis suppression
C) Transient burning, stinging, itching, or erythema after application
D) Local dryness, burning, stinging, or irritation at the application site
Correct Answer: B) Skin atrophy and, with extensive prolonged use, hypothalamic-pituitary-adrenal axis suppression
Rationale: A clinically important risk of Clobetasol propionate is skin atrophy and, with extensive prolonged use,
hypothalamic-pituitary-adrenal axis suppression. This follows from the drug's pharmacologic class and exposure
pattern. Recognizing this toxicity guides monitoring, dose decisions, and patient education; the other choices are more
characteristic of different medications.
4. Which counseling statement is most appropriate for a patient who is prescribed Clobetasol propionate?
A) Report symptoms of liver injury such as dark urine or jaundice, and complete laboratory monitoring when
clinically indicated.
Original Practice Assessment | 2026/2027 Edition
, NURS 5334 Quiz 2 | Advanced Pharmacology | UTA
B) Apply gently to clean, dry skin and avoid contact with the eyes and mucous membranes; benefit develops over
repeated use.
C) Apply a thin layer only to affected areas for the prescribed short course; avoid routine use on the face, groin,
and large body-surface areas unless specifically directed.
D) For scabies, apply as directed over the recommended body surface for the full contact time and treat close
contacts or environmental sources when indicated.
Correct Answer: C) Apply a thin layer only to affected areas for the prescribed short course; avoid routine use on the
face, groin, and large body-surface areas unless specifically directed.
Rationale: The best counseling point for Clobetasol propionate is: Apply a thin layer only to affected areas for the
prescribed short course; avoid routine use on the face, groin, and large body-surface areas unless specifically directed.
This instruction reduces a predictable treatment risk and supports safe, effective use. The alternative statements
belong to other therapies and could lead to ineffective treatment, preventable toxicity, or inappropriate monitoring if
applied here.
5. A clinical scenario most strongly supports use of which medication when the treatment goal is maintenance or
combination treatment of plaque psoriasis?
A) Calcipotriene
B) Adapalene
C) Terbinafine
D) Methoxsalen
Correct Answer: A) Calcipotriene
Rationale: Calcipotriene is appropriate because its established therapeutic role includes maintenance or combination
treatment of plaque psoriasis. Its pharmacology is consistent with this use: a vitamin D analog that slows keratinocyte
proliferation and promotes cellular differentiation. The alternatives have different primary indications or mechanisms,
so choosing them would not best match the stated treatment goal.
6. Which mechanism best explains the therapeutic action of Calcipotriene?
A) A psoralen that intercalates with DNA and becomes photoactivated by UVA during PUVA therapyB) A topical
retinoid receptor agonist that normalizes follicular epithelial differentiation and reduces microcomedone
formation
C) An allylamine antifungal that inhibits squalene epoxidase, decreasing ergosterol synthesis and causing toxic
squalene accumulation in fungi
D) A vitamin D analog that slows keratinocyte proliferation and promotes cellular differentiation
Correct Answer: D) A vitamin D analog that slows keratinocyte proliferation and promotes cellular differentiation
Rationale: Calcipotriene works as a vitamin D analog that slows keratinocyte proliferation and promotes cellular
differentiation. That mechanism directly accounts for its clinical use in maintenance or combination treatment of
plaque psoriasis. The distractors describe mechanisms of other drug classes and would predict different therapeutic
effects and adverse-effect profiles.
7. Which adverse-effect pattern is most important for the prescriber to associate with Calcipotriene?
A) Local irritation and, with excessive exposure, disturbances in calcium homeostasis
B) Dryness, peeling, burning, and increased sensitivity to sunlight
C) Hepatotoxicity, gastrointestinal effects, rash, and taste or smell disturbance
D) Phototoxic burns, premature photoaging, cataract risk without eye protection, and increased skin-cancer risk
with cumulative exposure
Correct Answer: A) Local irritation and, with excessive exposure, disturbances in calcium homeostasis Rationale: A
clinically important risk of Calcipotriene is local irritation and, with excessive exposure, disturbances in calcium
Original Practice Assessment | 2026/2027 Edition