Dermatologic & Ophthalmic Drugs PNLE Questions
Introduction
The live published inventory for Dermatologic & Ophthalmic Drugs contains 6 original PNLE-style practice questions, last updated August 12, 2026. This compact set trains safe decisions about topical skin, eye, and ear medications: identifying the intended route and effect, preparing and administering a product correctly, evaluating response, teaching precautions, and recognizing when a finding needs follow-up.
Use this topic as a pharmacology lens, not as a separate official PNLE subject. Tangerine places NP7 Pharmacology across relevant competencies in the official five-subject PNLE TOS; the 2025 Enhanced TOS supplies the broad competency framework, while this page organizes practice around medication decisions. It does not assign a guaranteed weight to this microtopic, and the exact distribution can vary by exam form.
Keep the boundary clear: topical skin, eye, and ear therapy belongs here, while systemic anti-infective treatment is studied under Anti-infectives. Questions may ask you to retrieve a drug effect, explain why a treatment is used, or analyze administration and safety cues rather than simply name a medication.
Key concepts
- Confirm the route and treatment site
Recognize: Skin, eye, and ear products are topical but have different administration requirements, intended tissues, and safety checks. The label, order, patient, site, and formulation must agree.
Decide: Verify that the product is meant for the documented site before preparing it, then reassess the finding the medication is intended to change.
Avoid: Treating topical products as interchangeable or assuming that a skin preparation is safe for the eye or ear. - Protect the eye from contamination
Recognize: Ophthalmic administration requires clean technique, correct positioning, and accurate placement in the lower conjunctival sac. A solution and a suspension may require different product-specific preparation.
Decide: Check the label, instill only the prescribed amount without touching the dropper to the eye or lashes, and follow instructions for eyelid closure or spacing between products.
Avoid: Allowing the applicator tip to contact tissue, rubbing the eye, or judging effectiveness before the medication has had the intended opportunity to work. - Interpret an ophthalmic adrenergic effect
Recognize: An ophthalmic adrenergic drug such as phenylephrine may be used for an intended pupil response, so pupil dilation can be an expected finding in the right context. The patient’s symptoms and safety status still matter.
Decide: Connect the observed pupil change to the ordered drug and purpose, then assess for concerning or worsening responses that require follow-up.
Avoid: Calling every pupil change an adverse reaction or dismissing new pain, marked visual change, or other concerning findings as routine. - Link latanoprost with glaucoma control
Recognize: Latanoprost is used to lower intraocular pressure, making consistent use and follow-up important even when the patient does not feel an immediate change.
Decide: Explain that prescribed treatment supports pressure control and helps reduce the risk of glaucoma progression; reinforce the ordered schedule and follow-up plan.
Avoid: Advising the patient to stop therapy because vision seems unchanged or promising that treatment will restore vision already lost. - Use dexamethasone ophthalmic treatment cautiously
Recognize: Dexamethasone eye treatment is intended to reduce ocular inflammation, while corticosteroid therapy can mask or worsen an infection if used in the wrong situation.
Decide: Confirm the indication, monitor the response, and direct worsening pain, visual change, or infection concerns for prompt evaluation according to the care plan.
Avoid: Treating an unexplained red eye with a steroid based only on redness or extending therapy without reassessment. - Apply skin medication with controlled exposure
Recognize: Topical skin therapy depends on the correct lesion or area, clean and dry application as directed, and protection of nearby tissue. Gloves may be needed for medication handling or contact precautions.
Decide: Apply the ordered amount and coverage, assess the skin before and after treatment, and document the patient’s response or irritation.
Avoid: Adding occlusive coverings, mixing products, or applying medication to broken or unintended areas unless the order or product directions support it. - Administer otic medication as an ear-specific treatment
Recognize: Ear drops require verification of the correct ear, product, and technique; the patient’s position and product temperature can affect comfort and tolerance.
Decide: Follow the ordered technique, use a product-specific instruction for warming when applicable, keep the applicator from entering deeply, and allow the medication to remain as directed.
Avoid: Substituting an ophthalmic or skin product without an order, inserting cotton swabs deeply, or ignoring increased pain, drainage, or hearing changes.
What to expect on the PNLE
The six-question inventory supports several question forms. Expect direct recognition of a topical drug or intended effect, teaching and administration decisions, and short clinical comparisons in which the route, finding, or response changes the safest action. The representative coverage includes ophthalmic adrenergic safety, latanoprost and glaucoma control, phenylephrine effects, dexamethasone eye treatment, and medication decisions involving a skin condition; use these as scope signals, not as a promise of repeated wording.
- Remembering: Retrieve route-specific effects, treatment purposes, and basic precautions.
- Understanding: Explain how a medication’s intended effect relates to the patient’s condition or teaching need.
- Analyzing: Sort expected findings from concerning cues and select the safest next nursing action using the site, medication, and response.
The live cognitive distribution is 4 remembering items, 1 understanding item, and 1 analyzing item. Difficulty is distributed as 3 easy, 1 medium, and 2 hard items in this inventory; these labels describe this practice set, not a guaranteed board-exam pattern. Exact topic distribution varies by exam form, and the official TOS remains a broad competency framework across the five official PNLE subjects rather than a separate pharmacology subject.
Study tips
- Start with diagnostic practice. Answer all 6 inventory questions without notes. For every missed or guessed item, label the problem as drug effect, route, administration, safety cue, or question interpretation; this shows where review should begin.
- Use focused retrieval. Create brief cards for phenylephrine, latanoprost, dexamethasone, and representative skin and ear preparations. Each card should ask: What is the site? What is the intended effect? What finding changes the next nursing action?
- Review rationales and errors actively. Rewrite each error as a cue-to-action chain: clinical cue, medication risk or purpose, safest nursing response. Make a comparison table with these columns: product or class, target site and purpose, expected effect, safety cue, and action. Use rows for phenylephrine eye drops, latanoprost, dexamethasone eye treatment, and skin or ear topical therapy.
- Retry with spacing. Re-answer missed items later the same day, again after several days, and again after about a week without looking at the rationale first. Explain the answer aloud, including why the most tempting distractor is less safe.
- Finish with mixed timed practice. Combine this lens with Anti-infectives, Respiratory & Allergy Drugs, Special Populations Pharmacology, and other PNLE competency contexts. Use a fixed short time, then review both incorrect answers and correct answers selected for the wrong reason.
Common mistakes to avoid
- Choosing by drug name while ignoring the site. Learners may recognize a familiar medication and overlook whether it is ordered for skin, eye, or ear use. The correcting cue is route verification: match the formulation, documented site, and prescribed purpose before deciding.
- Labeling every pupil change as harmful. This misses the intended effect of an ophthalmic adrenergic drug such as phenylephrine. First connect the finding with the drug’s purpose, then separate an expected response from new pain, significant visual change, or another concerning cue.
- Stopping glaucoma treatment when the patient feels no difference. Pressure control may not produce an immediate sensation, so subjective improvement is a poor measure of effectiveness. Reinforce the prescribed schedule and follow-up rather than advising independent discontinuation.
- Using dexamethasone for any red or irritated eye. Redness alone does not establish the indication, and steroid treatment may mask or worsen infection. Check the treatment purpose and escalate worsening symptoms or infection concerns instead of extending therapy automatically.
- Skipping technique because the medication is topical. Contamination, wrong-site administration, excess exposure, and poor reassessment can still cause harm. Clean technique, accurate placement, product-specific instructions, and response assessment remain safety principles.
- Classifying every infection-related question under this topic. The route and treatment scope determine the correct study area. Topical skin, eye, and ear medications fit this lens; systemic anti-infective treatment belongs in Anti-infectives.
Try a question
A real Dermatologic & Ophthalmic Drugs question from our bank. Give it a shot.
After phenylephrine eye drops, a patient has dilated pupils with unchanged near-focus ability, BP 188/104, and pounding headache. Which interpretation is most accurate?
Phenylephrine is a potent alpha-1 adrenergic agonist primarily used in eye drops to induce mydriasis (pupil dilation) for ophthalmic procedures. When used properly, phenylephrine achieves dilation without significant impact on accommodation (near-focus ability) because it does not affect ciliary muscle function, which is under cholinergic, not adrenergic, control.
In this scenario, the patient exhibits expected mydriasis with preserved near vision, indicating the intended pharmacologic effect on the iris. However, the development of a severe elevation in blood pressure (188/104 mmHg) and pounding headache are not normal findings following eye drop application. These symptoms signal systemic absorption leading to excessive alpha-adrenergic stimulation, which causes peripheral vasoconstriction and acute hypertensive response, a potentially dangerous adverse effect. Immediate recognition and clinical intervention are essential, as such hypertensive episodes can place patients at risk for cardiovascular or neurologic complications (e.g., stroke).
| Option | Rationale |
|---|---|
| A | This option underestimates the clinical urgency. While mydriasis is expected, the markedly elevated blood pressure and headache require prompt provider notification and monitoring for complications, rather than delay for a routine reassessment. |
| B | The correct interpretation. Mydriasis is expected, but the hypertensive crisis and headache indicate systemic alpha-adrenergic toxicity to phenylephrine. This is a dangerous reaction and warrants urgent provider notification. |
| C | Incorrect pharmacology. Phenylephrine induces mydriasis by stimulating alpha-1, not beta, adrenergic receptors in the iris dilator muscle. Beta-adrenergic stimulation would not have this effect. |
| D | While some patients may have pre-existing hypertension, this answer ignores the temporal association: the acute, severe rise in BP and headache immediately after phenylephrine suggests an iatrogenic (drug-induced) reaction needing urgent clinical attention rather than just baseline hypertension. |
Key Nursing Concepts:
- Always monitor for and report acute systemic side effects after topical adrenergic drugs, especially in patients with cardiovascular risks.
- Recognize the difference between expected ophthalmic effects (mydriasis without cycloplegia) vs. severe acute systemic toxicity (hypertension, headache).
Clinical Pearl: Remember "P for Phenylephrine, Pressure", systemic absorption can push up blood pressure. Always check for cardiovascular symptoms after administration.
Relevant pathophysiology: Alpha-1 agonism leads to vasoconstriction and can dangerously increase afterload and cause acute hypertension, especially in susceptible individuals.
U.S. FDA. (n.d.). Phenylephrine hydrochloride ophthalmic solution prescribing information. https://www.accessdata.fda.gov/drugsatfda_docs/label/2015/207926s000lbl.pdf
Hinkle, Janice L., Cheever, Kerry H., & Overbaugh, Kristen J. (2022). Brunner & Suddarth's Textbook of Medical-Surgical Nursing (15th ed.). Wolters Kluwer. https://shop.lww.com/Brunner---Suddarth-s-Textbook-of-Medical-Surgical-Nursing/p/9781975161033
More Dermatologic & Ophthalmic Drugs questions
6 questions available. Sign up to practice all of them.
A glaucoma patient’s intraocular pressure falls after nightly latanoprost but existing visual-field loss remains. Which explanation best integrates the response and limitation?
A patient is diagnosed with shingles. Which medication should the nurse expect to administer regularly to manage this condition?
In assessing the effectiveness of phenylephrine eye drops, the nurse should expect her patient to have which of the following physiologic responses?
References and further reading
- PRC Enhanced Table of Specifications for the Nurses Licensure Examination official
The current public competency and cognitive-level blueprint, effective from the November 2025 NLE onward. - Tangerine Prep PNLE Reviewer question bank
The live source for the published question count, question previews, rationales, and inventory distributions on this page.
How this page is built
The counts and distributions on this page come from Tangerine Prep's live published question bank. The source inventory was last updated on August 12, 2026.
The questions are original PNLE-style practice items, not recalled or leaked board questions. Topic scope follows Tangerine's pedagogical taxonomy and is mapped to the PRC 2025 Enhanced Table of Specifications, effective from the November 2025 NLE onward. Exact topic distribution varies by exam form.