A 10-year-old child presents to the school nurse with complaints of an itchy rash on the right arm.
Based on these findings, identify the medical term of this rash, and what would be the common topical treatment drug class.
Eczema, treated with topical corticosteroids.
Psoriasis, treated with topical calcineurin inhibitors.
Contact dermatitis, treated with topical antihistamines.
Tinea corporis, treated with topical antifungals.
The Correct Answer is A
Choice A rationale
Eczema, also known as atopic dermatitis, is a chronic inflammatory skin condition characterized by pruritus (itching), erythema (redness), and scaling. Topical corticosteroids are the first-line treatment due to their potent anti-inflammatory and immunosuppressive properties, which help to reduce the inflammatory response in the skin and alleviate itching.
Choice B rationale
Psoriasis is a chronic autoimmune skin disorder characterized by thickened, scaly plaques. Topical calcineurin inhibitors are used to treat psoriasis by suppressing the activity of T-cells, which are involved in the inflammatory process. The presentation of an itchy rash as the primary finding is less consistent with typical psoriasis.
Choice C rationale
Contact dermatitis is an inflammatory skin reaction resulting from direct contact with an irritant or allergen, often presenting with redness, swelling, and vesicles in addition to itching. While topical antihistamines can help with itching associated with allergic reactions, topical corticosteroids are generally more effective for managing the inflammation in contact dermatitis.
Choice D rationale
Tinea corporis, or ringworm, is a fungal infection of the skin characterized by circular, raised, scaly patches with central clearing. Topical antifungals are the appropriate treatment for tinea infections as they inhibit the growth and reproduction of the dermatophyte fungi causing the infection.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Choice A rationale
Using antibacterial soap for general handwashing is a good hygiene practice but does not directly prevent tick bites. Tick prevention focuses on avoiding tick-infested areas and creating a barrier against ticks.
Choice B rationale
Wearing long sleeves and pants outdoors, especially in wooded or grassy areas where ticks are commonly found, is a crucial measure for preventing tick bites. This creates a physical barrier that reduces the skin's exposure to ticks.
Choice C rationale
While avoiding wooded areas can reduce the risk of tick exposure, it may not always be practical or possible. Emphasizing protective clothing and other preventive measures allows children to engage in outdoor activities while minimizing risk.
Choice D rationale
Applying sunscreen protects against sunburn but does not prevent tick bites. While important for overall skin health, sunscreen does not deter or kill ticks. Insect repellents containing DEET or picaridin are effective against ticks. .
Correct Answer is A
Explanation
Choice A rationale
Urinary tract infections can cause bladder irritation and dysfunction, leading to symptoms such as frequency, urgency, and nocturia, which can manifest as enuresis, especially secondary enuresis (bedwetting that starts after a period of dryness). Therefore, assessing for a UTI is a crucial first step to rule out a treatable medical cause. Normal urine specific gravity ranges from 1.005 to 1.030, and a urinalysis can detect the presence of bacteria, white blood cells, or nitrites indicative of infection.
Choice B rationale
Psychological stressors can contribute to enuresis, particularly secondary enuresis. Anxiety, family changes, or school-related stress can manifest physically. While important to explore, medical causes like UTIs should be ruled out first.
Choice C rationale
Sleep patterns are relevant in the context of enuresis, as bedwetting occurs during sleep. However, assessing for a medical cause like a UTI should precede a detailed evaluation of sleep habits.
Choice D rationale
A family history of enuresis can suggest a genetic predisposition. However, the immediate nursing priority is to assess for and rule out treatable underlying medical conditions, such as a urinary tract infection.
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