Nokea
A patient asks about using minoxidil for hair thinning. Which statement about minoxidil is accurate?
- A. The product is applied once daily in the morning.
- B. Systemic absorption of topically applied minoxidil is rare.
- C. Results may be seen as soon as 2 weeks after beginning therapy.
- D. Systemic absorption may cause tachycardia, fluid retention, and weight gain.
Correct Answer: D
Rationale: Results of minoxidil therapy may not be seen for 4 months after beginning therapy. The product is applied twice daily, morning and evening, and systemic effects may result because of absorption.
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The preoperative nurse is ready to perform a skin prep with povidone-iodine on a patient who is about to have abdominal surgery. Which allergies, if present, would be a contraindication to this prep solution?
- A. Peanuts
- B. Shellfish
- C. Adhesives
- D. Latex
Correct Answer: B
Rationale: Povidone-iodine, a widely used antiseptic, cannot be used in patients who are allergic to iodine or have shellfish allergies.
A child has been diagnosed with impetigo, a skin infection. The nurse anticipates that which drug will be used to treat this condition?
- A. Spinosad
- B. Nystatin
- C. Acyclovir
- D. Mupirocin
Correct Answer: D
Rationale: Mupirocin is used on the skin for treatment of staphylococcal and streptococcal impetigo. Spinosad is used for pediculosis; nystatin is an antifungal drug; and acyclovir is an antiviral drug.
A child is being treated for head lice with spinosad. Which of these statements about treatment with spinosad is true? (Select all that apply.)
- A. You will need a prescription for a second product, malathion.
- B. You will also need to decontaminate clothes and personal items.
- C. Be sure to use a nit comb to remove nits from the hair shafts.
- D. Try combing through the hair with mineral oil to loosen the lice from the hair shafts.
- E. It is not necessary to comb the nits when using spinosad.
Correct Answer: B,E
Rationale: The clothing and personal articles of the infested person must be decontaminated. This is best accomplished by washing them in hot, soapy water or by dry cleaning them. Spinosad offers the benefit of not requiring nit combing as do the other treatments, and is a single treatment drug.
The nurse is reviewing laboratory results for a patient and notes that the patient has positive results for nasal colonization by methicillin-resistant Staphylococcus aureus (MRSA). The nurse anticipates an order for which medication?
- A. Acyclovir
- B. Mupirocin
- C. Clindamycin
- D. Clotrimazole
Correct Answer: B
Rationale: Mupirocin (Bactroban) is used on the skin for treatment of staphylococcal and streptococcal impetigo. It is used topically and intranasally to treat nasal colonization by MRSA; however, MRSA is becoming increasingly resistant to the drug.
A teenage boy is taking tretinoin for acne. Which statement will the nurse include in the teaching plan?
- A. Avoid foods that are heavy in salt and oils.
- B. This drug may cause increased redness of your skin.
- C. Try using an abrasive cleanser to remove old skin layers.
- D. Being out in the sunlight will help your skin heal.
Correct Answer: B
Rationale: Tretinoin may cause increased redness and drying, and the patient needs to avoid weather extremes, ultraviolet light, and abrasive cleansers. Certain foods do not need to be avoided.