Chapter 60 Drug Therapy for Disorders of the Skin


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Chapter 60  Drug Therapy for Disorders of the Skin



Complete chapter Questions And Answers

Sample Questions



1. A teenager is using a tanning bed two times per week. Which cells within the skin change color in response to the tanning bed’s lights?

  1. A)  Melanocytes
  2. B)  Stratum corneum
  3. C)  Merkel cells
  4. D)  Dermis

Ans: A
Melanocytes are pigment-producing cells located at the junction of the epidermis and the dermis. The stratum corneum, Merkel cells, and dermis do not perform this role.

2. A teenager is being treated for acne vulgaris. Which oral antibiotics may be prescribed to treat acne?

  1. A)  Neomycin and vancomycin
  2. B)  Gentamicin and Rocephin
  3. C)  Tetracycline and erythromycin
  4. D)  Bacitracin and polymyxin B

Ans: C Feedback:

Commonly used oral antibiotics for acne treatment include tetracycline, doxycycline, minocycline, and erythromycin. Neomycin and vancomycin are not used to treat acne. Gentamicin and Rocephin are not used to treat acne. Bacitracin and polymyxin B are not used to treat acne.

3. A young mother is seen in the clinic with her young children. It is May, and the family is planning to go to the beach for vacation. Which of the following aspects of patient teaching is most important?

  1. A)  “Try to stay indoors as much as possible.”
  2. B)  “Apply SPF 30 sunscreen to the children before sun exposure.”
  3. C)  “Be sure that each child wears a hat at the beach.”
  4. D)  “Apply Neosporin to any skin abrasions your children get.”

Ans: B


Dermatologists recommend sunscreen preparations that block both UVA and UVB and have a sun protective factor of SPF value 30 or higher. It is unnecessary to avoid all outdoor locations. The mother should apply a hat, but this advice is not the most important health promotion intervention; this does not prevent sun damage to most skin surfaces. The mother should be cautious with the application of Neosporin.

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4. A 17-year-old woman is prescribed isotretinoin (Accutane) for severe acne vulgaris. Which of the following is the most important intervention related to the administration of this medication?

  1. A)  Effective contraception must accompany this medication.
  2. B)  Administer the medication on an empty stomach to decrease discomfort.
  3. C)  The tablets should be crushed if they are too large to swallow.
  4. D)  Administer a vitamin A supplement daily to enhance effectiveness.

Ans: A


The administration of retinoids requires adequate contraceptive practices in women. Retinoids should be given with food, not on an empty stomach. The tablets should not be crushed. The patient should not take vitamin A or a multivitamin because of the retinoid toxicity.

5. A college sophomore has sought care because of her worsening acne. Before beginning a medical regime that includes a retinoid, which of the following laboratory tests must be negative?

The female patient should have a negative pregnancy test before beginning retinoid therapy. It is not necessary to have a negative throat culture or skin culture. If the patient has a positive stool for occult blood, the cause should be determined but is not affected by retinoid therapy.

6. A teenage male patient is administered isotretinoin (Accutane) for severe acne. When teaching the teen and his parents about the medication, which of the following assessments should be routinely made?

  1. A)  Assess blood pressure.
  2. B)  Assess blood lipid levels.
  3. C)  Assess for euphoria.
  4. D)  Assess for increased weight.

Ans: B


The administration of isotretinoin is linked with increased blood lipid levels. The parents and teen should be taught that lipid levels should be periodically assessed. The assessment of blood pressure is not imperative. The patient should be assessed for depression, not euphoria. The patient will not need his weight assessed.

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