A patient is diagnosed with periodontal disease, and the provider ...

[fox]

A patient is diagnosed with periodontal disease, and the provider orders oral doxycycline (Periostat). The patient asks the purpose of the drug. What is the nurse's response?
 
  a. It is used because of its anti-inflammatory effects.
  b. It inhibits collagenase to protect connective tissue in the gums.
  c. It reduces bleeding and the pocket depth of oral lesions.
  d. It suppresses bacterial growth in the oral mucosa.

Question 2

A pregnant adolescent patient asks the nurse whether she should continue to take her prescription for tetracycline (Sumycin) to clear up her acne. Which response by the nurse is correct?
 
  a. Tetracycline can be harmful to the baby's teeth and should be avoided.
  b. Tetracycline is safe to take during pregnancy.
  c. Tetracycline may cause allergic reactions in pregnant women.
  d. Tetracycline will prevent asymptomatic urinary tract infections.

[Bsand8]

Answer to Question 1

ANS: B
Two tetracyclines are used for periodontal disease. Doxycycline inhibits collagenase, which destroys connective tissue in the gums. It is not used for anti-inflammatory effects. Minocycline is used to reduce bleeding and pocket depth and to inhibit bacterial growth.

Answer to Question 2

ANS: A
Tetracyclines can cause discoloration of deciduous and permanent teeth. Tooth discoloration can be prevented if the drugs are not taken by pregnant women or by children under 8 years of age. Tetracycline is not appropriate for a pregnant patient. Pregnancy does not precipitate an allergic response to tetracycline. Tetracycline should not be used to prevent urinary tract infections (UTIs), especially in pregnant women.

[fox]

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[Bsand8]

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