Chapter 18 Drug Therapy With Tetracyclines, Sulfonamides

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Chapter 18  Drug Therapy With Tetracyclines, Sulfonamides

 

 

Complete chapter Questions And Answers
 

Sample Questions

 

 

  1. A patient has been prescribed phenazopyridine (Pyridium) for urinary tract symptoms related to the infection. The patient asks why she is taking this medication. What is the most appropriate response by the nurse?
    1. A)  “This medicine is used to treat urinary retention.”
    2. B)  “This medicine will stop the blood in your urine.”
    3. C)  “This medicine will decrease the pain of your infection.”
    4. D)  “This medicine will prevent hesitancy when you’re passing urine.”

    Ans: C
    Feedback:
    Phenazopyridine (Pyridium) is given to relieve pain associated with urinary tract infection. It is not administered for urinary retention, hematuria, or hesitancy.

  2. A patient is given tetracycline (Sumycin) to treat acne-related skin eruptions. How does tetracycline work?
    1. A)  It binds to the 30S ribosome to inhibit protein synthesis.
    2. B)  It reduces central nervous system stimulation.
    3. C)  It is a beta-lactam antibiotic inhibiting cell wall synthesis.
    4. D)  It works on the final stage of cell wall synthesis.

Ans: A Feedback:

Tetracycline binds with the 30S ribosome to inhibit protein synthesis. It has no effect on the central nervous system. The penicillin agents are beta-lactam antibiotics. Ampicillin works in the final stage of cell wall synthesis.

3. A patient is seen in the clinic after a bite from a tick. She has a rash over her arms and legs and arthritic pain in the joints. What is the drug of choice for Lyme’s disease?

  1. A)  Ibuprofen (Motrin)
  2. B)  Tetracycline (Sumycin)
  3. C)  Phenazopyridine (Pyridium)
  4. D)  Nitrofurantoin (Macrodantin)

Ans: B Feedback:

Tetracyclines are useful in treating some animal bites and Lyme’s disease. Ibuprofen is administered for the inflammation associated with the arthritic pain, but not to treat the infection. Phenazopyridine is not administered for Lyme’s disease. Nitrofurantoin is administered for urinary tract infections.

Page 1

  1. A teenager asks the nurse how tetracycline (Sumycin) will improve her acne. Which of the following is the best statement the nurse can provide to the patient regarding the action of tetracycline?
    1. A)  “Tetracycline decreases redness and swelling of the pustules.”
    2. B)  “Tetracycline treats the Chlamydia organism that causes acne.”
    3. C)  “Tetracycline is used in combination with doxycycline to treat acne.”
    4. D)  “Tetracycline interferes with the production of free fatty acids.”

    Ans: D
    Feedback:
    Tetracyclines interfere with the production of free fatty acids and decrease Corynebacterium in sebum. Tetracycline will decrease redness and swelling, but this response is not the direct action of the medication. Tetracycline treats Chlamydia but is not the cause of acne. Tetracycline is not combined with doxycycline.

  2. A patient has sustained a burn from a gas grill. She has been prescribed a sulfonamide to prevent a burn infection. What route is preferred in the prevention of a burn infection?
    1. A)  Intrathecal
    2. B)  Topical
    3. C)  Parenteral
    4. D)  Oral

Ans: B
Feedback:
Topical sulfonamides are used in prevention of burn wound infections. Sulfonamides are not administered intrathecally. Parenteral and oral administrations are not recommended for the prevention of a burn infection.

6. A 70-year-old woman is assessed in the clinic for signs and symptoms of chronic bronchitis related to pneumococci. Which of the following is a sulfonamide that will most likely be prescribed?

  1. A)  Trimethoprim–sulfamethoxazole (Bactrim)
  2. B)  Tetracycline (Sumycin)
  3. C)  Doxycycline (Vibramycin)
  4. D)  Demeclocycline (Declomycin)

Ans: A
Feedback:
Trimethoprim–sulfamethoxazole is used to treat chronic bronchitis due to pneumococci. Tetracycline, doxycycline, and demeclocycline are not sulfonamides.

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