Ch. 18 (DT w/ Tetracyclines, Sulfonamides, & Urinary Antiseptics)
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?
"Tetracycline interferes with the production of free fatty acids."
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?
"This medicine will decrease the pain of your infection."
A patient is administered a sulfonamide for a urinary tract infection. Which of the following nursing interventions is most appropriate to increase the alkalinity of the patient's urine?
Administer sodium bicarbonate.
A patient is being treated for a urinary tract infection with trimethoprim-sulfamethoxazole (Bactrim). What assessment should the nurse make prior to the administration of the medication?
Assessing for renal insufficiency
A patient has been prescribed doxycycline (Vibramycin). Which of the following teaching instructions is a priority with this medication?
Avoid sun exposure.
A 9-year-old boy has been admitted to the pediatric unit after being diagnosed with pertussis. The pediatric nurse is processing the boy's admission orders and notes that IV demeclocycline (Declomycin) has been ordered. After beginning this treatment, the nurse should confirm the results of what laboratory test?
Blood urea nitrogen (BUN)
A public health nurse interacts with many members of the community who are at risk for sexually transmitted infections (STIs). The nurse should anticipate the use of tetracycline in a patient who is diagnosed with what STI?
Chlamydia
A patient is given tetracycline (Sumycin) to treat acne-related skin eruptions. How does tetracycline work?
It binds to the 30S ribosome to inhibit protein synthesis.
What is the rationale for not administering tetracycline (Sumycin) to children under the age of 8 years?
It will interfere with enamel development.
A patient is started on sulfamethoxazole-trimethoprim (Bactrim) for a urinary infection. What would contraindicate the use of Bactrim with this patient?
Liver failure
A young adult patient's acne has responded well to treatment with tetracycline. However, the patient has now returned to the clinical with signs and symptoms of oral candidiasis. The nurse should recognize that this patient's current health problem is likely attributable to which of the following?
Superinfection following the eradication of normal oral flora
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?
Tetracycline (Sumycin)
A 64-year-old female patient sought care for the treatment of a urinary tract infection, and her primary care provider prescribed nitrofurantoin. What change in the patient's health status would prompt the use of an alternative medication?
The patient's UTI progresses to urosepsis.
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?
Topical
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?
Trimethoprim-sulfamethoxazole (Bactrim)
A nurse is preparing to administer a patient's first scheduled dose of tetracycline. The nurse should first ensure that the patient has not recently eaten
dairy products.
