You are treating AM, a 28 y/o female with no allergies, who has a repeat diagnosis of UTI within the last 4 months. She has systemic symptoms. You have concerns for antimicrobial resistance patterns for treating UTIs in your community. Which of the following is an appropriate therapy option for AM?
Ciprofloxacin (Cipro) x 7 days
Sulfamethoxazole/Trimethoprim (Bactrim) x 3 days
Clarithromycin (Biaxin) x 3 days
Fosfomycin (Monurol) x 1 dose
The Correct Answer is A
Recurrent urinary tract infections (UTIs) with systemic symptoms suggest a more complicated infection, possibly involving upper urinary tract involvement such as pyelonephritis or resistant organisms. Treatment selection must consider local antimicrobial resistance patterns, severity of symptoms, and prior antibiotic exposure. Broader-spectrum antibiotics are often required when resistance is a concern or when infection is not limited to the lower urinary tract. Therapy duration is also extended in more complex presentations.
Rationale:
A. Ciprofloxacin (Cipro) is an appropriate option in this scenario because it provides broad-spectrum coverage against common urinary pathogens and achieves good tissue penetration, including renal tissue. In a patient with recurrent UTI and systemic symptoms, there is concern for resistant organisms or upper tract involvement, making fluoroquinolones a reasonable choice when resistance patterns support their use. A 7-day course is consistent with treatment for complicated infection.
B. Trimethoprim-sulfamethoxazole (Bactrim) is typically used for uncomplicated cystitis with a short 3-day course when local resistance rates are low. However, in recurrent infections with systemic symptoms and concern for resistance, it may be ineffective due to increasing E. coli resistance. It is not the best empiric choice in this higher-risk presentation.
C. Clarithromycin (Biaxin) is not appropriate for urinary tract infections because it has poor activity against common uropathogens such as E. coli. Macrolides are primarily used for respiratory and certain atypical infections, not urinary tract infections. Therefore, it would not provide adequate empiric coverage in this case.
D. Fosfomycin (Monurol) is used as a single-dose therapy for uncomplicated lower urinary tract infections. It is not appropriate for recurrent UTIs with systemic symptoms or suspected upper urinary tract involvement. Its limited systemic penetration makes it unsuitable for more complicated or resistant infections.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Selective serotonin reuptake inhibitors (SSRIs) are commonly used as first-line treatment for major depressive disorder because they improve mood by increasing serotonin availability in the brain. Patient education is important to improve adherence, especially during the first few weeks when side effects may occur before full therapeutic benefit is noticed. Many patients discontinue therapy early if they are not prepared for these temporary effects. Proper counseling helps improve treatment success and reduces unnecessary medication discontinuation.
Rationale:
A. Rising slowly from a lying or sitting position is more commonly emphasized with tricyclic antidepressants or antihypertensive medications that frequently cause orthostatic hypotension. Although SSRIs may occasionally cause dizziness, orthostatic hypotension is not a major expected adverse effect of Citalopram. This is not the primary counseling point that should be emphasized for routine SSRI initiation.
B. Citalopram should not be titrated rapidly every 2 days because antidepressants require gradual dose adjustments and time to assess response and tolerance. Rapid titration increases the risk of adverse effects such as serotonin syndrome, QT prolongation, and patient intolerance. Clinical improvement also takes several weeks, so aggressive dose escalation is inappropriate.
C. Minor side effects such as nausea, mild somnolence, headache, and insomnia are common during the early phase of SSRI treatment and are usually temporary. These symptoms often improve within 1 to 2 weeks as the body adjusts to the medication. Educating the patient about this helps reduce anxiety, improves adherence, and prevents premature discontinuation before therapeutic benefits are achieved.
D. Abrupt discontinuation of SSRIs can lead to discontinuation syndrome, which may include dizziness, irritability, flu-like symptoms, and sensory disturbances. Although some SSRIs with longer half-lives have lower risk, citalopram still requires gradual tapering rather than sudden cessation. Patients should always be instructed not to stop the medication suddenly without provider guidance.
Correct Answer is B
Explanation
Carbamazepine (Tegretol) is an anticonvulsant used for seizure disorders, trigeminal neuralgia, and mood stabilization. It has a narrow therapeutic index and is associated with potentially serious hematologic adverse effects due to bone marrow suppression. Because of these risks, ongoing laboratory monitoring is required to ensure patient safety during long-term therapy. Nursing and provider follow-up focus heavily on blood dyscrasias and drug toxicity surveillance.
Rationale:
A. Annual eye examinations for cataracts are not a standard monitoring requirement for Carbamazepine (Tegretol). While some anticonvulsants may have rare ocular side effects, cataract formation is not a recognized routine long-term complication of carbamazepine. Therefore, routine ophthalmologic screening is not part of standard monitoring guidelines.
B. Complete blood count every three to four months is essential because Carbamazepine (Tegretol) can cause serious hematologic effects such as leukopenia, agranulocytosis, and aplastic anemia. Regular CBC monitoring helps detect early signs of bone marrow suppression, allowing timely intervention before severe complications develop. This is a key safety measure in long-term therapy.
C. Routine troponin testing is not indicated for patients taking Carbamazepine (Tegretol) because it is not associated with direct myocardial injury. Troponin is used to assess acute cardiac ischemia, which is unrelated to carbamazepine’s pharmacologic profile. Cardiac monitoring is not part of standard long-term surveillance for this medication.
D. Monthly pregnancy testing is not routinely required for all women of childbearing age on Carbamazepine (Tegretol). Although carbamazepine is teratogenic and requires counseling on contraception and pregnancy risks, standardized frequent pregnancy testing is not universally mandated. Monitoring focuses more on ensuring effective contraception and preconception counseling rather than monthly testing.
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