Drug therapy of tuberculosis differs from that of most other infections because:
Patients usually require therapy for a shorter period
Patients with tuberculosis have no symptoms
Mycobacteria have a cell wall that is resistant to penetration by anti-infective drugs
Anti-tuberculosis drugs are used extensively for treating active disease, not preventing it
The Correct Answer is C
A. Patients usually require therapy for a shorter period: This is incorrect. TB therapy typically lasts for several months, longer than most other bacterial infections.
B. Patients with tuberculosis have no symptoms: This is incorrect. Many patients with active TB do exhibit symptoms such as cough, fever, night sweats, and weight loss.
C. Mycobacteria have a cell wall that is resistant to penetration by anti-infective drugs: This is correct. The mycobacterial cell wall is complex and impermeable, requiring specialized drugs and prolonged treatment.
D. Anti-tuberculosis drugs are used extensively for treating active disease, not preventing it: This is partially true, but TB drugs are also used for latent TB infection to prevent it from becoming active. Thus, it is not a primary reason differentiating TB therapy from other infections.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. Complaints that he is unable to hear the television: Correct. Gentamycin is an aminoglycoside antibiotic that can cause ototoxicity, leading to hearing loss or tinnitus.
B. Tingling of the extremities: This may indicate neuropathy but is not specific to ototoxicity.
C. an increase in the BUN and creatinine: This indicates nephrotoxicity, not ototoxicity.
D. changes in mental status: This could indicate various conditions, including neurotoxicity or other systemic effects, but not specifically ototoxicity.
Correct Answer is A
Explanation
A. Liver enzymes/ LFTs: Correct. Isoniazid (INH) is hepatotoxic and can cause liver damage. Monitoring liver function tests (LFTs) helps detect hepatotoxicity early.
B. PT and PTT: These tests measure blood clotting and are not directly affected by INH.
C. BUN: Blood Urea Nitrogen (BUN) measures kidney function, and while it is important, INH primarily affects the liver.
D. CBC: Complete Blood Count (CBC) is useful for overall health but not specifically for monitoring INH therapy.
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