Antitubercular Drugs Practice Test

These questions are part of the practice quiz. Start practicing

• A hospitalized client with active TB is not responding to antitubercular medications. Which condition is most likely to be identified as a possible cause by the provider?
• What is the function of Directly Observed Therapy (DOTS) in TB control?
• What is the primary mechanism of action of isoniazid against Mycobacterium tuberculosis?
• What is the mechanism of action of ethambutol?
• Ethambutol can cause optic neuritis. Which symptom requires prompt evaluation?
• Linezolid should be used with caution with which drug class due to risk of serotonin syndrome?
• Which TB drug is most associated with hepatotoxicity among the first-line agents?
• For a 100 kg patient, what is the daily dose of ethambutol at 25 mg/kg/day?
• Which of the following adverse effects should be reported promptly by a patient on isoniazid?
• Which symptom should prompt reconsideration of ethambutol therapy?
• Which of the following is a major adverse effect of pyrazinamide aside from hepatotoxicity?
• Which of the following is NOT a second-line injectable agent used for MDR-TB?
• Which safety concern requires monitoring when using bedaquiline or delamanid?
• The continuation phase of standard TB therapy includes which combination?
• What is the rationale for using corticosteroids in TB pericarditis?
• What is a key cardiac safety concern with bedaquiline and delamanid?
• Baseline liver enzyme testing is required before starting isoniazid and how often thereafter?
• What is the duration of the initial RIPE phase?
• Hansen's disease is caused by which organism?
• What are common adverse effects of ethionamide that may limit its use?
• Which statement best describes the contagion risk of smear-negative TB?
• What is the role of bedaquiline in MDR-TB therapy?
• In HIV-infected individuals, latent TB treatment commonly uses INH for 9 months or 3HP (weekly INH + rifapentine for 12 weeks) depending on ART interactions and guidelines.
• Which drug is commonly added to MDR-TB regimens and has a distinctive skin discoloration side effect?
• What is the standard initial intensive phase of therapy for drug-susceptible tuberculosis?
• How many phases does standard tuberculosis treatment usually have?
• What is the purpose of drug susceptibility testing (DST) in TB management?
• Which drug is commonly used for TB exposure to prevent disease in someone who has been exposed but is not yet symptomatic?
• Why is nutrition important during TB treatment?
• A client taking isoniazid reports acid reflux. What pharmacokinetic issue should you teach about?
• Which statement about bedaquiline is true?
• To ensure rifampin is not contraindicated, the nurse should confirm the patient does not have which condition?
• Which supplement is unnecessary during isoniazid therapy?
• Delamanid requires monitoring of which parameter?
• Which drug is primarily used as monotherapy for latent TB infection but is not recommended as monotherapy for active TB?
• Rifampin induces hepatic enzymes, leading to interactions with which medications?
• Pyrazinamide is associated with which major adverse effects?
• Rifampin is associated with orange-red discoloration of which bodily fluids?
• In MDR-TB regimens, what is a key component of all-oral therapy?
• Which statement about antitubercular therapy is accurate?
• What is the recommended duration of isoniazid prophylaxis after TB exposure?
• Which option best explains persistent positive cultures after four weeks of TB therapy?
• Which drug is used in the initial 2-month TB treatment phase along with rifampin and pyrazinamide?
• If someone cannot take rifapentine, which LTBI treatment option is commonly used?
• What is the primary purpose of directly observed therapy (DOT) in TB management?
• A prescription for ciprofloxacin 250 mg SC bid for rhinosinusitis prompts the nurse to question which component of the order?
• Isoniazid commonly causes peripheral neuropathy due to a deficiency of which vitamin, and what preventive measure is recommended?
• In drug-susceptible pulmonary TB therapy, what is the typical duration of the initial intensive phase?
• Which of the following is NOT a second-line injectable agent used for MDR-TB?
• Rifampin interacts with HIV therapy by inducing hepatic enzymes, leading to reduced antiretroviral drug levels. Which management option helps mitigate this interaction?
• What testing is important to detect ethambutol-related optic neuritis early?
• Which lifestyle modification should be emphasized for patients taking isoniazid?
• Why is contact tracing important in TB control?
• What does culture conversion indicate in TB therapy?
• In latent TB infection, which short-course regimen is effective for low-risk individuals?
• How is rifampin typically administered at the start of first-line TB therapy?
• How is multidrug-resistant TB defined?
• What is the second phase of TB treatment called?
• Which rapid molecular test can detect rifampin resistance quickly in suspected MDR-TB?
• During the continuation phase, which drugs are administered?
• What is the mechanism of action of isoniazid in the treatment of tuberculosis?
• In TB drug therapy, hepatotoxicity is commonly caused by which drugs, and how is it managed?
• In the most commonly used regimen, the continuation phase lasts how long?
• What is the mechanism of action of bedaquiline?
• Why is DST before initiating MDR-TB regimen crucial?
• Which RIPE drug is most associated with optic neuritis and has relatively low hepatotoxic risk?
• Starting multi-drug therapy for TB is primarily to prevent what?
• The standard treatment for tuberculosis typically requires multiple drugs over several months.
• In the 3HP latent TB regimen, which drug is used weekly with isoniazid?
• What is the recommended approach to reintroducing TB drugs after suspected toxicity?
• Which TB drug can worsen gout due to hyperuricemia?
• Which set lists the four drugs used in the first-line RIPE regimen for drug-susceptible pulmonary TB?
• What tests determine susceptibility and guide regimen for suspected MDR-TB?
• Which statement about culture conversion is accurate?
• Ethambutol can cause optic neuritis; which symptom would indicate this side effect?
• Why is the duration longer for MDR-TB regimens compared to drug-susceptible TB?
• What does culture conversion indicate in monitoring TB therapy?
• A client taking isoniazid should avoid which foods?
• What is the most important dietary instruction for a patient on isoniazid?
• Which RIPE drug is usually avoided in pregnancy due to fetal risk?
• For a family member of someone with active TB, how long is isoniazid typically taken to help prevent TB?
• Which four drugs constitute the RIPE regimen?
• What are the primary goals of TB therapy?
• Which first-line TB drug is associated with optic neuritis and color vision changes?
• Which statement best describes the purpose of rifampin resistance detection by rapid molecular testing?
• If optic neuritis occurs during ethambutol therapy, what is the recommended management?
• What is the role of clofazimine in TB treatment and a notable side effect?
• Which statement about liver function monitoring during TB therapy is correct?
• For MDR TB, which drug class is commonly included in the treatment plan?
• Pyrazinamide has a high risk of which metabolic complication, especially in gout-prone patients?
• Rifampin therapy is known to cause discoloration of bodily fluids; which statement is correct?
• Which adverse effect would most likely necessitate discontinuing isoniazid therapy?
• Which statement about delamanid is true?
• During the TB continuation phase, the dosing frequency is described as which?
• Which method is most effective to ensure compliance with TB medications?
• What is the highest priority when educating a client about antitubercular medications?
• What is the recommended action if ethambutol-induced optic neuritis occurs during TB therapy?
• Which statement about regimens for TB treatment is true?
• Which adverse reaction should be monitored in a patient taking ethambutol?
• Which rapid diagnostic test detects rifampin resistance and is widely used in TB clinics?
• How are antitubercular drugs classified?
• Which laboratory tests are used to monitor hepatotoxicity risk when taking isoniazid?
• When a secondary drug is used to treat TB, it is typically addressing which form of TB?
• Which statement correctly describes the typical duration of multidrug therapy for tuberculosis?
• What is the 3HP regimen for latent TB infection?
• Which symptom cluster best describes active TB disease?
• What is the duration of the continuation phase after the initial 2-month intensive phase in drug-susceptible pulmonary TB?
• What is the standard pediatric regimen in the initial phase?
• Which statement correctly differentiates latent TB infection from active TB disease in terms of symptoms and contagion?
• What monitoring is recommended for detecting hepatotoxicity during rifampin-containing TB therapy?
• Which two MDR-TB drugs require monitoring of the QT interval during therapy?
• Which anti-TB drug is commonly associated with peripheral neuropathy, mitigated by pyridoxine?
• Why should alcohol be avoided with isoniazid therapy?
• Which of the following is a major adverse effect of pyrazinamide?
• How should rifampin be discussed with patients regarding drug interactions?
• Which statement most accurately reflects the rationale for using multiple drugs in TB therapy?
• Isoniazid is activated by which bacterial enzyme?
• Which drug class does linezolid belong to, and what are its major adverse effects in TB treatment?
• Which tests are commonly used to diagnose latent TB infection?
• Which nursing intervention is most important for a hospitalized patient on antitubercular therapy who has a history of nonadherence?
• Pyrazinamide is associated with which adverse effect?
• Which safety monitoring is essential when regimens include bedaquiline and linezolid?
• During isoniazid therapy, the nurse should plan to provide the patient with which supplement?
• Which first-line TB drug requires routine visual testing due to optic toxicity?
• Prophylactic antitubercular therapy is recommended for which group?
• Which antitubercular medication must be taken on an empty stomach according to standard practice?
• Which of the following is true regarding bedaquiline monitoring?
• What is the interaction between rifampin and oral contraceptives?
• Rifampin therapy commonly causes discoloration of which substances?
• A client is prescribed rifampin. Which statement about body fluids is accurate?
• Which drug is not responsible for red/orange discoloration of body fluids in TB therapy?
• What term describes TB resistance to at least isoniazid and rifampin?
• Which test rapidly detects rifampin resistance as a proxy for MDR-TB?
• What is the most significant drug interaction concern with rifampin?
• Which statement about rifampin-related body fluid discoloration is accurate?
• For a patient weighing 60 kg, ethambutol dosed at 15 mg/kg/day would be what daily dose?
• Which second-line TB agent is associated with CNS side effects including seizures and psychosis and may require baseline and ongoing monitoring?
• For isoniazid, what is the most common toxicity symptom to monitor?
• In TB meningitis, what adjunct therapy is typically included?
• Which tests are commonly used to diagnose latent TB infection?
• Prophylaxis for close contacts of TB patients is intended to do what?
• A client has just been diagnosed with TB and is upset; what is an appropriate nurse response?
• Which molecular method is commonly used to assess drug susceptibility for second-line TB drugs?
• What is the role of linezolid in TB therapy and its major adverse effects?
• Rifampin exerts its effect by which mechanism, and what is a major consequence for drug interactions?
• Isoniazid (INH) can affect which vitamin in the client receiving antitubercular therapy?
• Why is a baseline vision test required before initiating ethambutol therapy?
• What is the mechanism of action of delamanid?
• What is the recommended approach to reintroducing TB drugs after hepatotoxicity improves?
• Toxicity monitoring for streptomycin therapy relies on which laboratory values?
• Pretomanid is used in which context?
• Which of the following is NOT a second-line injectable agent used for MDR-TB?
• A 35-year-old man on isoniazid for TB exposure has weekend drinking and heavy smoking. Which adverse reaction should you alert him to report immediately?
• Nurse education point for someone starting isoniazid therapy?
• Which anti-TB drug is an aminoglycoside with a risk of ototoxicity and nephrotoxicity?
• Which imaging modalities are commonly used to assess TB disease extent and involvement?
• The duration of rifampin therapy for tuberculosis can extend to which time frame?
• What is the role of imaging in TB diagnosis and management?
• TB can affect other organs outside the lungs. What is the term for TB outside the lungs?
• If a patient on isoniazid therapy has acid reflux, what pharmacokinetic issue is likely relevant?
• Which TB drug has monoamine oxidase-inhibitor-like properties and can interact with SSRIs?
• Which statement best describes the role of completing the TB regimen?
• Why are multiple antitubercular medications prescribed for TB treatment?
• When a patient begins rifampin therapy, which teaching point is correct regarding eye protection?
• Which statement correctly describes the initial three-drug regimen used for active TB in the material?
• Name two newer TB drugs used for MDR/XDR-TB with distinct mechanisms.
• The disease Hansen's disease is caused by which organism?
• XDR-TB is defined as MDR plus resistance to which classes?
• In pediatric TB, the initial four-drug phase is designed with dosing based on body weight. Which statement is true?
• Which circumstance would preclude treatment with isoniazid (INH)?
• How can treatment completion be defined in TB programs?
• What is the major hepatotoxicity risk with isoniazid and how is monitoring performed?
• Which TB drug is commonly associated with bone marrow suppression and neuropathy as side effects?
• What monitoring is essential when using bedaquiline-containing regimens?
• Which test result is most useful for tailoring antitubercular therapy by identifying the pathogen's drug susceptibility?
• Which drug is associated with red discoloration of body fluids?
• Which short-course latent TB regimen includes weekly dosing?
• How does contagion differ between smear-positive and smear-negative TB?
• Which TB drugs carry a notable risk of hepatotoxicity, particularly with alcohol use?
• Which statement defines MDR-TB?
• What is the purpose of directly observed therapy (DOT) in TB control?
• Which medication is commonly used to treat Mycobacterium avium complex infection in HIV patients?
• Prior to starting antitubercular medications, which study is routinely completed to assess the disease and plan therapy?
• Which two newer anti-TB drugs are used for MDR-TB, and what safety monitoring is required?
• Which monitoring is essential for ethambutol therapy?
• A patient with multidrug-resistant TB would likely be treated with which drug class?
• When might rifabutin be used instead of rifampin in HIV-infected patients?
• Which TB medication is most likely to cause discoloration of body fluids (such as urine)?
• Which drug should be avoided in pregnancy due to risk to the fetus?
• Which drug is associated with optic neuritis as a potential adverse effect?
• What adverse effect is most commonly associated with ethambutol requiring routine visual testing?
• How does drug resistance develop and how is it prevented?
• Which drugs are used in the 3HP latent TB regimen?
• What monitoring is used to assess progress during drug-resistant TB therapy?
• What is the usual duration for standard TB drug therapy?
• What monitoring is recommended for patients on ethambutol therapy?
• What is the most common genetic mechanism of resistance to rifampin in Mycobacterium tuberculosis?
• Which statement best explains how the standard TB treatment is divided into two phases?
• What is the mechanism of action of isoniazid?
• What is the typical duration of therapy for drug-susceptible TB in adults?
• What is the mechanism of action of bedaquiline?
• Which corticosteroid is commonly used as adjunctive therapy for TB meningitis?
• Which teaching point is most important for a patient starting rifampin?
• Which drug is commonly used for TB prophylaxis after exposure?
• Which adverse effects are major for linezolid in TB therapy?
• How should suspected hepatotoxicity during TB therapy be managed?
• If a patient is started on isoniazid and rifampin for active TB, how long is it typically before initial symptom improvement is expected?
• Which medication is not part of the initial three-drug regimen described for active TB?
• Pretomanid is used in combination regimens for which TB category and what is its mechanism?
• What is the recommended TB regimen for pregnant patients?
• If rifampin resistance is detected by rapid molecular testing, which condition is MDR-TB most likely?
• What is a typical sign of rifampin-induced hepatotoxicity?
• Into which drug class do rifampin and rifapentine belong, and what is their general mechanism?
• Which statement about latent TB tests (TST or IGRA) is true?
• The most severe adverse reaction to pyrazinamide is which of the following?
• Why is pyridoxine recommended with isoniazid?
• Name two aminoglycoside antibiotics used in TB and their main toxicities.
• A patient taking isoniazid is concerned about adverse effects. Which of the following would be a common adverse reaction?
• Which first-line TB drug is associated with orange-red discoloration of bodily fluids but is otherwise harmless?
• How does rifampin affect hormone-based therapies such as oral contraceptives?
• A 61-year-old patient weighing 90 kg is prescribed ethambutol 2200 mg daily. Given the dosing range of 15-25 mg/kg/day, this dose is:
• Which drug is a key component of the rifapentine-based LTBI regimen 3HP?
• When reviewing a ciprofloxacin order written as SC bid for a non-skin condition, which element should be questioned?
• What factor influences the choice between nine months of INH and the 3HP regimen in latent TB for HIV patients?
• Which drug is activated by the KatG enzyme to exert its effect?
• Which drug is used for TB exposure prophylaxis?
• A patient taking INH, rifampin, and pyrazinamide reports red urine. Which drug is most likely responsible?
• Alcohol use affects TB treatment toxicity by increasing risk of hepatotoxicity, especially with which drugs?
• What is the standard initial regimen for drug-susceptible TB?
• Which statement about Pretomanid is true?
• TB is transmitted from person to person primarily by which route?
• Which client would likely require the most follow-up from rifampin therapy in a community TB program?
• Why are second-line drugs used in MDR-TB regimens?
• Line probe assays are a rapid molecular DST used to detect resistance to which drug?
• A client on an antimycobacterial therapy reports dizziness, headache, and drowsiness. Which nursing diagnosis best relates to these effects?
• Which test rapidly detects TB and rifampin resistance from a sputum sample?