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IMF-037-01-0001-en	Which four conditions must all hold for antimicrobial therapy to succeed?	An active drug must reach the site at sufficient exposure, the pathogen must be vulnerable, source control must occur, and host defence must complete clearance.	Integrated Medical Foundations; chapter 37, TTS module 1; https://theisegoria.github.io/medical-textbook/integrated-medical-foundations-expanded-english.md; module SHA256 at export: 6cfa4e98fe87a63183a6a19c5105f88c7043a39e3cfa6e123c288ed6e4ab10c3; editorial review pending	imf lang::en chapter::037 module::037-01 review::pending
IMF-037-01-0002-en	Why does selective toxicity of antimicrobials remain only relative?	Mitochondria resemble bacterial ancestors, fungi are eukaryotic, and parasites share many human pathways, so substantial toxicity to human cells remains.	Integrated Medical Foundations; chapter 37, TTS module 1; https://theisegoria.github.io/medical-textbook/integrated-medical-foundations-expanded-english.md; module SHA256 at export: 6cfa4e98fe87a63183a6a19c5105f88c7043a39e3cfa6e123c288ed6e4ab10c3; editorial review pending	imf lang::en chapter::037 module::037-01 review::pending
IMF-037-01-0003-en	How do pharmacokinetics and pharmacodynamics differ, and which exposure indices link them to antibacterial killing?	Pharmacokinetics sets concentration over time, while pharmacodynamics relates exposure to killing, via time of free drug above the minimum inhibitory concentration, peak relative to it, or total area under the curve.	Integrated Medical Foundations; chapter 37, TTS module 1; https://theisegoria.github.io/medical-textbook/integrated-medical-foundations-expanded-english.md; module SHA256 at export: 6cfa4e98fe87a63183a6a19c5105f88c7043a39e3cfa6e123c288ed6e4ab10c3; editorial review pending	imf lang::en chapter::037 module::037-01 review::pending
IMF-037-01-0004-en	Why does the bactericidal versus bacteriostatic distinction not rank clinical effectiveness?	The distinction varies with organism, exposure, and method, and bacteriostatic drugs work by inhibiting growth while immune clearance completes the job.	Integrated Medical Foundations; chapter 37, TTS module 1; https://theisegoria.github.io/medical-textbook/integrated-medical-foundations-expanded-english.md; module SHA256 at export: 6cfa4e98fe87a63183a6a19c5105f88c7043a39e3cfa6e123c288ed6e4ab10c3; editorial review pending	imf lang::en chapter::037 module::037-01 review::pending
IMF-037-01-0005-en	How do beta-lactams kill bacteria, and what kind of pharmacodynamic activity do they generally show?	They bind penicillin-binding proteins and disrupt peptidoglycan cross-linking, and their activity is generally time-dependent.	Integrated Medical Foundations; chapter 37, TTS module 1; https://theisegoria.github.io/medical-textbook/integrated-medical-foundations-expanded-english.md; module SHA256 at export: 6cfa4e98fe87a63183a6a19c5105f88c7043a39e3cfa6e123c288ed6e4ab10c3; editorial review pending	imf lang::en chapter::037 module::037-01 review::pending
IMF-037-01-0006-en	Why is careful evaluation of a beta-lactam allergy label clinically valuable?	Labels are often inaccurate, and history and testing that separate immediate anaphylaxis from delayed benign rash or severe immune reactions can restore safer narrow options.	Integrated Medical Foundations; chapter 37, TTS module 1; https://theisegoria.github.io/medical-textbook/integrated-medical-foundations-expanded-english.md; module SHA256 at export: 6cfa4e98fe87a63183a6a19c5105f88c7043a39e3cfa6e123c288ed6e4ab10c3; editorial review pending	imf lang::en chapter::037 module::037-01 review::pending
IMF-037-01-0007-en	Why does adding a beta-lactamase inhibitor not guarantee activity against a resistant organism?	Inhibitors protect selected partners but do not inhibit every enzyme, and extended-spectrum enzymes, AmpC, and carbapenemases have different implications, so susceptibility results and site guide therapy.	Integrated Medical Foundations; chapter 37, TTS module 1; https://theisegoria.github.io/medical-textbook/integrated-medical-foundations-expanded-english.md; module SHA256 at export: 6cfa4e98fe87a63183a6a19c5105f88c7043a39e3cfa6e123c288ed6e4ab10c3; editorial review pending	imf lang::en chapter::037 module::037-01 review::pending
IMF-037-01-0008-en	Why is vancomycin exposure monitored in serious infection, and why can oral vancomycin not treat systemic infection?	Monitoring balances efficacy against kidney toxicity, and oral vancomycin acts within the gut rather than reaching systemic infection.	Integrated Medical Foundations; chapter 37, TTS module 1; https://theisegoria.github.io/medical-textbook/integrated-medical-foundations-expanded-english.md; module SHA256 at export: 6cfa4e98fe87a63183a6a19c5105f88c7043a39e3cfa6e123c288ed6e4ab10c3; editorial review pending	imf lang::en chapter::037 module::037-01 review::pending
IMF-037-01-0009-en	Why are aminoglycosides active against aerobic Gram-negative organisms but not anaerobes?	They must be taken up by an oxygen-dependent mechanism before binding the thirty-S subunit to cause mistranslation, and anaerobes cannot provide that uptake.	Integrated Medical Foundations; chapter 37, TTS module 1; https://theisegoria.github.io/medical-textbook/integrated-medical-foundations-expanded-english.md; module SHA256 at export: 6cfa4e98fe87a63183a6a19c5105f88c7043a39e3cfa6e123c288ed6e4ab10c3; editorial review pending	imf lang::en chapter::037 module::037-01 review::pending
IMF-037-01-0010-en	Which toxicities limit aminoglycosides, and what must dosing therefore account for?	Kidney and vestibular or auditory toxicity limit use, so dosing and monitoring account for weight, clearance, and cumulative exposure.	Integrated Medical Foundations; chapter 37, TTS module 1; https://theisegoria.github.io/medical-textbook/integrated-medical-foundations-expanded-english.md; module SHA256 at export: 6cfa4e98fe87a63183a6a19c5105f88c7043a39e3cfa6e123c288ed6e4ab10c3; editorial review pending	imf lang::en chapter::037 module::037-01 review::pending
IMF-037-01-0011-en	What advantage and what major hazard does clindamycin's fifty-S inhibition bring?	It suppresses selected toxin production, but it strongly predisposes to Clostridioides difficile disease.	Integrated Medical Foundations; chapter 37, TTS module 1; https://theisegoria.github.io/medical-textbook/integrated-medical-foundations-expanded-english.md; module SHA256 at export: 6cfa4e98fe87a63183a6a19c5105f88c7043a39e3cfa6e123c288ed6e4ab10c3; editorial review pending	imf lang::en chapter::037 module::037-01 review::pending
IMF-037-01-0012-en	What risks accompany prolonged linezolid use?	Prolonged use risks cytopenias, neuropathy, lactic acidosis, and serotonergic interaction, which limits it despite activity against resistant Gram-positive infection.	Integrated Medical Foundations; chapter 37, TTS module 1; https://theisegoria.github.io/medical-textbook/integrated-medical-foundations-expanded-english.md; module SHA256 at export: 6cfa4e98fe87a63183a6a19c5105f88c7043a39e3cfa6e123c288ed6e4ab10c3; editorial review pending	imf lang::en chapter::037 module::037-01 review::pending
IMF-037-01-0013-en	Why should convenience not drive fluoroquinolone use?	Resistance develops readily through target mutation, efflux, and protective genes, and the drugs can cause tendon injury, neuropathy, dysglycaemia, QT prolongation, and C. difficile infection.	Integrated Medical Foundations; chapter 37, TTS module 1; https://theisegoria.github.io/medical-textbook/integrated-medical-foundations-expanded-english.md; module SHA256 at export: 6cfa4e98fe87a63183a6a19c5105f88c7043a39e3cfa6e123c288ed6e4ab10c3; editorial review pending	imf lang::en chapter::037 module::037-01 review::pending
IMF-037-01-0014-en	Why is rifamycin never used alone for active tuberculosis, and why does it cause so many interactions?	Resistance emerges quickly during monotherapy, and potent enzyme induction changes exposure to hormones, anticoagulants, antivirals, and immunosuppressants.	Integrated Medical Foundations; chapter 37, TTS module 1; https://theisegoria.github.io/medical-textbook/integrated-medical-foundations-expanded-english.md; module SHA256 at export: 6cfa4e98fe87a63183a6a19c5105f88c7043a39e3cfa6e123c288ed6e4ab10c3; editorial review pending	imf lang::en chapter::037 module::037-01 review::pending
IMF-037-01-0015-en	How do sulfonamides and trimethoprim act together, and which haematological risk depends on the host's enzyme status?	They block sequential steps of folate metabolism, and they can cause haemolysis in glucose-six-phosphate dehydrogenase deficiency.	Integrated Medical Foundations; chapter 37, TTS module 1; https://theisegoria.github.io/medical-textbook/integrated-medical-foundations-expanded-english.md; module SHA256 at export: 6cfa4e98fe87a63183a6a19c5105f88c7043a39e3cfa6e123c288ed6e4ab10c3; editorial review pending	imf lang::en chapter::037 module::037-01 review::pending
IMF-037-01-0016-en	Why can daptomycin not treat pneumonia despite activity against Gram-positive membranes?	Pulmonary surfactant inactivates it, so it cannot act in the lung.	Integrated Medical Foundations; chapter 37, TTS module 1; https://theisegoria.github.io/medical-textbook/integrated-medical-foundations-expanded-english.md; module SHA256 at export: 6cfa4e98fe87a63183a6a19c5105f88c7043a39e3cfa6e123c288ed6e4ab10c3; editorial review pending	imf lang::en chapter::037 module::037-01 review::pending
IMF-037-01-0017-en	Why is tuberculosis treated with multiple drugs?	The bacterial population is large and heterogeneous, so several drugs are needed to prevent selection of resistant organisms.	Integrated Medical Foundations; chapter 37, TTS module 1; https://theisegoria.github.io/medical-textbook/integrated-medical-foundations-expanded-english.md; module SHA256 at export: 6cfa4e98fe87a63183a6a19c5105f88c7043a39e3cfa6e123c288ed6e4ab10c3; editorial review pending	imf lang::en chapter::037 module::037-01 review::pending
IMF-037-01-0018-en	How can biofilm and persister states cause treatment failure without genetic resistance?	They create tolerance through a changed growth state, so microbes survive exposure without carrying standard genetic resistance.	Integrated Medical Foundations; chapter 37, TTS module 1; https://theisegoria.github.io/medical-textbook/integrated-medical-foundations-expanded-english.md; module SHA256 at export: 6cfa4e98fe87a63183a6a19c5105f88c7043a39e3cfa6e123c288ed6e4ab10c3; editorial review pending	imf lang::en chapter::037 module::037-01 review::pending
IMF-037-01-0019-en	Why does antiviral timing matter, and why may treatment need to be prolonged or episodic?	Replication often peaks early, and drugs may suppress replication without eradicating latent genomes.	Integrated Medical Foundations; chapter 37, TTS module 1; https://theisegoria.github.io/medical-textbook/integrated-medical-foundations-expanded-english.md; module SHA256 at export: 6cfa4e98fe87a63183a6a19c5105f88c7043a39e3cfa6e123c288ed6e4ab10c3; editorial review pending	imf lang::en chapter::037 module::037-01 review::pending
IMF-037-01-0020-en	Why does human immunodeficiency virus therapy combine drugs from different classes?	Combination suppresses replication, restores immunity, and prevents resistance, and sustained suppression eliminates sexual transmission.	Integrated Medical Foundations; chapter 37, TTS module 1; https://theisegoria.github.io/medical-textbook/integrated-medical-foundations-expanded-english.md; module SHA256 at export: 6cfa4e98fe87a63183a6a19c5105f88c7043a39e3cfa6e123c288ed6e4ab10c3; editorial review pending	imf lang::en chapter::037 module::037-01 review::pending
IMF-037-01-0021-en	What distinguishes the usual outcome of hepatitis B therapy from direct-acting hepatitis C therapy?	Hepatitis B therapy suppresses polymerase and slows progression but may not eliminate covalently closed nuclear DNA, whereas hepatitis C combinations can cure most treated infection.	Integrated Medical Foundations; chapter 37, TTS module 1; https://theisegoria.github.io/medical-textbook/integrated-medical-foundations-expanded-english.md; module SHA256 at export: 6cfa4e98fe87a63183a6a19c5105f88c7043a39e3cfa6e123c288ed6e4ab10c3; editorial review pending	imf lang::en chapter::037 module::037-01 review::pending
IMF-037-01-0022-en	How do polyenes and azoles differ in their action on ergosterol?	Polyenes bind ergosterol and disrupt the membrane, whereas azoles inhibit ergosterol synthesis.	Integrated Medical Foundations; chapter 37, TTS module 1; https://theisegoria.github.io/medical-textbook/integrated-medical-foundations-expanded-english.md; module SHA256 at export: 6cfa4e98fe87a63183a6a19c5105f88c7043a39e3cfa6e123c288ed6e4ab10c3; editorial review pending	imf lang::en chapter::037 module::037-01 review::pending
IMF-037-01-0023-en	Why should Strongyloides be identified or treated before major immunosuppression in at-risk patients?	Immunosuppression can allow hyperinfection, which can be fatal.	Integrated Medical Foundations; chapter 37, TTS module 1; https://theisegoria.github.io/medical-textbook/integrated-medical-foundations-expanded-english.md; module SHA256 at export: 6cfa4e98fe87a63183a6a19c5105f88c7043a39e3cfa6e123c288ed6e4ab10c3; editorial review pending	imf lang::en chapter::037 module::037-01 review::pending
IMF-037-01-0024-en	Apart from resistance, what can explain apparent antimicrobial treatment failure?	Wrong diagnosis, inadequate exposure, poor adherence, undrained pus, obstruction, infected device, poor perfusion, immune deficit, or complication, so a longer course is not automatically better.	Integrated Medical Foundations; chapter 37, TTS module 1; https://theisegoria.github.io/medical-textbook/integrated-medical-foundations-expanded-english.md; module SHA256 at export: 6cfa4e98fe87a63183a6a19c5105f88c7043a39e3cfa6e123c288ed6e4ab10c3; editorial review pending	imf lang::en chapter::037 module::037-01 review::pending