NA-FASI-Antimyco Rationale Flashcards
Which is/are respiratory quinolones:
Moxifloxacin
Levofloxacin
Both
Neither
Both
Adverse reaction of crystalluria is associated with
Sulfonamide
Adverse reaction of ototoxicity is associated with
Capreomycin
Activity against Mycobacterium tuberculosis:
Levoflaxacin _ Ciprofloxacin
Levoflaxacin > Ciprofloxacin
Which is/are bacteriostatic
Isoniazid
Rifampin
Both
Neither
Neither
Clinically used for treatment of chlamydial urethritis:
Levofloxacin
TRUE OR FALSE
Trimethoprim-sulfamethoxazole is the drug of choice for toxoplasmosis.
TRUE
Which is/are respiratory quinolones:
Gemfloxacin
Ciprofloxacin
Both
Neither
Gemfloxacin
Moxifloxacin
Adverse effect of nephrotoxicity is associated with:
Ethionamide
Capreomycin
Cycloserine
Aminosalicylic Acid
Bedaquiline
Capreomycin
Which is/are bacteriostatic
Isoniazid
Ethambutol
Pyrazinamide
Ethambutol
Pyrazinamide
Classify: Sulfamethoxazole
Oral Absorbable Sulfonamide
Oral Nonabsorbable Sulfonamide
Topical Sulfonamide
Oral Absorbable Sulfonamide
Which is/are respiratory quinolones:
Moxifloxacin
Ciprofloxacin
Both
Neither
Moxifloxacin
Which is/are hepatotoxic:
Pyrazinamide
Rifampin
Both
Neither
Pyrazinamide
Which is/are generally bactericidal?
Ethambutol
Rifampin
Both
Neither
Rifampin
Mechanism of action of Trimethoprim
Inhibits topoisomerase IV
Inhibits dihydropteroate synthase
Both
Neither
Neither
TRUE or FALSE
Sulfonamides stimulates growth Rickettsiae
TRUE
Adverse effect of granulocytopenia is associated with:
Ethionamide
Capreomycin
Cycloserine
Aminosalicylic Acid
Bedaquiline
Aminosalicylic Acid
Adverse reaction of Steven-Johnson syndrome is associated with:
Sulfonamide
Trimethoprim
Ciprofloxacin
Sulfonamide
This inhibits RNA synthesis by binding to bacterial DNAdependent RNA pol
Isoniazid
Rifampin
Pyrazinamide
Ethambutol
Streptomycin
Rifampin
Adverse reaction of hemolytic anemia is associate with:
Sulfonamide
Trimethoprim
Ciprofloxacin
Sulfonamide
Anti-leprosy drug which can cause hemolysis in G6PD deficient patients
Dapsone
Clofazimine
Rifampin
Isoniazid
Dapsone
This disrupts mycobacterial cell membrane
Isoniazid
Rifampin
Pyrazinamide
Ethambutol
Streptomycin
Pyrazinamide
Mechanism of Action of Sulfonamides
Inhibits DNA gyrase
Inhibits topoisomerase IV
Both
Neither
Neither
TRUE or FALSE
Trimethorpim-sulfamethoxazole is the drug of choice for nocardiosis
TRUE
Mechanism of action of Quinolones
Inhibits DNA gyrase
Inhibits dihydrofolate reductase
inhibits topoisomerase IV
Inhibits DNA gyrase
inhibits topoisomerase IV
Hepatic biotransformation of absorbed sulfonamide includes:
Sulfation
Acetylation
Methylation
Glucoronidation
Acetylation
Glucoronidation
Which drug combination is used to treat falciparum malaria:
Sulfamethoxazole + Trimethoprim
Sulfadiazine + Pyrimethamine
Clofazimine + Pyrazinamide
Sulfadoxine + Pyrimethamine
Sulfadoxine + Pyrimethamine
Drug of choice for prophylaxis against disseminated M. avium complex MAC
Azithromycin
Clarithromycin
Rifabutin
Azithromycin
Clarithromycin
Rifabutin din ata
lahat ba?
Clinically used for menigococcal carrier:
Ciprofloxacin
Levofloxacin
Both
Neither
Ciprofloxacin
Levofloxacin
Drug of choice for treatment of anthrax:
Ciprofloxacin
Levofloxacin
Norfloxacin
Ofloxacin
Ciprofloxacin
Clinically used for treatment of gonococcal infection:
Ciprofloxacin
Levofloxacin
Both
Neither
Neither
Which can cross the blood brain barrier with inflammed meninges
Pyrazinamide
Ethambutol
Rifampin
Isoniazid
Pyrazinamide
Ethambutol
Isoniazid
** Clinically used to treat tuberculosis in patients with HIV infection on antiretroviral therapy
**
Rifabutin
Rifapentin
Both
Neither
rifabutin
Adverse effect of QTc interval prolongation is associated with:
Gemfloxacin
Moxifloxacin
Both
Neither
Gemfloxacin
Moxifloxacin
Levofloxacin
Oral sulfisoxazole is indicated for:
Simple urinary tract infections
Ocular infections
Burn infections
Ulcerative colitis or rheumatoid arthritis
Toxoplasmosis
Simple urinary tract infections
“Megaloblastic anemia, leukopenia, and granulocytopenia are predictable adverse effects of:”
Sulfonamide
Trimethoprim
Beta-lactam
Quinolone
Trimethoprim
MOA is mycolic acid synthesis inhibitor
Ethionamide
Capreomycin
Cycloserine
Aminosalicylic Acid
Bedaquiline
Ethionamide
MOA is protein synthesis inhibitor
Ethionamide
Capreomycin
Cycloserine
Aminosalicylic Acid
Bedaquiline
Capreomycin
Which is active against intracellular tubercle bacilli
Isoniazid
Pyrazinamide
Both
Neither
Both
Clinically used for treatment of chlamydial urethritis:
Ofloxacin
Levofloxacin
Both
Neither
Both
TRUE or FALSE
Trimethoprim inhibits the secretion of creatinine in the distal renal tubule
TRUE
As antimetabolites of PABA, there are competitive inhibitors of dihydropteroate synthase
Sulfonamide
Trimethoprim
Pyrimethamine
Quinolone
Sulfonamide
Which is/are hepatotoxic
Isoniazid
Pyrazinamide
Both
Neither
Both
Activity against atypical mycobacteria
Levofloxacin > Ciprofloxacin
Levofloxacin < Ciprofloxacin
Levofloxacin = Ciprofloxacin
Levofloxacin > Ciprofloxacin
TRUE or FALSE
Silver sulfadiazine is more toxic topical sulfoniamide than mafenide
FALSE
Acute hemolysis in patients with glucose-6-phosphate
dehydrogenase deficiency is observed with:
Sulfonamide
Trimethoprim
Beta lactam
Quinolone
Sulfonamide
Absorbed Sulfonamides are removed from the body by:
Urinary glomerular filtration
Biliary excretion
Both
Neither
Urinary glomerular filtration
Adverse reaction of Drug-induced systemic lupus erythematosus is associated with:
Isoniazid
Rifampin
Pyrazinamide
Ethambutol
Streptomycin
Isoniazid
Which is/are enzyme inhibitor
Isoniazid
Pyrazinamide
Both
Neither
Isoniazid
Which is/are enzyme inducer
Ethambutol
Rifampin
Rifampin
Adverse reaction of red-green color blindness is associated with:
Isoniazid
Rifampin
Pyrazinamide
Ethambutol
Streptomycin
Ethambutol
Anti-leprosy drug which can cause erythrema nodosum leprosum
Dapsone
Clofazimine
Rifampin
Isoniazid
Dapsone
Anti-leprosy drug which can cause Methemoglobinemia
Dapsone
Clofazimine
Rifampin
Isoniazid
Dapsone
This inhibits arabinoglycan polymerization by binding to
arabinosyl transferase
Isoniazid
Rifampin
Pyrazinamide
Ethambutol
Streptomycin
Ethambutol
Activity against M. tuberculosis
Moxifloxacin < Levofloxacin
Moxifloxacin > Levofloxacin
Moxifloxacin = Levofloxacin
Moxifloxacin > Levofloxacin
Adverse reaction of acute tubular necrosis is associated with
Isoniazid
Rifampin
Pyrazinamide
Ethambutol
Streptomycin
Rifampin
TRUE or FALSE
fluoroquinolones were originally developed against Gram-positive aerobic bacteria
FALSE
Granulocytopenia, thrombocytopenia, and aplastic anemia is a hematologic toxicity of:
Sulfonamide
Trimethoprim
Beta lactam
Quinolone
Sulfonamide
This inhibits mycolic acid synthesis by binding to beta-ketoacyl protein synthetase
Isoniazid
Rifampin
Pyrazinamide
Ethambutol
Streptomycin
Isoniazid
TRUE or FALSE
Trimethoprim is less lipid-soluble than sulfamethoxazole.
False
Clinically used against Shigellosis for children
TMP-SMZ
Ciprofloxacin
Both
Neiter
Ciprofloxacin
Adverse effect of cardiac toxicity is associated with
Ethionamide
Capreomycin
Cycloserine
Aminosalicylic Acid
Bedaquiline
Bedaquiline
Oral triple sulfa is indicated for:
Simple urinary tract infections
Ocular infections
Burn infections
Ulcerative colitis or rheumatoid arthritis
Toxoplasmosis
Simple urinary tract infections
TRUE or FALSE
Topoisomerase IV inhibition prevents the relaxation of
supercoiled DNA.
FALSE
MOA is cell wall synthesis inhibitor
Ethionamide
Capreomycin
Cycloserine
Aminosalicylic Acid
Bedaquiline
Cycloserine
MOA is folate synthesis inhibitor
Ethionamide
Capreomycin
Cycloserine
Aminosalicylic Acid
Bedaquiline
Aminosalicylic Acid
Adverse reaction of hyperuricemia is associated with
Isoniazid
Rifampin
Pyrazinamide
Ethambutol
Streptomycin
Pyrazinamide
TRUE or FALSE
Lomefloxacin may cause photosensitivity.
TRUE
TRUE or FALSE
Trimethoprim-sulfamethoxazole is the drug of choice for Pneumocystis pneumonia.
TRUE
This is administered to minimize bone marrow suppression caused by pyrimethamine
Clofazimine
Pyridoxine
Plazomicin
Leucovorin
Leucovorin
Activity against M. tuberculosis
Levofloxacin > Ciprofloxacin
Levofloxacin < Ciprofloxacin
Levofloxacin = Ciprofloxacin
Levofloxacin > Ciprofloxacin
This is an inhibitor of dihydrofolate reductase
pyrimethamine
sulfonamide
quinolone
beta lactam
pyrimethamine
Adverse effect of crystalluria is associated with
Ethionamide
Capreomycin
Cycloserine
Aminosalicylic Acid
Bedaquiline
Aminosalicylic Acid
This weakly acidic compound that have a common chemical nucleus resembling p-aminobenzoic acid (PABA)
sulfonamide
trimethoprim
pyrimethamine
quinolone
sulfonamide
Adverse reaction of crystalluria is associated with
Sulfonamide
Trimethoprim
Ciprofloxacin
Sulfonamide
Hepatic biotransformation of absorbed sulfonamide includes
methylation
glucuronidation
both
neither
glucuronidation
Anti-leprosy drug which can be used to treat Pneumocystis jiroveci in AIDS patients
Dapsone
Clofazimine
Rifampin
Isoniazid
Dapsone
Anti-leprosy drug which inhibit folate synthesis
Dapsone
Clofazimine
Rifampin
Isoniazid
Dapsone
Which has the longest half-life?
Ofloxacin
Levofloxacin
Moxifloxacin
Gemifloxacin
Moxifloxacin
Anti-leprosy drug which can cause discoloration of the skin
Dapsone
Clofazimine
Rifampin
Isoniazid
Clofazimine
TRUE or FALSE
Pseudomonas is intrinsically resistant to sulfonamides.
TRUE
Clinically used against UTI for children
TMP-SMZ
Ciprofloxacin
Both
Neither
TMP-SMZ
Classify: Sulfadiazine-pyrimethamine
Oral Absorbable Sulfonamide
Oral Nonabsorbable Sulfonamide
Topical Sulfonamide
Oral Absorbable Sulfonamide
Adverse effect of psychosis is associated with
Mechanism of action of Sulfonamides
inhibits topoisomerase IV
inhibits dihydropteroate
synthase
Both
Neither
inhibits dihydropteroate
synthase
Adverse effect of depression is associated with
Ethionamid
Capreomycin
Cycloserine
Aminosalicylic Acid
Bedaquiline
Cycloserine
Oral sulfa-salazine is indicated for:
Simple urinary tract infections
Ocular infections
Burn infections
Ulcerative colitis or rheumatoid arthritis
Toxoplasmosis
Ulcerative colitis or rheumatoid arthritis
Which is nephrotoxic
Sulfonamide
Trimethoprim
Both
Neither
Sulfonamide
This selective inhibitor of bacterial dihydrofolate reductase
that prevents formation of the active tetrahydro form of folic
acid
trimethoprim
sulfonamide
beta lactam
quinolone
trimethoprim
**TRUE or FALSE **
Sulfonamides stimulates growth of Ricketsiae.
TRUE