Description : Indicate the second line antitubercular drug that is being preferred to supplement ethambutol + streptomycin in case of hepatotoxicity due to isoniazid/ rifampin/pyrazinamide: A. Ethionamide B. Cycloserine C. Ofloxacin D. Capreomycin
Last Answer : C. Ofloxacin
Description : Which first line antitubercular drug is only tuberculostatic and not tuberculocidal: A. Rifampin B. Isoniazid C. Ethambutol D. Pyrazinamide
Last Answer : C. Ethambutol
Description : First line antitubercular drugs include the following except: A. Ciprofloxacin B. Streptomycin C. Pyrazinamide D. Ethambutol
Last Answer : A. Ciprofloxacin
Description : According to the current WHO guidelines, new (untreated) sputum smear positive cases of pulmonary tuberculosis are to be treated with the following regimen: A. Isoniazid + Rifampin + Pyrazinamide ... D. Isoniazid + Rifampin for 6 months with additional Pyrazinamide during the initial 2 months
Last Answer : C. Isoniazid + Rifampin for 6 months with additional Pyrazinamide + Ethambutol/Streptomycin during the initial 2 months
Description : Addition of pyrazinamide and ethambutol for the first two months to the isoniazid + rifampin therapy of tuberculosis serves the following purpose(s): A. Reduces the total duration of therapy to 6 months B. ... sputum conversion C. Permits reduction of rifampin dose D. Both A' and B' are correct
Last Answer : D. Both ‘A’ and ‘B’ are correc
Description : A patient of pulmonary tuberculosis treated with rifampin + isoniazid + pyrazinamide developed parasthesias, weakness, dizziness, ataxia and depressed tendon reflexes. Which of the following ... with thiacetazone C. Substitute pyrazinamide with ethambutol D. Substitute rifampin with streptomycin
Last Answer : A. Temporarily discontinue isoniazid and add pyridoxine
Description : Isoniazid is a primary antitubercular agent that (a) Requires pyridoxine supplementation (b) May discolor the tears, saliva, urine or feces orange-red (c) Causes ocular complications that are reversible if ... (d) May be ototoxic and nephrotoxic (e) Should never be used due to hepatotoxic potential
Last Answer : Ans: A
Description : Hyperuricaemia is produced by the following drugs except: A. Ethambutol B. Pyrazinamide C. Sulfinpyrazone D. Hydrochlorothiazide
Last Answer : C. Sulfinpyrazone
Description : The drugs used to treat Mycobact. avium complex infection in AIDS patients include the following except: A. Isoniazid B. Clarithromycin C. Ethambutol D. Ciprofloxacin
Last Answer : A. Isoniazid
Description : Mycobact. tuberculosis infection in a HIV infected patient is treated with: A. The same antitubercular regimen as HIV negative patient B. Four first line antitubercular drugs for 2 months followed ... line antitubercular drugs for 9 months D. Clarithromycin + Ciprofloxacin + Rifabutin for 12 months
Last Answer : B. Four first line antitubercular drugs for 2 months followed by a longer continuation phase of 7 months with rifampin + isoniazid
Description : Multidrug resistant (MDR) tuberculosis is defined as resistance to: A. Any two or more antitubercular drugs B. Isoniazid + any other antitubercular drug C. Isoniazid + Rifampin + any one or more antitubercular drugs D. All five first line antitubercular drugs
Last Answer : C. Isoniazid + Rifampin + any one or more antitubercular drugs
Description : In the short course regimen for treatment of tuberculosis, pyrazinamide and ethambutol are used for: A. Initial one month B. Initial two months C. Last two months D. Throughout the course
Last Answer : B. Initial two months
Description : The intermittently multiplying (spurter) tubercle bacilli present within caseous material having low oxygen tension are most susceptible to: A. Ethambutol B. Rifampin C. Streptomycin D. Pyrazinamide
Last Answer : B. Rifampin
Description : Concurrent use of the following drug is likely to cause failure of oral contraception: A. Isoniazid B. Rifampicin C. Cimetidine D. Propranolol
Last Answer : C. Cimetidin
Description : ifampin + pyrazinamide for initial 2 months followed by isoniazid + rifampin for another 4 months for the following category of tubercular patients: A. New sputum positive cases of ... pulmonary tuberculosis who have interrupted treatment for more than 2 months D. Tubercular meningitis patients
Last Answer : B. New sputum negative cases of pulmonary tuberculosis
Description : Under the WHO guidelines for treatment of new cases of tuberculosis, when isoniazid + ethambutol are used in the continuation phase instead of isoniazid + rifampin,, the duration of this phase is: A. 2 months B. 4 months C. 6 months D. 8 month
Last Answer : C. 6 months
Description : The antitubercular action of thiacetazone has the following feature(s): A. It is a low efficacy antitubercular drug B. It is combined with isoniazid to improve anti-tubercular efficacy of the latter C. ... with isoniazid to prevent development of resistant infection D. Both A' and C' are correc
Last Answer : D. Both ‘A’ and ‘C’ are correct
Description : Choose the correct statement about rifampin: A. It is the most active drug on slow growing tubercle bacilli B. Its antitubercular efficacy is lower than that of isoniazid C. It is active against many atypical mycobacteria D. It does not effectively cross blood-CSF barrier
Last Answer : C. It is active against many atypical mycobacteria
Description : As an antitubercular drug, isoniazid has the following advantages except: A. It is tuberculocidal B. It acts on both extra and intracellular bacilli C. Tubercle bacilli do not develop resistance against it D. It is cheap
Last Answer : C. Tubercle bacilli do not develop resistance against it
Description : The drugs that form complexes with pyridoxal are (A) Isoniazid (B) Penicillamine (C) Rifampicin (D) Both (A) and (B)
Last Answer : Answer : D
Description : The following is not true of the cytochrome P450 isoenzyme CYP2D6: A. It generates the hepatotoxic metabolite N-acetyl benzoquinone immine from paracetamol B. It is involved in demethylation of ... for poor capacity to hydroxylate many drugs including metoprolol D. It is inhibited by quinidine
Last Answer : A. It generates the hepatotoxic metabolite N-acetyl benzoquinone immine from paracetamol
Description : Which of the following drugs can precipitate hypoglycaemia if given to a diabetic controlled with a sulfonylurea drug: A. Phenobarbitone B. Chloramphenicol C. Rifampicin D. Oral contraceptive
Last Answer : . Chloramphenicol
Description : As per WHO guidelines, treatment of failure or relapse (category II) patients of smear positive pulmonary tuberculosis differs from that of new cases in the following respect(s): A. All 5 first line antitubercular drugs ... are given in the continuation phase instead of two (HR) D. Both 'A' and 'C'
Last Answer : D. Both 'A' and 'C'
Description : What is true of DOTS strategy for treatment of tuberculosis: A. It consists of an initial intensive phase and a later continuation phase B. The dose of antitubercular drugs is reduced ... patient himself is made responsible for administering antitubercular drugs D. All of the above are correct
Last Answer : A. It consists of an initial intensive phase and a later continuation phase
Description : Fixed dose combination formulations are not necessarily appropriate for: A. Drugs administered in standard doses B. Drugs acting by the same mechanism C. Antitubercular drugs D. Antihypertensive drugs
Last Answer : C. Antitubercular drugs
Description : Isoniazid and ethambutol are used to treat a. Cholera. b. Influenza. c. MRSA. d. Tuberculosis.
Last Answer : d. Tuberculosis.
Description : Entacapone differs from tolcapone in the following respect/respects: A. It is shorter acting B. It acts only by inhibiting peripheral metabolism of levodopa C. It is not hepatotoxic D. All of the above are correct
Last Answer : D. All of the above are correct
Description : In the multidrug therapy of leprosy, rifampicin is given: A. Daily B. On alternate days C. Weekly D. Monthly
Last Answer : D. Monthly
Last Answer : A. It generates the hepatotoxic metabolite N-acetyl benzoquinone immine from paracetamo
Description : In a patient of pulmonary tuberculosis, pyrazinamide is most active on the following subpopulation of tubercle bacilli: A. Rapidly multiplying bacilli located on cavity walls B. Slow ... showing inflammatory response C. Intermittently multiplying bacilli within caseous material D. Dormant bacilli
Last Answer : B. Slow growing bacilli within macrophages and at sites showing inflammatory response
Description : A woman aged 25 years is diagnosed to be suffering from pulmonary tuberculosis. She is also 8 weeks pregnant. Antitubercular therapy for her should be: A. Started immediately B. Delayed till end of first trimester C. Delayed till end of second trimester D. Delayed till after confinement
Last Answer : . Started immediately
Description : The WHO guidelines for treatment of tuberculosis with short course chemotherapy under the DOTS strategy categorise patients on the basis of the following: A. Site and severity of the disease B. Sputum smear positivity/negativity C. History of earlier antitubercular drug use D. All of the above
Last Answer : D. All of the above
Description : The primary reason for not using ethionamide as a first line antitubercular drug is: A. It produces gastrointestinal intolerance and hepatitis B. It is only tuberculostatic and not tuberculocidal C. Ethionamide resistance has become widespread D. It has to be given by injection
Last Answer : A. It produces gastrointestinal intolerance and hepatitis
Description : Paraaminosalicylic acid is a second line antitubercular drug because of the following feature(s): A. Low antitubercular efficacy B. Frequent side effects C. Bulky daily dose D. All of the above
Description : The characteristic toxicity of ethambutol is: A. Hepatitis B. Visual defects C. Vestibular disturbance D. Renal damage
Last Answer : B. Visual defects
Description : Ethambutol is not used in children below 6 years of age because: A. Young children are intolerant to ethambutol B. Ethambutol causes growth retardation in young children C. It is ... induced visual impairment in young children D. In young children visual toxicity of ethambutol is irreversible
Last Answer : C. It is difficult to detect ethambutol induced visual impairment in young children
Description : Which antimicrobial should be avoided in patients of liver disease: A. Tetracycline B. Cotrimoxazole C. Cephalexin D. Ethambutol
Last Answer : A. Tetracycline
Description : Which of the following drugs inhibits theophylline metabolism and raises its plasma concentration: A. Phenytoin B. Ciprofloxacin C. Levofloxacin D. Rifampicin
Last Answer : B. Ciprofloxacin
Description : The drug which abolishes the therapeutic effect of levodopa in parkinsonism, but not that of levodopacarbidopa combination is: A. Metoclopramide B. Pyridoxine C. Chlorpromazine D. Isoniazid
Last Answer : B. Pyridoxine
Last Answer : B. Drugs acting by the same mechanism
Description : Vitamin B6 deficiency may occur during therapy with (A) Isoniazid (B) Terramycin (C) Sulpha drugs (D) Aspirin
Last Answer : Answer : A
Description : Though few in number, some drugs, such as _____, can be used to treat some viral infections. a. penicillin and ampicillin b. isoniazid and dapsone c. amantadine and acyclovir d. streptomycin and amphotericin
Last Answer : c. amantadine and acyclovir
Description : Peptidyl transferase activity of 50 S ribosomal subunits is inhibited by (A) Rifampicin (B) Cycloheximide (C) Chloramphenicol (D) Erythromycin
Last Answer : Answer : C
Description : Rifampicin inhibits (A) Unwinding of DNA (B) Initiation of replication (C) Initiation of translation (D) Initiation of transcription
Description : Which of the following concerning the conjugation of bilirubin is correct? 1) is catalysed by a glucuronyl transferase 2) occurs in the Kupfer cells of the liver 3) is increased by valproate 4) is inhibited by rifampicin 5) is impaired in Dubin-Johnson syndrome
Last Answer : Answers-1 b - Hepatocytes. c - Enzyme inhibitor. d - Enzyme inducer. e - Conjugation is OK but excretion from the hepatocyte into the bile is impaired. (Gilbert's syndrome ... bilirubinaemia. Dubin-Johnson syndrome - bilirubin can't Depart from the hepatocyte - conjugated bilirubinaemia.)
Description : Biological response modifiers like GM-CSF are used in conjunction with anticancer drugs for the following purpose(s): A. To enhance antitumour activity of the drug B. To prevent hypersensitivity reactions to ... . To hasten recovery from drug induced myelosuppression D. Both A' and C' are correct
Last Answer : C. To hasten recovery from drug induced myelosuppressio
Description : The following does not apply to cancer chemotherapy: A. Each treatment with a cytotoxic drug kills a constant number of malignant cells B. Drugs are generally used at maximum tolerated ... D. Combination regimens using several drugs in succession are superior to single drug used continuously
Last Answer : A. Each treatment with a cytotoxic drug kills a constant number of malignant cells
Description : Practically all antineoplastic drugs can produce the following toxic effects except: A. Depression of leucocyte count B. Mucositis C. Cardiomyopathy D. Oligozoospermia
Last Answer : C. Cardiomyopathy
Description : Anticancer drugs weaken host defence by: A. Damaging respiratory and gut epithelia B. Inducing granulocytopenia C. Altering resident microbial flora D. Both 'A' and 'B' are correct
Last Answer : D. Both 'A' and 'B' are correct
Description : The following is true of cancer chemotherapy: A. Anticancer drugs increase the risk of developing leukaemias and lymphomas several years later B. All anticancer drugs are highly emetogenic C. Growth fraction of ... than any nomral tissue of the body Aim4aiims.in D. All of the above are correct
Last Answer : A. Anticancer drugs increase the risk of developing leukaemias and lymphomas several years later