Description : Adverse effects of ciprofloxacin are referable primarily to the following except (a) Gastrointestinal tract (b) Kidney (c) Skin (d) Nervous system
Last Answer : Ans: B
Description : Shigellosis is primarily a disease of the _____. a. Nervous System b. Blood c. Respiratory Tract d. Gastrointestinal Tract
Last Answer : d. Gastrointestinal Tract
Description : Adverse effects of ketoconazole include the following except: A. Gynaecomastia B. Oligozoospermia C. Kidney damage D. Menstrual irregularities
Last Answer : C. Kidney damage
Description : Oxethazaine is used for anaesthetizing gastric mucosa because: A. It is not absorbed from the gastrointestinal tract B. It remains largely unionized in acidic medium C. It is highly ionized in acidic medium D. It produces no systemic effects even at high doses
Last Answer : B. It remains largely unionized in acidic medium
Description : Potential adverse effects associated with aspirin include all of the following except (a) Gastrointestinal ulceration (b) Renal dysfunction (c) Enhanced methotrexate toxicity (d) Cardiac arrhythmias (e) Hypersensitivity asthma
Last Answer : Ans: E
Description : The following is true of sulfonamides except: A. They are more likely to produce crystalluria in alkaline urine in which they are less soluble B. They are primarily metabolized by acetylation ... in the urinary tract D. Used alone, they have become therapeutically unreliable for serious infections
Last Answer : A. They are more likely to produce crystalluria in alkaline urine in which they are less soluble
Description : Adrenaline is inactive orally because it is: A. Not absorbed from the gastrointestinal tract B. Destroyed by gastric acid C. Completely metabolized in the intestinal mucosa and liver before reaching systemic circulation D. Taken up by adrenergic nerve endings of the intestinal wall, liver and lungs
Last Answer : C. Completely metabolized in the intestinal mucosa and liver before reaching systemic circulation
Description : Which of the following statements is correct in relation to the endocrine system? (a) Non-nutrient chemicals produced by the body in trace amounts that act as intercellular messenger are known as ... in the body like gastrointestinal tract, heart, kidney and liver do not produce any hormones.
Last Answer : (a) Non-nutrient chemicals produced by the body in trace amounts that act as intercellular messenger are known as hormones.
Description : Parenteral testosterone therapy in a boy can cause the following adverse effects except: A. Gynaecomastia B. Acne C. Cholestatic jaundice D. Precocious puberty
Last Answer : C. Cholestatic jaundice
Description : The constellation of adverse effects associated with nonsteroidal antiinflammatory drugs include the following except: A. Sedation B. Gastric irritation C. Fluid retention D. Rashes
Last Answer : A. Sedation
Description : All of the following drugs are suitable oral therapy for a lower urinary tract infection due to Pseudomonas aeruginosa except (a) Norfloxacin (b) Trimethoprim-sulfamethxazole (c) Ciprofloxacin (d) Carbenicillin (e) Methenamine mandelate
Description : Chromium as a contaminant in drinking water in excess of permissible levels, causes (A) Skeletal damage (B) Gastrointestinal problem (C) Dermal and nervous problems (D) Liver/Kidney problems
Last Answer : (D) Liver/Kidney problems
Description : Methotrexate has the following attributes except: A. It is cell cycle specific and kills cells in the S phase B. Its toxicity primarily affects bone marrow and epithelial structures C. Folic acid reverses its toxic effects D. It is the drug of choice for choriocarcinoma
Last Answer : C. Folic acid reverses its toxic effects
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 : First line antitubercular drugs include the following except: A. Ciprofloxacin B. Streptomycin C. Pyrazinamide D. Ethambutol
Last Answer : A. Ciprofloxacin
Description : Important microbiological features of ciprofloxacin include the following except: A. Long postantibiotic effect B. Marked suppression of intestinal anaerobes C. MBC values close to MIC values D. Slow development of resistance
Last Answer : B. Marked suppression of intestinal anaerobes
Description : Ropinirole differs from bromocriptine in the following respect: A. It does not directly activate dopamine D2 receptors B. It produces milder gastrointestinal side effects C. In early cases of parkinsonism, it is less likely to need levodopa supplementation D. Both 'B' and 'C' are correct
Last Answer : D. Both 'B' and 'C' are correct
Description : Toxicity of local anaesthetics involves the following organs except: A. Heart B. Brain C. Kidney D. Skin and subcutaneous tissue (p. 324)
Last Answer : D. Dibucaine
Description : Morphine induced constipation involves the following mechanisms except: A. Increase in tone and decrease in propulsive activity of intestinal muscles B. Antivagal action C. Spasm of gastrointestinal sphincters D. Reduction of gastrointestinal secretions
Last Answer : B. Antivagal action
Description : The following is true of mefloquine: A. P. falciparum does not develop resistance to mefloquine B. Concurrent use of β blockers with mefloquine is contraindicated C. Neuropsychiatric reactions are the most important adverse effects of mefloquine D. All of the above
Last Answer : C. Neuropsychiatric reactions are the most important adverse effects of mefloquine
Description : Choose the drug whose single oral dose affords clinical cure of uncomplicated malaria caused by chloroquine sensitive/resistant P.falciparum as well as P. vivax: A. Quinine B. Mefloquine C. Artesunate D. Proguanil
Last Answer : B. Mefloquine
Description : An AIDS patient treated with zidovudine + lamivudine + nelfinavir developed intolerable adverse effects. Then: A. Dose of all three drugs should be reduced to half B. All three drugs should be stopped or substituted simultaneously C. The drugs should be stopped one by one D. Two drugs sh
Last Answer : B. All three drugs should be stopped or substituted simultaneously
Description : Antiretroviral therapy is not recommended in asymptomatic HIV infected subjects with CD4 cell count more than 350/µl because of the following reason(s): A. All antiretroviral drugs lose efficacy after ... C. The treated subjects may produce and transmit drug resistant virus D. All of the above
Last Answer : D. All of the above
Description : The most important reason for using a combination of chemotherapeutic agents in the treatment of tuberculosis is: A. To prevent development of resistance to the drugs B. To obtain bactericidal effect C. To broaden the spectrum of activity D. To reduce adverse effects of the drugs
Last Answer : A. To prevent development of resistance to the drugs
Description : Clavulanic acid is combined with amoxicillin because: A. It kills bacteria that are not killed by amoxicillin B. It retards renal excretion of amoxicillin C. It counteracts the adverse effects of amoxicillin D. It inhibits beta lactamases that destroy amoxicillin
Last Answer : D. It inhibits beta lactamases that destroy amoxicillin
Description : A higher incidence of adverse effects to cotrimoxazole occurs when this drug is used for: A. Typhoid fever B. Whooping cough C. Pneumocystis carinii pneumonia in AIDS patients D. Chancroid
Last Answer : C. Pneumocystis carinii pneumonia in AIDS patients
Description : Which of the following adverse effects of neuroleptic drugs is positively correlated to the antipsychotic potency of the different compounds: A. Sedation B. Extrapyramidal motor disturbances C. Postural hypotension D. Lowering of seizure threshold
Last Answer : B. Extrapyramidal motor disturbances
Description : Which of the following adverse effects of levodopa has a delayed onset and increases in severity with continued therapy: A. Nausea and vomiting B. Postural hypotension C. Cardiac arrhythmia D. Abnormal movements
Last Answer : D. Abnormal movements
Description : Adverse consequences of excess mineralocorticoid action include the following except: A. Na+ and water retention B. Acidosis C. Aggravation of CHF associated myocardial fibrosis D. Rise in blood pressure
Last Answer : B. Acidosis
Description : Which of the following adverse drug reactions is due to a specific genetic abnormality: A. Tetracycline induced sunburn like skin lesions B. Quinidine induced thrombocytopenia C. Metoclopramide induced muscle dystonia D. Primaquine induced massive haemolysis
Last Answer : D. Primaquine induced massive haemolysis
Description : Empiric therapy with chloramphenicol is valid in the following conditions except: A. Urinary tract infection B. Pelvic abscess C. Endophthalmitis D. Meningitis in a 4-year-old child
Last Answer : A. Urinary tract infection
Description : The following is true of propafenone except: A. It is a weak Na+ channel blocker B. It markedly delays recovery of myocardial Na+ channels C. It has additional β-adrenergic blocking property D. It slows anterograde as well as retrograde conduction in the WPW bypass tract
Last Answer : A. It is a weak Na+ channel blocker
Description : Though nitrates and calcium channel blockers are both vasodilators, they are used concurrently in angina pectoris, because: A. They antagonise each other's side effects B. Nitrates primarily ... primarily reduce after-load C. Nitrates increase coronary flow while calcium channel blockers reduce ca
Last Answer : B. Nitrates primarily reduce preload while calcium channel blockers primarily reduce after-load
Description : What are the functions of each organ of the gastrointestinal tract? -Biology
Last Answer : answer:
Description : What are the four layers of the Gastrointestinal Tract and the function of each? -Biology
Last Answer : : Food is most absorbed in the small intestine.
Description : The daily water loss through gastrointestinal tract in an adult is about (A) Less than 100 ml/day (B) 200 ml/day (C) 300 ml/day (D) 400 ml/day
Last Answer : Answer : A
Description : From dietary protein as well as from the urea present in fluids secreted into the gastrointestinal tract intestinal bacteria produce (A) Carbondioxide (B) Ammonia (C) Ammonium sulphate (D) Creatine
Last Answer : Answer : B
Description : The first line of host defense is the barrier presented to the external environment. Which of the following statement(s) is/are true concerning host barriers? a. Sebaceous glands secrete ... of the upper gastrointestinal tract d. Gut peristalsis serves to prevent microbial adherence and invasion
Last Answer : Answer: b, c, d The skin, mucus membranes, and epithelial layers of various organs of the body constitute effective physical barriers against microbial invasion. In certain portions of the ... very low pH within the stomach and gut peristalsis both serve to prevent microbial adherence and invasion
Description : The emetic action of morphine is due to (a) Irritation of gastrointestinal tract (b) Stimulation of cerebral cortex (c) Stimulation of medullary vomiting center (d) Stimulation of emetic chemoreceptor trigger zone (e) None of the above
Last Answer : Ans: D
Description : In gastrointestinal tract, serotonin causes (a) Contraction of gastrointestinal muscles (b) Decreased muscle tone (c) Decreased peristalsis (d) All of the above
Last Answer : Ans: A
Description : The following are true about parathyroid hormone a. it is an 84 amino acid peptide hormone b. it increases calcium absorption from the gastrointestinal tract c. it acts on a cell surface receptor that increases intracellular cyclic AMP d. all above
Last Answer : all above
Description : Resistance to disease in the passageways of the respiratory and gastrointestinal tract is dependent on antibodies in the class _____. a. IgG b. IgA c. IgE d. IgM
Last Answer : b. IgA
Description : These viruses multiply first in the tonsils and then the lymphoid tissues of the gastrointestinal tract. a. Rabies virus b. Rotavirus c. Polio virus d. Hepatitis A virus
Last Answer : c. Polio virus
Description : Which one of the following is NOT a digestive organ of the gastrointestinal (GI) tract? a. Large intestine b. Oral cavity c. Liver d. Small intestine
Last Answer : c. Liver
Description : The following is true of vancomycin except: A. It is a bactericidal antibiotic active primarily against gram positive bacteria B. It acts by inhibiting bacterial protein synthesis C. It is an alternative to penicillin for enterococcal endocarditis D. It can cause deafness as a dose related toxicity
Last Answer : B. It acts by inhibiting bacterial protein synthesis
Description : Which fluoroquinolone is highly active against Mycobact. leprae and is being used in alternative multidrug therapy regimens: A. Norfloxacin B. Ofloxacin C. Ciprofloxacin D. Lomefloxacin
Last Answer : B. Ofloxacin
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