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You Are On Multi Choice Question Bank SET 4915

245751. A company executive,who travels world wide,presents with upper abdominal mass and +ve casoni’s test.The organism is:





245752. A cook prepares sandwitches for ten people going for picnic.Eight out of them develop severe gastroenteritis within 4-6 hours of consumption of the sandwitches.It is likely than on investigations the cook is found to be the carrier of:





245753. A boy with skin ulcer on leg ,culture reveals beta hemolysis. Cultures from school children with sore throat some days back also revealed beta hemolysis.What is similarity between both-





245754. A diabetic patient present with bloody nasal discharge, orbital swelling and pain. Culture of periorbital pus showed branching septate hyphae.Which of the following is the most probable organism involved.





245755. A chest physician performs bronchoscopy in the procedure room of the out patient department.To make the instrument safe for use in the next patient waiting outside,the most appropriate method to disinfect the endoscope is by:





245756. A elderly male presented with fever, chest pain and dry cough, sputum cultured on charcoal yeast medium, the organism is –





245757. A ‘Malignant pustule’ is a term used for:





245758. A farmer presenting with fever off-and on for the past 4 years was diagnosed to be suffering from chronic brucellosis.All of the following serological tests would be helpful in the diagnosis at this state except:





245759. A man on return from a country complains of pain in abdomen, jaundice, with increased alkaline phosphate and conjugated hyperbilirubinemia. U.S.G. shows blockage in the biliary tree. What could be the cause





245760. A farmer presents to the emergency department with painful inguinal lymphadenopathy and history of fever and flu like symptoms. Clinical examination reveals an ulcer in the leg.Which of the following stains should be used to detect suspected bipolar stained organisms.





245761. A man presents to a STD clinic with urethritis and urethral discharge.Gram stain shows numerous pus cells but no microorganism.The culture is negative on the routine laboratory media.The most likely agent is:





245762. A farmer presents with multiple discharging sinuses in the leg not responding to antibiotics.Most likely diagnosis is:





245763. A man,after skinning a dead animal,developed a pustule on his hand.A smear prepared from the lesion showed the presence of Gram positive bacilli in long chains which were positive for McFadyean’s reaction.The most likely aetiological agent is:





245764. A farmer presents with pustules,which show Gram Positive Cocci on smear.Culture shows Beta hemolysis,and organisms are Catalase negative.To show that the identified organism is group A streptococci,which of the following test should be done?





245765. A microbiologist wants to develop a vaccine for prevention of attachment of diarrhoeagenic E.coli to the specific receptors in the gastro-intestinal tract.All of the following fimbrial adhesions would be appropriate vaccine candidates except:





245766. A farmer rearing sheep,presented with complaints of fever and weakness for the last one month.There is generalised lymphadenopathy.There was also associated hepatomegaly Biopsy of liver showed non caseating granuloma.These are most likely due to infection with:-





245767. A female presents with symptoms and signs suggestive of meningitis.MRI scan reveals a ring enhancing lesion in the frontotemporal region while CSF grows gram positive bacilli. Other findings are minimally abnormal.Which of the following organisms is the most likely etiological agent:





245768. A five year old child presents with pustular lesions on the lower legs.The culture from the lesion showed hemolytic gram positive coccii.Provisional diagnosis of Group A streptococcal pyoderma can be done by:





245769. A former from the sub-Himalayan region presents with multiple leg ulcers.The most likely causative agent is:





245770. A gardener has multiple vesicles on hand and multiple eruptions along the lymphatics. Most common fungus responsible is?





245771. A girl from Shimla presented to OPD with fever, hypotension, malaise and axillary and inguinal lymphadenopathy. Culture in glucose broth shows stalactite growth. Most likely causative organism is





245772. A HIV mother delivers a baby All are true,EXCEPT:





245773. A infant had high grade fever and respiratory distress at the time of presentation to the emergency room.The sample collected for blood culture was subsequently positive showing growth of a haemolytic colonies.On Gram staining these were gram positive cocci.In the screening test for the identification, the suspected pathogen is likely to be susceptible to the following agent –





245774. A labourer involved with repair-work of sewers was admitted with fever,jaundice and renal failure.The most appropriate test to diagnose the infection in this patient is:





245775. A major step in the pathogenesis of listeriosis is –









245776. A male patient presented with granulomatous penile ulcer. On Wright geimsa stain tiny organisms of 2 microns within macrophages seen. What is the causative organism ?









245777. A patient presents with diarrhoea.Analysis of stool on wet mount shows mobile protozoa without RBCs and pus cells.The Diagnosis is:









245778. A patient presents with signs of pneumonia.The bacterium obtained from sputum was a gram positive cocii which showed alpha hemolysis on sheep agar. Which of the following test will help to confirm the diagnosis?









245779. A patient with Sore throat has a positive Paul Bunnel test.The causative organism is:









245780. A patient,resident of Himachal pradesh presented with a series of ulcers in a row,on his right leg.The biopsy from the affected area was taken and cultured on Sabauraud’s Dextrose agar.What would be the most likely causative organism?









245781. A person presents with pneumonia.His sputum was sent for culture.The bacterium obtained was gram positive cocci in chains and alpha hemolytic colonies on sheep agar.Which of the following will in confirming the diagnosis –





245782. A patient admitted to an ICU is on central venous line for last week.He is on ceftazidime and amikacin.After 7 days of antibiotics he develops a spike of fever an his blood culture is positive for gram positive cocci in chains, which are catalase negative .Following this, vancomycin was started but the culture remained positive for the same organism even after 2 weeks of therapy.The most likely organism causing infection is –





245783. A person returns to Delhi from Bangladesh after 2 days and has diarrhoea.Stool examination shows RBCs in stool.The likely organism causing is:





245784. A patient admitted to an ICU is on central venous line for the last one week.He is on ceftazidime and amikacin. After 7 days of antibiotics he develops a spike of fever an his blood culture is positive for gram positive cocci in chains, which are catalase negative.Following this, vancomycin was started but the culture remained positive for the same organism even after 2 weeks of therapy.The most likely organism causing infection is –





245785. A person workin in a abattori presented with pustule on hand which turned into ulcer, which will best help in diagnosis –





245786. A patient admitted to an ICU is on central venous line for the past one week.He is on Ceftazimide and Amikacin.After 7 days of antibiotics, he develops a spike of fever and his blood culture is positive for gram positive cocci in chains, which are catalase negative.Following this V ancomycin was started but the culture remained positive for the same organism causing infection is –





245787. A person working in an abattoir presented with a papule on hand,which turned into an ulcer.Which will best help in diagnosis





245788. A patient complained of chills and fever following a louse bite 2 weeks before.He had rashes all over the body and was delirious at the time of presentation to the hospital and subsequently went into coma.A provisional diagnosis of vasculitis due to Rickettsial infection was made.Which one of the following can be causative agent:





245789. A pregnant woman from bihar presents with hepatic encephalopathy.The likely diagnosis:





245790. A patient i an ICU is on a CVP line.His blood culture shows growth of grain positive cocci which are catalase positive and coagulase negative.The most likely etiological agent is:





245791. A patient in an ICU is on central venous line for the past one week.He is on ceftazidime and amikacin.After 7 days of antibiotics he develops a spike of fever and his blood culture is positive for gram positive cocci in chains,which are catalase negative.Following this vancomycin was started but the culture remained positive for the same organism even after 10 days therapy.The most likely organism causing this infection is





245792. A patient made a self-diagnosis of athlete’s foot (tineapedis)and began using a product advertised on television.The condition improved but did not clear and then the patient showed himself to a Dermatologist.A skin scarping was sent to the laboratory for culture,including culture for fungi.The fungal culture yielded a slow growing colony,which produced a few small microconidia.This is consistent with isolation of a dermatophyte of the genera:





245793. A patient of Acute Lymphocytic leukemia with fever and neutropenia develops diarrhoea after administration of amoxicillin therapy, which of the following organism is most likely to be causative agent –





245794. A patient of RHD developed infective endocarditis after dental extraction.Most likely organism causing this is:





245795. A typical pneumonia is caused by:





245796. A vaccine for Rabies was first developed by –





245797. A VDRL reactive mother gave birth to an infant.All of the following would help in determining the risk of transmission to the infant except:





245798. A veterinary doctor had pyrexia of unknown origin.His blood culture in special laboratory media was positive for gram-negative short bacilli which was oxidase positive.Which one of the following is the likely organism grown in culture?





245799. A vitreous aspirate from a case of metastatic endophthalmitis on culture yields Gram-positive round to oval cells,12-14 m in size.The aspirate on Gram staining shows the presence of pseudohyphae.Which of the following is the most likely aetiological agent?





245800. A woman pricked her finger while pruning some rose bushes develops a local pustule that progressed to an ulcer.Several nodules then develops along the local lymphatic drainage. The most likely etiological agent would be –





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