True regarding salmonella gastroenteritis include
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Mainly diagnosed by serology
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Blood and mucous are present in stools
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Caused via animal products
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Symptoms appear between 8 − 48 hours
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The features are mainly due to exotoxin released
True regarding E-Coli is/are
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The LT labile toxin in ETEC acts via cAMP
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In those types causing urinary infections the organism attaches by pili antigen
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The ST stable toxin of ETEC is responsible for causation of HUS
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The EIEC invasiveness is under plasmid control
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In EPEC the toxin helps in invasion of the organism
The sputum examination under district TB control programme is done when the patient presents with which of the following
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Cough for 1 − 2 weeks
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Cough for 3 − 4 weeks
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Heamoptysis
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Chest pain
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Intermittent fever
In cryptoccocal infection the organism can be readily demonstrated by
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Albert's stain
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India ink stain
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Giemsa stain
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Grams stain
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Zeil Niehlson stain
Regarding HSV 2 infection which of the following are correct
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Primary infection is usually wide spread
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Recurrent attacks occur due to latent infection
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Encephalitis is commonly caused by it
-
Newborn acquires the infection via the birth canal or at the time of labor
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Treatment is by acyclovir
IgE is secreted by
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Mast cells
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Eosinophils
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Basophils
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Plasma cells
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Neutrophils
The T helper cell subtype attach to which of the following sites
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MHC I cells
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MHC II cells
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Processed peptide
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CD8
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Delta region
Apart from B cells, T cells there is a distinct third type of lymphocytes. They are
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MHC cells
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NK cells
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Macrophages
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Neutrophils
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Eosinophils
All of the following are antigen presenting cells except
-
T cells
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B cells
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Fibroblasts
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Dendritic cells
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Langerhans cells
All of the following are true regarding H pylori except
-
Gram negative bacilli
-
Strongly associated with Duodenal ulcer
-
Associated with lymphoma
-
C14 urea breath test is used in the diagnosis
-
It should be eradicated in all cases when ever detected