MICROBIOLOGY
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Question 1 of 2
1. Question
1 pointsCommonest cause of Bronchiolitis is
(A) Respiratory syncitial virus
(B) Adenovirus
(C) Influenza
(D) Herpes virusCorrect
A (Respiratory syncytial virus):
Respiratory syncytial virus (RSV) – “Chimpanzee Coryza agent” (CCA)
Most important cause of lower RTI in infants, particularly in the first few months of life.
LRTI-Tracheobronchitis, bronchiolitis and pneumonia
Administration of ribovirin by continuous aerosol has been found beneficial in hospitalized patients, decreasing the duration of illness and of virus shedding.Incorrect
A (Respiratory syncytial virus):
Respiratory syncytial virus (RSV) – “Chimpanzee Coryza agent” (CCA)
Most important cause of lower RTI in infants, particularly in the first few months of life.
LRTI-Tracheobronchitis, bronchiolitis and pneumonia
Administration of ribovirin by continuous aerosol has been found beneficial in hospitalized patients, decreasing the duration of illness and of virus shedding. -
Question 2 of 2
2. Question
1 pointsRapid easy diagnosis of cryptococcal neoformans is done through
Correct
D (Latex-agglutination):
Diagnosis of cryptococcosis
Most common cause of fungal meningitis.
Predisposing factors: Hodgkin’s disease, corticosteroid therapy, HIV infections.Symptoms of headache, abnormal mental status, meningismus seen occasionally, through rarely in HIV infected patients.
Demonstration of capsular polysaccharide antigen in CSF diagnostic, 95% of HIV -infected patients also have a positive serum antigen
Latex-agglutination test is most useful in detection of cryptococcal polysaccharide antigen in CSF, blood or . urine (635-C)
Incorrect
D (Latex-agglutination):
Diagnosis of cryptococcosis
Most common cause of fungal meningitis.
Predisposing factors: Hodgkin’s disease, corticosteroid therapy, HIV infections.Symptoms of headache, abnormal mental status, meningismus seen occasionally, through rarely in HIV infected patients.
Demonstration of capsular polysaccharide antigen in CSF diagnostic, 95% of HIV -infected patients also have a positive serum antigen
Latex-agglutination test is most useful in detection of cryptococcal polysaccharide antigen in CSF, blood or . urine (635-C)
