Year 2 respiratory mock
A 12 years old boy came to his physician complaining of sore throat, fever of 39 degrees and malaise, clinical examination revealed multiple white spots on his tonsils
Which of the following would be the most appropriate sample for diagnosis of his case
Nasopharyngeal wash
Nasopharyngeal swab
Throat swab
Sputum sample
Direct microscopic examination of his specimen would most likely reveal
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A 44 years old male who had kidney transplant 2 months ago complains of whitish lesions all over his mouth cavity, he's on immunosuppressive drugs
Causitive organism of his case can be isolated on
Chocolate agar
MacConkey's agar
Sabroud dextrose agar
Blood tellurite
Nutrient agar
Which of the following tests can be done to confirm diagnosis
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A 70 years old hospitalized patients complains of fever, coughing green sputum with foul odor, A spacemen was obtained from him, Microscopic examination revealed gram -ve bacilli , oxidase +ve
Which of the following characterizes causative organism
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A 58 years old man complains of productive cough with yellow sputum streaked with blood, he was diagnosed with pulmonary TB
Direct microscopic examination of the causative organism require:
Gram staining
Staining with giemsa stain
Acid fast staining
Direct smear without staining
This image resembles ziehl neelsen staining, which of the following is correct concerning this method:
It's a cold technique
It can be used with non acid fast bacteria
Bacilli appear red due to carbol fuchsin
Contrast stain in background is gram stain
Most rapid and sensitive method for diagnosis of his condition is
MGIT
Direct microscopic examination
Isolation on Lowenstein Jensen
PCR
A 49-year-old male presented to his physician with fever, chills, cough and chest pain which increased in density when breathing or coughing. On examination, his temperature was 39.5ᵒC and heart rate was 100 beats/min. Chest auscultation revealed crackles and bronchial breath sounds. His chest X-ray shows a left lower lobe opacity with pleural effusion. He was diagnosed with lobar pneumonia, a sputum sample was collected and microscopic examination revealed gram +ve diplococci
Activity of the causative organism on blood agar is
Beta hemolysis
Alpha hemolysis with draughtsman appearance
Gamma hemolysis
Black colonies
What does this slide reveal:
-ve capsular swelling test
Activity of autolysin
+ve capsular swelling test, has no value in typing
+ve capsular swelling test, can be use in typing of the organism
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