Medical MCQ - A 50-year-old male presented with fever and chills along with chest pain during cough. His sputum specimen was cultured on blood agar, showed the presence of a-hemolytic colonies the next day. The fuher processing of this organism is most likely to yield

A 50-year-old male presented with fever and chills along with chest pain during cough. His sputum specimen was cultured on blood agar, showed the presence of a-hemolytic colonies the next day. The fuher processing of this organism is most likely to yield

Gram- negative coccobacilli, catalase positive and oxidase positive

Gram- positive cocci in clusters, catalase positive and coagulase positive

Gram- positive cocci in pairs, catalase negative and bile soluble

Gram- positive cocci in sho chains, catalase negative and bile resistant

Question Category:

Correct Answer:

Gram- positive cocci in pairs, catalase negative and bile soluble

Description:

Growth of alpha-hemolytic colonies, which are isolated from the sputum of a patient, is suggestive of pneumococcal pneumonia. Pneumococci are gram-positive cocci in pairs, catalase negative, and bile soluble Reference: Ananthanarayan and Paniker&;s Textbook of Microbiology Tenth edition

Get More

Subject Mock Tests

Practice with over 200,000 questions from various medical subjects and improve your knowledge.

Attempt a mock test now

Mock Exam

Take an exam with 100 random questions selected from all subjects to test your knowledge.

Get More

Subject Mock Tests

Try practicing mock tests with over 200,000 questions from various medical subjects.

Attempt a mock test now

Mock Exam

Attempt an exam of 100 questions randomly chosen from all subjects.