All Subjects Medicine Surgery Pathology Anatomy Pharmacology Social & Preventive Medicine Microbiology Gynaecology & Obstetrics Dental Physiology Biochemistry Pediatrics
Showing 11499 questions
Sort:
767 Microbiology

Complement is a series of impoant host proteins which provide protection from invasion by foreign microorganisms. Which one of the following statements best describes complement?

AComplement inhibits phagocytosis
BMicroorganisms agglutinate in the presence of complement but do not lyse
CComplement plays a minor role in the inflammatory response
DComplement protects the host from pneumococcal and Haemophilus infection through complement components C1, C2, and C4
Microbiology
View Explanation →
774 Microbiology

A 60-year old man is diagnosed to be suffering from Legionnaires’ disease after the returns home from attending a convention. He could have acquired it –

AFrom a person suffering from the infection while travelling in the aeroplane
BFrom a chronic carrier in the convention center
CFrom inhalation of the aerosol in the air conditioned room at convention center
DBy sharing an infected towel with a fellow delegate at the convention
Microbiology
View Explanation →