Question

Match the following: Corynebacterium diphtheriae's virulence requires this A Neurotoxin Major virulence factor of strep. pneumoniae The major virulence factor of group A strep, in recent fatal cases V Clostridium tetani's main virulent factor is this B Erythrogenic tosin C Hyaluronidase D. Lysogenic conversion E. Capsule Spreading factor in staph. aureus cellulitis infections

Answer 1

Answer for question no 1 :

Corynebacterium diphtheriae' s virulence requires this - D. Lysogenic conversion.

Major virulence factor of Strep. pneumoniae - E. Capsule

The major virulence factor of group A Strep. in recent fatal cases - B. Erythrogenic toxin

Clostridium tetani 's main virulent factor is this - A. Neurotoxin.

Spreading factor in Staph. aureus cellulites infection - C. Hyaluronidase

Answer for question no 2 :

Gram positive cocci which causes pharyngitis - E. Streptococcus pyogenes

Patient must be treated with antitoxin plus an antibiotic for this disease -C. Corynebacterium diphtheriae

Gram negative rod which causes community acquired pneumonia - B. Haemophilus influenzae

Encapsulated organism causing Otitis media which may be resistant to Penicillin - gram positive diplococci - D. Streptococcus pneumoniae

Acid fast rod which causes Pulmonary disease - A. Mycobacterium tuberculosis

Answer for question no 3 :

Anaerobic, gram negative rod associated with gum disease -A. Bacteroides sp.

Gram positive diplococci, common cause of Otitis media infections - D. Streptococcus pneumoniae

Most common cause of endocarditis secondary to dental procedures such as tooth extraction in patients with heart valve disease - G+C - C. Viridans Streptococci

Never found as part of the oral flora, always associated with disease-no cell wall - E. Mycoplasma pneumoniae

Gram positive, anaerobic rod major cause of severe mandibular abscess - B. Actinomyces sp.