Quiz: Microbiology

One of the following virulence factors has the main role in the spread of the streptococcal infections:

A Streptokinase B C5a peptidase C M protein D Fibronectin-binding protein

Necrotizing fasciitis caused by:

A Streptococcus Pyogenes B Enterococcus faecalis C E. Coli D B and c

A 23 years old man presents with a painful right ankle, left Knee and left wrist with past history of diarrhea and vomiting since 3 weeks, the most proper diagnosis is:

A Septic arthritis B Reactive arthritis following gastrointestinal tract infections. C Post-streptococcal arthritis D Osteoarthritis

The most common cause of osteomyelitis:

A Staphylococcus aureus B E Coli C Proteus Species D Pseudomonas Species

Necrotizing fasciitis caused by:

A Strept. Pyogene B Enterococcus faecalis C e. Coli D Clostridium perfringens

Cellulitis is a skin diseases caused by:

A Staph aureus B Staph Epidermidis C Candida albicans D both A and B

Prosthetic joint infection caused mainly by

A Staph Aureus B Staph Epidermidis C Pseudomonas aeruginosa D All of the above

Chickenpox is a highly contagious viral disease of children caused by

A HSV type-1 B HSV type-2 C Varicella-Zoster virus D Cytomegalovirus (CMV)

Which of the following Infection is most commonly associated with the varicella virus

A Yellow fever B Gangrene C Tuberculosis D Chickenpox

Lohmann's reaction is catalyzed by:

A CPK B Adenylate kinase C Phosphofructokinase-1 (PFK-1) D Phosphofructokinase-2 (PFK-2)

Candida albicans is a normal flora of:

A Oral cavity B Gastrointestinal tract C Female genital tract D All of the above

Necrotizing fasciitis caused by:

A Strept. Pyogenes B Enterococcus faecalis C E. Coli D Clostridium perfringens

Erysipelas is a type of superficial cellulitis caused by:

A Streptococcus Pyogenes B Staph Epidermidis C Candida albicans D All the above

Prosthetic joint infection caused mainly by:

A Staph Aureus B Staph Epidermidis C Pseudomonas aeruginosa D All the above

Wart is a skin disease caused by

A Rubella virus B Human papilloma virus C CMV D Varicella-Zoster virus

Which of the following are NOT characteristics of herpes virus family:

A Can establish virus latency in the host B Can cause cancer C Can reactivate and cause disease for life D Can cause slow diseas

Candida albicans is a normal flora of:

A Oral cavity B Gastrointestinal tract C Female genital tract D All of the above

Necrotizing fasciitis caused by:

A Strept. Pyogenes B Enterococcus faecalis C E. Coli D Clostridium perfringens

Cellulitis is a skin disease caused by:

A Staph Aureus B Staph Epidermidis C Candida albicans D None of the above

Chickenpox is a highly contagious viral disease of children caused by

A HSV type-1 B HSV type-2 C Varicella-Zoster virus D Cytomegalovirus (CMV)

Chickenpox is a highly contagious viral disease of children caused by:

A HSV type-1 B HSV type-2 C Varicella-Zoster virus D Cytomegalovirus (CMV)

Paronychia is a skin infection caused by

A Candida Albicans B Pseudomonas Aeruginosa C Staph Aureus D Streptococcus Pyogenes E All the above

How does rubella cause foetal abnormalities

A By crossing the placenta early in pregnancy and infecting the foetus B By only infecting the placenta C By inducing cytokines and chemokines in the mother D By raising the temperature of the mother and inducing an abnormal immune reaction to the foetus

ub-acute sclerosing pan-encephalitis (SSPE):

A Occurs in every 25,000 measlesinfections B Has increased in rate since the introduction of MMR vaccine C the risk of developing SSPE is greater if the child has measlesinfection after the age of one yea D May take 20-30 years to develop post measlesinfection

Which of the following is true about MMR vaccine:

A It is a live attenuated vaccine B It should not be given to children with autism C It is better not to give it if a person has a previous history of mumps D It is a killed vaccine

What is the main genetic characteristic of the herpes virus family?

A Large linear DNA genome B Small ss DNA genome C Segmented DNA genome D Circular dsDNA genome

Which of the following are not characteristics of the herpes virus family

A Can establish virus latency in the host B Can cause cancer C Can reactivate and cause disease for life D Can cause slow disease

Paronychia is a skin infection caused by:

A Candida albicans B Pseudomonas aeruginosa C Strept Pyogenes D All of the above

The most common sites for Normal flora

A Axilla B Groin C Areas between the toes D None of the above

Which of the following is true about MMR vaccine:

A It is a live attenuated vaccine B it should not be given to children with autism C It is better not to give it if a person has a previous history of mumps D It is a killed vaccine

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