MCQs Bacteriology (41-50): Bacterial Skin Infections

You can find the answer to these multiple choice questions related to bacterial skin infections at the end of this blog post. Write down your answers and cross-check with the answer key provided.  

MCQ Bacteriology 41:  A massive lesion caused by the spread of Staphylococcus aureus infection (often on the neck and upper back) is called:
a. Boil
b. Abscess
c. Furuncle
d.Carbuncle
e. Pustule

MCQ Bacteriology 42: Scalded skin syndrome is caused by exotoxin (exfoliatins) produced by:
a. Streptococcus pyogens
b. Pseudomonas aeruginosa
c. Staphylococcus aureus
d. Propionibacterium acne
e. Demodex folliculorum  

MCQ Bacteriology 43: Which of the following microorganisms causes scarlet fever?
a. Streptococcus pyogens
b. Pseudomonas aeruginosa
c. Staphylococcus aureus
d. Propionibacterium acne
e. Demodex folliculorum

MCQ Bacteriology 44: The pus producing skin infections (pyoderma) can be caused by
a. Staphylococci
b. Streptococci
c. Corynebacteria
d. A combination of staphylococci, streptococci and corynebacteria
e. All of these  

MCQ Bacteriology 45: Which of the following is not the characteristics of impetigo?
a. Common in children
b. Can be caused by Staphylococcus aureus
c. Can be caused by Streptococcus pyogenes
d. Is highly contagious
e. Can be caused by pseudomonads

MCQ Bacteriology 46: Burn patients often develop nosocomial infection caused by:
a. Staphylococcus epidermis
b. Corynebacterium spp.
c. Staphylococcus aureus
d. Candida albicans
e. Pseudomonas aeruginosa

MCQ Bacteriology 47: The bacteria that multiply in blocked skin pores, metabolize sebum, and can lead to the development of acne are:
a. Pseudomonas aeruginosa
b. Propionibacterium spp.
c. Serratia marcescens
d. Streptococcus pyogenes
e. Acne is not caused by bacterial infection  

MCQ Bacteriology 48: Bacterial conjunctivitis (inflammation of the eye conjunctiva) can be caused by:
a. Staphylococcus aureus
b. Streptococcus pneumoniae
c. Neisseria gonorrhoeae
d. Pseudomonas aeruginosa
e. All of the above bacteria can cause conjunctivitis  

MCQ Bacteriology 49: The leading cause of preventable blindness in the world is caused by:
a. Chlamydia trachomatis
b. Haemophilus influenzae
c. Neisseria gonorrhoeae
d Staphylococcus aureus
e. Streptococcus pneumoniae

MCQ Bacteriology 50: Gas gangrene is most likely associated with infection with:
a. Staphylococcus aureus
b. Clostridium perfringenes
c. Streptococcus pneumoniae
d. Neisseria gonorrhoeae
e. Pseudomonas aeruginosaa

Try MCQ Bacteriology (51-60) here

Answer Key

41. c. Furuncle

42.c. Staphylococcus aureus

43.a. Streptococcus pyogens

44.e. All of these

45.e. Can be caused by pseudomonads

46.e. Pseudomonas aeruginosa

47.b. Propionibacterium spp.

48. e. All of the above bacteria can cause conjunctivitis

49.a.Chlamydia trachomatis

50. b. Clostridium perfringenes  

Test your understanding in Bacteriology. Try our dedicated MCQ Quiz section for Bacteriology. 

Acharya Tankeshwar

Hello, thank you for visiting my blog. I am Tankeshwar Acharya. Blogging is my passion. As an asst. professor, I am teaching microbiology and immunology to medical and nursing students at PAHS, Nepal. I have been working as a microbiologist at Patan hospital for more than 10 years.

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