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ATI RN · Microbiology · free microbiology test bank questions pdf

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Showing all 5 practice questions with expert explanatory rationales.

Question 1 of 5

Which of the antibiotics listed below are not suitable for treatment of listeriosis?

A. Penicillin and ampicillin

B. Macrolids

C. Cephalosporins

D. None of them

Expert Explanatory Rationale

Correct Answer: Macrolids

Question 2 of 5

A lot of pyoinflammatory processes in oral cavity are caused by anaerobes. What nutrient medium can be used for control of wound textile contamination by anaerobes?

A. Kitt-Tarozzi

B. Endo

C. Roux

D. Sabouraud's

Expert Explanatory Rationale

Correct Answer: Kitt-Tarozzi

Question 3 of 5

Which of the following bacteria is known for producing a biofilm on medical devices?

A. Clostridium tetani

B. Pseudomonas aeruginosa

C. Salmonella enterica

D. Staphylococcus aureus

Expert Explanatory Rationale

Correct Answer: Pseudomonas aeruginosa

Question 4 of 5

Microscopic examination of dental plaque revealed unicellular organisms with two layers in their cytoplasm and wide pseudopodia. What is the likely causative agent?

A. Entamoeba gingivalis

B. Entamoeba histolytica

C. Trichomonas tenax

D. Lamblia intestinalis

Expert Explanatory Rationale

Correct Answer: Entamoeba gingivalis

Question 5 of 5

Infectious agents of various ultrastructures can be etiological agents of infectious diseases. Which of the groups named below HAS NO cellular structure, protein synthesizing, enzyme and energy systems?

A. Viruses

B. Fungi

C. Bacteria

D. Protozoa

Expert Explanatory Rationale

Correct Answer: Viruses

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