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ATI RN · Microbiology · microbiology test bank

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Showing all 5 practice questions with expert explanatory rationales.

Question 1 of 5

What comes after class in the classification system?

A. Kingdom

B. Phylum

C. Domain

D. Order

Expert Explanatory Rationale

Correct Answer: Phylum

Question 2 of 5

For diphtheria exotoxin is true that:

A. Stays at the site of infection

B. Blocks neuro-muscular transmission

C. Is absorbed into the underlying healthy tissues and spreads throughout the body

D. None of the above

Expert Explanatory Rationale

Correct Answer: Is absorbed into the underlying healthy tissues and spreads throughout the body

Question 3 of 5

What role do fimbriae play in bacteria?

A. They provide motility

B. They allow adhesion to surfaces

C. They facilitate protein synthesis

D. They help in endospore formation

Expert Explanatory Rationale

Correct Answer: They allow adhesion to surfaces

Question 4 of 5

Hemagglutinin of influenza viruses:

A. Is part of the viral capsid

B. Is involved in viral replication

C. It serves as attachment molecule to the receptor of the target cell

D. It has no antigenic properties

Expert Explanatory Rationale

Correct Answer: It serves as attachment molecule to the receptor of the target cell

Question 5 of 5

After long-term antibiotic treatment a patient has developed whitish spots on the oral mucosa. Gram- positive oval budding cells were detected in the smear preparations. What causative agents were detected?

A. Candida fungi

B. Staphylococci

C. Sarcinae

D. Actinomycete

Expert Explanatory Rationale

Correct Answer: Candida fungi

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