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ATI RN · Microbiology · microbiology chapter 13 test bank

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Showing all 5 practice questions with expert explanatory rationales.

Question 1 of 5

The correct descending order of taxonomic categories is

A. species, domain, phylum, kingdom, order, division, class, genus

B. domain, kingdom, phylum, class, family, order, genus, species

C. domain, kingdom, phylum, class, order, family, genus, species

D. kingdom, domain, phylum, order, class, family, genus, species

Correct Answer: domain, kingdom, phylum, class, order, family, genus, species

Question 2 of 5

Which bacterium is known for producing an exotoxin that causes severe diarrhea?

A. Clostridium tetani

B. Clostridium botulinum

C. Vibrio cholerae

D. Shigella dysenteriae

Correct Answer: Vibrio cholerae

Question 3 of 5

All of the following viruses are enveloped EXCEPT:

A. Hepatitis C virus

B. Hepatitis B virus

C. Hepatitis A virus

D. Hepatitis D virus

Correct Answer: Hepatitis A virus

Question 4 of 5

A fecal sample from a patient with diarrhea revealed cysts with four nuclei. What is the most likely causative agent?

A. Entamoeba histolytica

B. Giardia lamblia

C. Trichomonas vaginalis

D. Balantidium coli

Correct Answer: Entamoeba histolytica

Question 5 of 5

Cells that contain a nucleus are __________ cells.

A. prokaryotic

B. eukaryotic

C. anucleate

D. haploid

Correct Answer: eukaryotic

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