Which of the following microbes are most commonly the causative agent in healthcare-associated infections?

a. Hepatitis B viruses
b. Gram-negative intestinal biota
c. Acid-fast mycobacterium
d. Gram-positive cocci


b. Gram-negative intestinal biota

Biology & Microbiology

You might also like to view...

Gene function is annotated based on homology between the ORFs of a genome and proteins whose function has been proven experimentally. What "-omic" approach could help us determine the function and structure of proteins encoded by uncharacterized

A) metabolomics B) metagenomics C) transcriptomics D) proteomics

Biology & Microbiology

Introduced species become invasive when they

A. compete with native species without expanding their range. B. move from temperate to tropical settings. C. expand their range and outcompete native species. D. lead to a cost for humans. E. fill an empty ecological niche.

Biology & Microbiology

The greatest amount of nutrient absorption takes

place in the a. stomach. b. small intestine. c. colon. d. pancreas. e. esophagus.

Biology & Microbiology

The number of named insect species is

a. unknown. b. greater than the combined total of named vertebrates, mollusks, and plants. c. close to 160,000. d. less than 100,000. e. about 16,000.

Biology & Microbiology