Which one of the following Gram-negative bacteria is least likely to be the cause of a nosocomial infection?

A) a Klebsiella spp.
B) a Salmonella spp.
C) Escherichia coli
D) Pseudomonas aeruginosa


B) a Salmonella spp.

Biology & Microbiology

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Which of the following drugs is(are) used to treat giardiasis?

A. Flagyl B. Atabrine C. Metronidazole D. All of the choices are correct.

Biology & Microbiology

Oncogenic viruses include all the following except ________.

A. Papillomavirus B. hepatitis B virus C. HTLV-I and HTLV-II viruses D. measles virus E. Epstein-Barr virus

Biology & Microbiology

Addison's disease is a disorder that results from a reduction in production of glucocorticoids and mineralocorticoids. Individuals with Addison's disease suffer from a variety of systemic symptoms including: muscle weakness, fever, issues with the gastrointestinal tract, and increased tanning. Considering this information, what type of signaling do you think that glucocorticoids and mineralocorticoids stimulate?

A. Endocrine B. Synaptic C. Paracrine D. Direct contact E. Autocrine

Biology & Microbiology

Phase ________ trials occur when a drug is tested on several thousand people to determine its effectiveness compared to current drugs on the market

A) I B) II C) III D) IV E) V

Biology & Microbiology