Answer the following questions true (T) or false (F)

1. Using an alcohol pad before taking a blood sample is an example of antisepsis.

2. Protozoan cysts are resistant to many disinfection methods.

3. Refrigeration is an effective germicidal method.


1. TRUE

2. TRUE

3. FALSE

Biology & Microbiology

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MTM, Martin-Lewis (ML), and New York City (NYC) media were all developed for the selective isolation of which organism?

a. M. catarrhalis b. Chlamydia trachomatis c. N. gonorrhoeae d. N. mucosa

Biology & Microbiology

In wetlands, what is the emergent vegetation?

a. freshly germinated shoots from seeds fallen from trees above b. plants that are rooted in the soil but have stems, leaves, and flowers above the water surface c. second growth vegetation after a chaotic clearing event such as a fire or volcano d. vegetation that grows completely underwater

Biology & Microbiology

DNA or protein can be used as a "molecular clock" that tells how long it has been since two species have diverged from a common ancestor.

Answer the following statement true (T) or false (F)

Biology & Microbiology

Aerosols may be involved in ________ transmission of pathogens

A) droplet B) direct C) vector D) fecal-oral E) waterborne

Biology & Microbiology