Which scientist first hypothesized that medical personnel can infect patients with pathogens?
a. Florence Nightingale
b. Joseph Lister
c. John Snow
d. Ignaz Semmelweis

A scientist who studies the role of microorganisms in the environment is a(n) __________ .

a. genetic technologist

b. earth microbiologist

c. epidemiologist

d. environmental microbiologist

The laboratory of Robert Koch contributed which of the following to the field of microbiology?

a. simple staining technique

b. use of Petri dishes

c. first photomicrograph of bacteria

d. all of the above

Fill in the blanks with the name(s) of the scientist(s) whose investigations led to the following fields of study in microbiology.

Environmental microbiology ___________ and _____________            

Fill in the blanks with the name(s) of the scientist(s) whose investigations led to the following fields of study in microbiology.

Biochemistry _________ and __________            

Fill in the blanks with the name(s) of the scientist(s) whose investigations led to the following fields of study in microbiology.

Chemotherapy ____________

Fill in the blanks with the name(s) of the scientist(s) whose investigations led to the following fields of study in microbiology.

Immunology____________

Fill in the blanks with the name(s) of the scientist(s) whose investigations led to the following fields of study in microbiology.

Infection control ____________

Fill in the blanks with the name(s) of the scientist(s) whose investigations led to the following fields of study in microbiology.

Etiology ____________