1. Introduction to Microbiology

Which of these is considered a microbe but NOT a microorganism?

Which of these are characteristics of microorganisms?

Antonie van Leeuwenhoek observed microorganisms under his microscope and called them 'animalicules' (little animals). Which microorganisms did he observe?

Robert Hook's and Antonie van Leeuwenhoek's microscopes were not powerful enough to observe:

Which of the following is the most important element of Koch’s germ theory of disease? The animal shows disease symptoms when

a. the animal has been in contact with a sick animal.

b. the animal has a lowered resistance.

c. a microorganism is observed in the animal.

d. a microorganism is inoculated into the animal.

e. microorganisms can be cultured from the animal.

Match the people in column A to their contribution toward the advancement of microbiology, in column B.

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Recombinant DNA is

a. DNA in bacteria.

b. the study of how genes work.

c. the DNA resulting when genes of two different organisms are mixed.

d. the use of bacteria in the production of foods.

e. the production of proteins by genes.

Which of the following is a beneficial activity of microorganisms?

a. Some microorganisms are used as food for humans.

b. Some microorganisms use carbon dioxide.

c. Some microorganisms provide nitrogen for plant growth.

d. Some microorganisms are used in sewage treatment processes.

e. all of the above

It has been said that bacteria are essential for the existence of life on Earth. Which of the following is the essential function performed by bacteria?

a. control insect populations

b. directly provide food for humans

c. decompose organic material and recycle elements

d. cause disease

e. produce human hormones such as insulin

A Salmonella species is grown for 8 hours. In this time, each cell divides about four times. What is the generation time?

If a bacterium that normally lives in the gastrointestinal tract is plunged into a salty solution, what would occur?

a. halophilic adjustment

b. osmotic concentration

c. lysis

d. plasmolysis

e. nothing

After performing the streak plate method, what feature(s) would you look for on the agar plate to determine if you have a pure culture?

Match the following people to their scientific/medical contribution:

Note: Choices may be used more than once or not at all.

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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 __________            

Which scientist first hypothesized that medical personnel can infect patients with pathogens?

a. Florence Nightingale

b. Joseph Lister

c. John Snow

d. Ignaz Semmelweis

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 ____________

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

Epidemiology ____________

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

Biotechnology ____________

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

Food microbiology ____________

List six types of microorganisms.

Why would a macroscopic tapeworm be studied in microbiology?

List four major questions that drive microbiological investigations today.

Match each of the following descriptions with the person it best describes more than once or not at all. An answer may be used more than once.

1. Developed smallpox immunization

2. First photomicrograph of bacteria

3. Used mathematical data to improve nursing

4. Germs cause disease

5. Sought a “magic bullet” to destroy pathogens

6. Early epidemiologist

7. Father of Microbiology

8. Classification system

9. Discoverer of bacteria

10. Discoverer of protozoa

11. Founder of antiseptic surgery

12. Developed the most widely used bacterial staining technique

A. John Snow

B. Paul Ehrlich

C. Louis Pasteur

D. Antoni van Leeuwenhoek

E. Carolus Linnaeus

F. John Needham

G. Eduard Buchner

H. Robert Koch

I. Joseph Lister

J. Edward Jenner

K. Girolamo Fracastoro

L. Hans Christian Gram

M. Florence Nightingale

The study of protozoa is called ____________.

The study of fungi is called ___________.

The study of algae is called ___________.

Fungal diseases are called ____________.

Parasitology is the study of parasitic __________ .

a. a.viruses

b. prokaryotes

c. fungi

d. eukaryotes

An axenic environment is one that __________ .

a. exists in the human mouth

b. contains only one species

c. exists in the human colon

d. both a and c

The study of the cause of a disease is __________ .

The study of where and when diseases occur and how they are transmitted within populations is ___________ .