Question 1

What did ancient civilizations know about disease?

Accepted Answer

A) Even though they could not see microbes the Greeks and Romans knew that they caused disease and could be transmitted. 
B) The ancient Mosaic laws in the bible encouraged the burial of waste and the separation of lepers and other diseased individuals. 
C) All ancient civilizations thought that disease struck people that were morally corrupt. 
D) Infectious diseases did not have much impact on the survival of people in ancient civilizations. 
A) Even though they could not see microbes the Greeks and Romans knew that they caused disease and could be transmitted. 
B) The ancient Mosaic laws in the bible encouraged the burial of waste and the separation of lepers and other diseased individuals. 
C) All ancient civilizations thought that disease struck people that were morally corrupt. 
D) Infectious diseases did not have much impact on the survival of people in ancient civilizations. B

Question 2

Who first elucidated the structure of DNA?

Accepted Answer

A) Hershey and Chase 
B) Avery, McCarty and MacLeod 
C) Watson and Crick 
D) Tatum and Beadle 
A) Hershey and Chase 
B) Avery, McCarty and MacLeod 
C) Watson and Crick 
D) Tatum and Beadle C

Question 3

A pure culture refers to a culture:

Accepted Answer

A) containing bacteria that all have the same shape 
B) which has never been used to inoculate a patient 
C) which causes only a single disease 
D) which contains only a single type of organism 
A) containing bacteria that all have the same shape 
B) which has never been used to inoculate a patient 
C) which causes only a single disease 
D) which contains only a single type of organism D

Question 4

The concept of putting microbes to work to clean up the environment is called:

Accepted Answer

A) bioremediation 
B) pasteurization 
C) immunization 
D) fermentation 
A) bioremediation 
B) pasteurization 
C) immunization 
D) fermentation

Question 5

Microorganisms are often referred to as the "invisible emperors" of our world. Why is this? How would you characterize their rule? Are they helpful or demanding emperors? Give one example to support your characterization.

Accepted Answer

Microorganisms are everywhere.They are s

Question 6

The period from 1874 to 1917 is generally referred to as the _______ because __________.

Accepted Answer

A) golden age of seminal discovery; research on viruses was fruitful 
B) age of molecular genetics; important discoveries were made about molecular processes 
C) golden age of microbiology; microbiology was at the forefront of biomedical research in medicine and biology 
D) age of microbial appreciation; many people were excited about viruses 
A) golden age of seminal discovery; research on viruses was fruitful 
B) age of molecular genetics; important discoveries were made about molecular processes 
C) golden age of microbiology; microbiology was at the forefront of biomedical research in medicine and biology 
D) age of microbial appreciation; many people were excited about viruses

Question 7

Bacteriophages have been successfully used in all of the following circumstances,EXCEPT:

Accepted Answer

A) to treat wounds of Soviet Union soldiers 
B) prevent Listeria infections on cut apples and melons 
C) remove E. coli O157:H7 from herds of animals 
D) attack weeds 
A) to treat wounds of Soviet Union soldiers 
B) prevent Listeria infections on cut apples and melons 
C) remove E. coli O157:H7 from herds of animals 
D) attack weeds

Question 8

To design a good experiment,an investigator must consider all variables that might affect the outcome.What is a variable?

Accepted Answer

A) the record of all the observations 
B) everything that a scientist cannot control 
C) an outcome that will result if the hypothesis is true 
D) anything that can change for the purpose of the experiment 
A) the record of all the observations 
B) everything that a scientist cannot control 
C) an outcome that will result if the hypothesis is true 
D) anything that can change for the purpose of the experiment

Question 9

Over 100 microbial genomes have been sequenced.Beyond yielding insight into microbial genetics,these sequencing projects have been important because:

Accepted Answer

A) they allow insights into microbial pathogenicity 
B) knowing how many chromosomes a microbe has lets us know if it causes disease. 
C) without the sequence of the genome we cannot tell what the organism uses as its genetic material. 
D) it demonstrates that microorganisms do not cause infectious diseases. 
A) they allow insights into microbial pathogenicity 
B) knowing how many chromosomes a microbe has lets us know if it causes disease. 
C) without the sequence of the genome we cannot tell what the organism uses as its genetic material. 
D) it demonstrates that microorganisms do not cause infectious diseases.

Question 10

Before Ehrlich began a systematic search for a chemical to kill specific bacteria,the only chemotherapies available were substances derived from medicinal plants.What distinguished Ehrlich's chemotherapy research?

Accepted Answer

A) Ehrlich systematically tested hundreds of compounds for their ability to destroy specific bacteria without damaging surrounding tissue. 
B) Ehrlich used metals, such as antimony and mercury to treat diseases. 
C) Ehrlich inoculated his own son with fluid from a cowpox blíster. 
D) Ehrlich introduced cinchona tree bark, a native American remedy to treat malaria. 
A) Ehrlich systematically tested hundreds of compounds for their ability to destroy specific bacteria without damaging surrounding tissue. 
B) Ehrlich used metals, such as antimony and mercury to treat diseases. 
C) Ehrlich inoculated his own son with fluid from a cowpox blíster. 
D) Ehrlich introduced cinchona tree bark, a native American remedy to treat malaria.

Question 11

Collecting information and tracking the spread of disease is the primary responsibility of what U.S.government agency

Accepted Answer

A) Food and Drug Administration 
B) Centers for Disease Control and Prevention 
C) Department of Health and Human Services 
D) Department of Homeland Security 
A) Food and Drug Administration 
B) Centers for Disease Control and Prevention 
C) Department of Health and Human Services 
D) Department of Homeland Security

Question 12

What is the germ theory of disease? What did people believe caused disease to be transmitted before the germ theory of disease? Describe one experiment that supported the germ theory. Name an important innovation that arouse from the germ theory of disease.

Accepted Answer

The germ theory of disease states that m

Question 13

Microbiology is the study of microorganisms which include all of the following except:

Accepted Answer

A) bacteria 
B) viruses 
C) plants 
D) protozoa 
A) bacteria 
B) viruses 
C) plants 
D) protozoa

Question 14

The English scientist Robert Hooke coined the term cell because the small boxes he saw in the microscope reminded him of a monk's room. What is the cell theory that was later proposed?

Accepted Answer

A) Cells are fundamental units of life. 
B) Replication requires the division of cells into two equal cells. 
C) Hereditary information is passed on in the form of DNA. 
D) All organisms are unicellular, made up of one cell. 
A) Cells are fundamental units of life. 
B) Replication requires the division of cells into two equal cells. 
C) Hereditary information is passed on in the form of DNA. 
D) All organisms are unicellular, made up of one cell.

Question 15

All of the following are true statements about the development of antibiotics,EXCEPT:

Accepted Answer

A) most bacteria that stopped the growth of other bacteria by producing antibiotics were soil bacteria 
B) Fleming noticed that a contaminant mold (Penicillium)prevented the growth of bacteria adjacent to itself 
C) an antibiotic was discovered in the sea after a scientist noted the absence of disease causing organisms in the seawater where the sewage entered 
D) sulfa drugs did not prove to be useful as the body converted them into inactive molecules 
A) most bacteria that stopped the growth of other bacteria by producing antibiotics were soil bacteria 
B) Fleming noticed that a contaminant mold (Penicillium)prevented the growth of bacteria adjacent to itself 
C) an antibiotic was discovered in the sea after a scientist noted the absence of disease causing organisms in the seawater where the sewage entered 
D) sulfa drugs did not prove to be useful as the body converted them into inactive molecules

Question 16

Which of the following statements about microbes is TRUE?

Accepted Answer

A) Prions are proteins without any nucleic acid. 
B) Viroids are single-celled microscopic organisms. 
C) Protozoa are nucleic acids without a protein coat. 
D) Algae depend on the metabolic processes of host cells. 
A) Prions are proteins without any nucleic acid. 
B) Viroids are single-celled microscopic organisms. 
C) Protozoa are nucleic acids without a protein coat. 
D) Algae depend on the metabolic processes of host cells.

Question 17

Microbiologists investigate problems by designing and carrying out experiments. What is true about the scientific method?

Accepted Answer

A) A hypothesis is the definitive explanation to account for the observation and therefore does not need to be tested. 
B) A prediction is the factor that can change but is prevented from changing during the duration of the experiment. 
C) A good hypothesis is one that offers the simplest most reasonable explanation and can be tested. 
D) The goal of an experiment is to prove that scientists are always correct in their predictions. 
A) A hypothesis is the definitive explanation to account for the observation and therefore does not need to be tested. 
B) A prediction is the factor that can change but is prevented from changing during the duration of the experiment. 
C) A good hypothesis is one that offers the simplest most reasonable explanation and can be tested. 
D) The goal of an experiment is to prove that scientists are always correct in their predictions.

Question 18

A substance derived from one microorganism that kills or restricts the growth of other microorganisms is best described as a(n):

Accepted Answer

A) poison 
B) antibody 
C) vaccine 
D) antibiotic 
A) poison 
B) antibody 
C) vaccine 
D) antibiotic

Question 19

Which of the following diseases has been eradicated?

Accepted Answer

A) Chicken pox 
B) Measles 
C) Smallpox 
D) Mumps 
A) Chicken pox 
B) Measles 
C) Smallpox 
D) Mumps

Question 20

Edward Jenner is best known for what contribution to the developing field of microbiology?

Accepted Answer

A) Developing some of the earliest vaccines 
B) Disproving spontaneous generation 
C) Controlling infections in patients 
D) Developing methods of obtaining pure cultures of microorganisms 
A) Developing some of the earliest vaccines 
B) Disproving spontaneous generation 
C) Controlling infections in patients 
D) Developing methods of obtaining pure cultures of microorganisms

Exam 1: Scope and History of Microbiology

What did ancient civilizations know about disease?

Who first elucidated the structure of DNA?

A pure culture refers to a culture:

The concept of putting microbes to work to clean up the environment is called:

Microorganisms are often referred to as the "invisible emperors" of our world. Why is this? How would you characterize their rule? Are they helpful or demanding emperors? Give one example to support your characterization.

The period from 1874 to 1917 is generally referred to as the _______ because __________.

Bacteriophages have been successfully used in all of the following circumstances,EXCEPT:

To design a good experiment,an investigator must consider all variables that might affect the outcome.What is a variable?

Over 100 microbial genomes have been sequenced.Beyond yielding insight into microbial genetics,these sequencing projects have been important because:

Before Ehrlich began a systematic search for a chemical to kill specific bacteria,the only chemotherapies available were substances derived from medicinal plants.What distinguished Ehrlich's chemotherapy research?

Collecting information and tracking the spread of disease is the primary responsibility of what U.S.government agency

What is the germ theory of disease? What did people believe caused disease to be transmitted before the germ theory of disease? Describe one experiment that supported the germ theory. Name an important innovation that arouse from the germ theory of disease.

Microbiology is the study of microorganisms which include all of the following except:

The English scientist Robert Hooke coined the term cell because the small boxes he saw in the microscope reminded him of a monk's room. What is the cell theory that was later proposed?

All of the following are true statements about the development of antibiotics,EXCEPT:

Which of the following statements about microbes is TRUE?

Microbiologists investigate problems by designing and carrying out experiments. What is true about the scientific method?

A substance derived from one microorganism that kills or restricts the growth of other microorganisms is best described as a(n):

Which of the following diseases has been eradicated?

Edward Jenner is best known for what contribution to the developing field of microbiology?

Fundamentals of Chemistry

Microscopy and Staining

Characteristics of Prokaryotic and Eukaryotic Cells

Essential Concepts of Metabolism

Growth and Culturing of Bacteria

Microbial Genetics

Gene Transfer and Genetic Engineering

An Introduction to Taxonomy: the Bacteria

Viruses

Eukaryotic Microorganisms and Parasites

Sterilization and Disinfection

Antimicrobial Therapy

Host-Microbe Relationships and Disease Processes

Epidemiology and Nosocomial Infections

Innate Host Defenses

Immunology I: Basic Principles of Adaptive Immunity and Immunization

Immunology Ii: Immunological Disorders and Tests

Diseases of the Skin and Eyes; Wounds and Bites

Urogenital and Sexually Transmitted Diseases

Diseases of the Respiratory System

Oral and Gastrointestinal Diseases

Cardiovascular, lymphatic and Systemic Disease

Diseases of the Nervous System

Environmental Microbiology

Applied Microbiology

Filters

The period from 1874 to 1917 is generally referred to as the _ because ____.