Question 1

Which of the following would NOT be considered a significant reason for the emergence of new infectious diseases?

Accepted Answer

A) Environmental changes. 
B) Viral mutation. 
C) Lack of new antimicrobial drugs. 
D) Changes in agricultural practices and expanding land use. 
E) Increased contact of humans with animals. 
A) Environmental changes. 
B) Viral mutation. 
C) Lack of new antimicrobial drugs. 
D) Changes in agricultural practices and expanding land use. 
E) Increased contact of humans with animals.

Question 2

In order to disprove the theory of spontaneous generation,Louis Pasteur

Accepted Answer

A) heated nutrient broth in a stoppered flask to show that microorganisms could not grow. 
B) heated nutrient broth in an open flask. 
C) heated nutrient broth in a swan-necked flask so that microorganisms could not enter. 
D) excluded oxygen from the flask. 
E) filtered the nutrient broth in the flask before heating. 
A) heated nutrient broth in a stoppered flask to show that microorganisms could not grow. 
B) heated nutrient broth in an open flask. 
C) heated nutrient broth in a swan-necked flask so that microorganisms could not enter. 
D) excluded oxygen from the flask. 
E) filtered the nutrient broth in the flask before heating.

Question 3

Which of the following best describes procaryotic cells? They consist of

Accepted Answer

A) a cell wall,a nucleus containing chromosomes,and cytoplasm. 
B) membrane-bound organelles surrounded by a cell wall. 
C) a cell membrane surrounding cytoplasm and DNA. 
D) a cell wall and a selectively permeable cell membrane. 
E) watery cytoplasm containing membranes and ribosomes. 
A) a cell wall,a nucleus containing chromosomes,and cytoplasm. 
B) membrane-bound organelles surrounded by a cell wall. 
C) a cell membrane surrounding cytoplasm and DNA. 
D) a cell wall and a selectively permeable cell membrane. 
E) watery cytoplasm containing membranes and ribosomes.

Question 4

Antibiotic resistance

Accepted Answer

A) has increased with over-use of antibiotics. 
B) only occurs where antibiotics are sold without prescription. 
C) is only a minor problem when vaccines are available. 
D) leads to new species of bacteria arising. 
E) all of the above. 
A) has increased with over-use of antibiotics. 
B) only occurs where antibiotics are sold without prescription. 
C) is only a minor problem when vaccines are available. 
D) leads to new species of bacteria arising. 
E) all of the above.

Question 5

The Australian scientist who played an important role in the development of penicillin as a therapeutic drug was

Accepted Answer

A) Howard Florey. 
B) Alexander Fleming. 
C) Frank Macfarlane Burnet. 
D) Ernst Chain. 
E) Peter Doherty. 
A) Howard Florey. 
B) Alexander Fleming. 
C) Frank Macfarlane Burnet. 
D) Ernst Chain. 
E) Peter Doherty.

Question 6

The reason why diseases such as plague do not kill as many people today as in the 19ᵗʰ century is

Accepted Answer

A) there are now antibiotics which can kill the bacteria responsible for the disease. 
B) the method of transmission is now known so the spread of the disease can be better controlled. 
C) today's standard of hygiene is better. 
D) there are now more vaccines available. 
E) all of the above. 
A) there are now antibiotics which can kill the bacteria responsible for the disease. 
B) the method of transmission is now known so the spread of the disease can be better controlled. 
C) today's standard of hygiene is better. 
D) there are now more vaccines available. 
E) all of the above.

Question 7

Vaccination has resulted in the eradication of which disease from the world?

Accepted Answer

A) Polio. 
B) Mumps. 
C) Whooping cough. 
D) Measles. 
E) Smallpox. 
A) Polio. 
B) Mumps. 
C) Whooping cough. 
D) Measles. 
E) Smallpox.

Question 8

In the name of the bacterium Escherichia coli O157,the 'O157' refers to its

Accepted Answer

A) family. 
B) strain. 
C) species. 
D) genus. 
E) morphology. 
A) family. 
B) strain. 
C) species. 
D) genus. 
E) morphology.

Question 9

A microorganism that has a cell wall,a cell membrane and a singular circular chromosome is a

Accepted Answer

A) bacterium. 
B) fungus. 
C) protozoan. 
D) yeast. 
E) virus. 
A) bacterium. 
B) fungus. 
C) protozoan. 
D) yeast. 
E) virus.

Question 10

The 'germ theory of disease'

Accepted Answer

A) states that only germs cause disease. 
B) states that each infectious disease is caused by a particular microorganism. 
C) applies to viral diseases but not to bacterial infections. 
D) is used to confirm the cause of an infectious disease. 
E) all of the above. 
A) states that only germs cause disease. 
B) states that each infectious disease is caused by a particular microorganism. 
C) applies to viral diseases but not to bacterial infections. 
D) is used to confirm the cause of an infectious disease. 
E) all of the above.

Question 11

The smallest free-living microorganisms are

Accepted Answer

A) viruses. 
B) bacteria. 
C) protozoa. 
D) fungi. 
E) yeasts. 
A) viruses. 
B) bacteria. 
C) protozoa. 
D) fungi. 
E) yeasts.

Question 12

Ignaz Semmelweis demonstrated the importance of

Accepted Answer

A) vaccinating children against childhood diseases. 
B) sterilising surgical equipment. 
C) handwashing by doctors and nurses in hospitals. 
D) disinfecting environmental surfaces with chemicals. 
E) antibiotics for treating infectious diseases. 
A) vaccinating children against childhood diseases. 
B) sterilising surgical equipment. 
C) handwashing by doctors and nurses in hospitals. 
D) disinfecting environmental surfaces with chemicals. 
E) antibiotics for treating infectious diseases.

Question 13

The human immunodeficiency virus

Accepted Answer

A) has been present in the world for over a century. 
B) has been largely controlled throughout the world. 
C) only transmitted amongst men who have sex with men. 
D) is a viral disease that is now mainly spread by insects. 
E) destroys cells that are an integral part of the body's immune system. 
A) has been present in the world for over a century. 
B) has been largely controlled throughout the world. 
C) only transmitted amongst men who have sex with men. 
D) is a viral disease that is now mainly spread by insects. 
E) destroys cells that are an integral part of the body's immune system.

Question 14

Procaryotic cells can be distinguished from eucaryotic cells because only the former

Accepted Answer

A) have a cell wall. 
B) lack subcellular organelles. 
C) are free-living. 
D) reproduce by mitosis. 
E) contain mitochondria. 
A) have a cell wall. 
B) lack subcellular organelles. 
C) are free-living. 
D) reproduce by mitosis. 
E) contain mitochondria.

Question 15

Global warming is not likely to affect the incidence of

Accepted Answer

A) malaria. 
B) dengue fever. 
C) Ross River fever. 
D) tuberculosis. 
E) yellow fever. 
A) malaria. 
B) dengue fever. 
C) Ross River fever. 
D) tuberculosis. 
E) yellow fever.

Question 16

Microbiology is the study of

Accepted Answer

A) microorganisms too small to be seen with the naked eye. 
B) only those organisms that cause disease. 
C) cells which can only be seen under a microscope. 
D) processes by which microorganisms produce food. 
E) only bacteria and viruses. 
A) microorganisms too small to be seen with the naked eye. 
B) only those organisms that cause disease. 
C) cells which can only be seen under a microscope. 
D) processes by which microorganisms produce food. 
E) only bacteria and viruses.

Question 17

Australia is free from some infectious diseases found in other parts of the world because

Accepted Answer

A) Australia has strict quarantine regulations. 
B) the intermediate hosts for some diseases are not present in Australia. 
C) vaccinations are readily available in Australia. 
D) it is geographically isolated. 
E) all of the above. 
A) Australia has strict quarantine regulations. 
B) the intermediate hosts for some diseases are not present in Australia. 
C) vaccinations are readily available in Australia. 
D) it is geographically isolated. 
E) all of the above.

Question 18

Louis Pasteur contributed to our understanding of microorganisms by

Accepted Answer

A) demonstrating that they are present everywhere in the environment. 
B) demonstrating that they can be destroyed by heat. 
C) developing the process now known as pasteurisation. 
D) disproving the concept of spontaneous generation. 
E) all of the above. 
A) demonstrating that they are present everywhere in the environment. 
B) demonstrating that they can be destroyed by heat. 
C) developing the process now known as pasteurisation. 
D) disproving the concept of spontaneous generation. 
E) all of the above.

Question 19

The rapid spread of the SARS virus around the world in 2003 was mostly due to

Accepted Answer

A) resistance of the virus to antibiotics. 
B) continued mutation of the virus during the pandemic. 
C) human international travel. 
D) transmission of the virus by multiple mosquito species. 
E) all of the above played a part. 
A) resistance of the virus to antibiotics. 
B) continued mutation of the virus during the pandemic. 
C) human international travel. 
D) transmission of the virus by multiple mosquito species. 
E) all of the above played a part.

Question 20

Microorganisms are classified in the following order

Accepted Answer

A) Phylum,class,species 
B) Genus,species,strain 
C) Class,strain,species 
D) Genus,class,species 
E) Species,strain,phylum 
A) Phylum,class,species 
B) Genus,species,strain 
C) Class,strain,species 
D) Genus,class,species 
E) Species,strain,phylum

Exam 1: The Invisible World

Which of the following would NOT be considered a significant reason for the emergence of new infectious diseases?

In order to disprove the theory of spontaneous generation,Louis Pasteur

Which of the following best describes procaryotic cells? They consist of

Antibiotic resistance

The Australian scientist who played an important role in the development of penicillin as a therapeutic drug was

The reason why diseases such as plague do not kill as many people today as in the 19ᵗʰ century is

Vaccination has resulted in the eradication of which disease from the world?

In the name of the bacterium Escherichia coli O157,the 'O157' refers to its

A microorganism that has a cell wall,a cell membrane and a singular circular chromosome is a

The 'germ theory of disease'

The smallest free-living microorganisms are

Ignaz Semmelweis demonstrated the importance of

The human immunodeficiency virus

Procaryotic cells can be distinguished from eucaryotic cells because only the former

Global warming is not likely to affect the incidence of

Microbiology is the study of

Australia is free from some infectious diseases found in other parts of the world because

Louis Pasteur contributed to our understanding of microorganisms by

The rapid spread of the SARS virus around the world in 2003 was mostly due to

Microorganisms are classified in the following order

Biological Reactions in Microbial Cells

Bacteria

Genes and Biotechnology

Viruses and Viral Diseases

Eucaryotic Microorganisms: Fungi, protozoa and Multicellular Organisms

Hostmicrobe Interactions and Principles of Disease

Epidemiology: How Diseases Are Spread

The Bodys Defence Systems

Pathogenic Mechanisms and Evasion Strategies of Microorganisms

Principles of Sterilisation and Disinfection

Antimicrobial Therapy

Infection Control in Healthcare Facilities

Issues in Public Health

Microbial Techniques for Diagnosis of Infection

Skin, wound and Eye Infections

Respiratory Tract Infections

Gastrointestinal Tract Infections

Cardiovascular and Multisystem Infections

Infections of the Nervous System

Infections of the Urinary and Reproductive Systems

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