Edition Cowan Test Bank
What is the proper name for the specialized area of biology that deals with living things ordinarily too
small to be seen with the naked eye? - ANSWER:microbiology
An inappropriate immune response that can be harmful to the human host is studied in the field of
immunology. What is the name of this inappropriate immune response? - ANSWER:hypersensitivity
Microorganisms are currently being used to soften denim in "stonewashed" blue jeans. This example of
manipulating microorganisms to make products useful for industrial processes is called -
ANSWER:biotechnology
Microorganisms that carry out photosynthesis include
1.helminthes.
2.viruses.
3.algae.
4.plants. - ANSWER:Algae
Greenhouse gases create an insulation layer in the atmosphere and help retain heat for our planet
Earth. Much of this gas is produced by microorganisms living in the environment and in the digestive
tracts of animals. Identify a greenhouse gas that can be produced by microorganisms.
a) oxygen b) propane (c) sulfur (d)methane - ANSWER:methane
When scientists deliberately alter DNA and exchange or modify the genetic material from one species to
another, they are engaging in:
genetic engineering.
,cloning.
bioremediation.
biotechnology. - ANSWER:genetic engineering
Recently, microorganisms have been used to clean up oil spills in the oceans of the world. This is an
example of - ANSWER:bioremediation
The term "pathogenic" refers to microorganisms that are - ANSWER:harmful
When we look at infectious disease statistics for the Earth as a whole, we find the number one cause of
death to be due to:
diarrheal diseases such as cholera.
parasitic diseases such as worms.
malaria.
heart disease. - ANSWER:Heart disease
During the initial outbreak of SARS, hospital workers became ill due to contact with their patients. This is
an example of
(a)an opportunistic bacteria.
(b)inadequate infection control measures.
(c)improper or inadequate training on infection containment.
(d)both b and c. - ANSWER:(d) both b and c
SARS, monkeypox, and West Nile virus are all examples of
(a)bacterial infections.
(b)EIDs (Emerging Infectious Diseases).
(c)RIDs (Reemerging Infectious Diseases).
, (d)communicable diseases. - ANSWER:EIDS: emerging infectious diseases
Historically, gastric ulcers were thought to be caused by stress. Recent medical discoveries now link
gastric ulcers toCorrect answer:
(a)a bacterial infection.
(b)a viral infection.
(c)diet.
(d)age. - ANSWER:a bacterial infection
Identify the infectious disease from the list of chronic diseases.
(a)heart disease
(b)cancer
(c)stroke
(d)septicemia - ANSWER:Septicemia: the presence of bacteria in the blood resulting from an infection
Parasites
(a)live off dead material.
(b)derive all their required foods directly from the nonliving environment.
(c)require a host.
(d)are nonpathogenic. - ANSWER:require a host
Identify the individual who attempted to disprove spontaneous generation by placing meat in jars with
various coverings with the purpose of attracting flies. - ANSWER:Francesco Redi
Identify the individual who disproved spontaneous generation by using a swan-neck flask to show that
air and dust were the source of microbes. - ANSWER:Louis Pasteur