Pathogens And Diseases 2 Question Preview (ID: 41414)
Microbiology.
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Diseases that can be transmitted between organisms are:
a) inherited
b) infectious
c) noninfectious
d) environmental
The bacteria that causes bubonic plague is transmitted to human by fleas. Which term BEST describes the role of the fleas in transmitting bubonic plague?
a) vector
b) decomposer
c) pathogen
d) air
Which BEST compares bacteria and viruses?
a) bacteria are smaller than viruses
b) bacteria cause disease, but viruses do not
c) bacteria are living organisms, but viruses are not
d) bacteria have genetic material, but viruses do not
Why do doctors suggest that people get a flu vaccine each year?
a) viruses replicate more rapidly over time
b) viruses can mutate from year to year
c) vaccines are absorbed by the body after a year
d) vaccines get stronger over time
How can the rate of an infectious disease be drastically reduced?
a) by taking medication daily
b) by wearing clean clothing daily
c) by preventing transmission between people
d) by performing dental hygiene three times a day
Why are viruses considered to be nonliving organism?
a) they do not have genetic information
b) they do not interact with their environment
c) they are no able to reproduce without a host cell
d) they are not able to move on their own
What makes it possible for a person who has recovered from a cold to catch another cold?
a) a cold is a viral infection with many different strains
b) a cold is a bacterial infection that remains active in the body
c) a cold is a bacterial infection present only during the winter months
d) a cold is a viral infection that remains active until treated with antibiotics
The first know cases of AIDS were in Africa in the late 1950's. Since then, tens of millions of people have died from the disease, and tens of millions more people all over the world are infected. Which term best describes the disease AIDS?
a) isolated cases
b) pandemic
c) epidemic
d) outbreak
A city has an outbreak of a disease that affect an unusually large portion of it's population at the same time. Which term best describes the outbreak?
a) epidemic
b) pandemic
c) infection
d) plague
What is most likely the greatest economic benefit for North Carolina from biotechnology?
a) improvements in DNA testing leading to more arrests
b) increased disease-resistant crops and greater crop yields
c) fewer people who use laboratory-created human insulin
d)
Which project is most likely to be worked on by a biotechnician?
a) developing architectural designs for houses in floodplains
b) discovering different isotopes of existing elements in the periodic table
c) designing lightweight, strong metallic alloys for use in car manufacturing
d) developing plants with resistance to high temperatures
Which of these careers would a student studying biotechnology most likely pursue?
a) electrical engineering
b) astronomy
c) agricultural research
d) geology
Which describes a way scientists use biotechnology in the field of agriculture?
a) Bacteria is used to clean up oil spills.
b) Criminals are linked to cases by their DNA.
c) Food crops are manipulated to be more nutritious.
d) Vaccines for infectious diseases are created.
Which would most likely increase the amount of money made from agriculture in North Carolina?
a) Tomatoes that are resistant to disease.
b) Tomatoes that are more expensive.
c) Tomatoes that taste the same.
d) Nothing
Which is an application of genetic engineering?
a) destroying all bacteria
b) using bacteria to produce insulin
c) producing cells from nonliving material
d) preventing weeds from spreading to farmland
How does knowledge about human genetics best help doctors?
a) Doctors can give patients new genes to improve the health of their children.
b) Doctors can remove damaged genes from a patient’s body.
c) Doctors can predict whether patients are at risk of developing a genetic disease.
d) Doctors can change patients’ genes to make them resistant to disease.
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