Daniel D. Chiras: Human Biology, Fifth Edition: Practice Quizzes

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Title Text: Daniel D. Chiras: Human Biology, Fifth Edition

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Point/Counterpoint

Chapter Outlines

Practice Quizzes

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Interactive Glossary

NEW! Crossword Puzzles

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Tools For Learning: Practice Quizzes

Please read each question and select your answer from the choices provided. You must complete all of the questions in order to view your results. At the end of each exam, you have the option to e-mail your results to your instructor.

1: Microbes that cause disease in humans are called
	A: bugs
	B: infections
	C: pathogens
	D: viruses

2: Which statement is true? Contagious microbes
	A: can only be transmitted among the same species.
	B: do not spread easily.
	C: always cause immediate damage to the host.
	D: can easily be spread from one organism to another.

3: _____ are the simplest of all common infectious agents.
	A: Bacteria
	B: Fungi
	C: Helminths
	D: Viruses
	E: None of the above

4: Less than ____ of known bacteria cause disease.
	A: 1%
	B: 2%
	C: 3%
	D: 4%
	E: 5%

5: Because bacteria are prokaryotes,
	A: they lack nuclei.
	B: they reproduce by invading other organisms.
	C: lack internal membrane found in human cells
	D: All of the above

6: Organisms that transmit disease causing microbes to other organisms are called
	A: parasites
	B: vectors
	C: pathogens
	D: infectors
	E: None of the above

7: Bovine spongiform encephalopathy is caused by
	A: bacteria
	B: fungi
	C: viruses
	D: prions
	E: protozoans

8: Pathogenicity refers to the ability of a microbe
	A: to invade a host even if the host's defenses are high.
	B: to enter a host and cause change that results in poor health.
	C: to replicate quickly in a host.
	D: to cause cancer in a host.

9: During the course of a disease, mild symptoms appear in the
	A: incubation period
	B: prodromal phase
	C: acme period
	D: period of decline

10: Which of these diseases is caused by exotoxins?
	A: Chickenpox
	B: Measles
	C: Cholera
	D: Rabies
	E: Smallpox

11: AIDS is an example of a(n)
	A: endemic disease
	B: epidemic
	C: outbreak
	D: pandemic

12: Toxoplasmosis results from contact with a parasite in
	A: contaminated water
	B: contaminated food
	C: contaminated soil
	D: contaminated feces
	E: none of the above

13: Which is NOT a factor of emerging infectious diseases?
	A: poor regulation of known diseases
	B: increased worldwide travel
	C: expanded worldwide animal transport
	D: changes in food handling and processing

Optional: Enter your name and your instructor's E-mail address to have your results E-mailed to him or her.
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