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: The difference between benign and malignant tumors is
	A: malignant tumors typically cause no problems
	B: benign tumors typically spread to other parts of the body
	C: benign tumors stop growing, malignant ones don't
	D: None of the above

2: Secondary tumors
	A: are tumors that develop spontaneously in other parts of the body
	B: are produced from all benign tumors
	C: are the result of metastasis
	D: None of the above

3: Most malignant tumors
	A: develop soon after exposure to cancer-causing agents
	B: stop growing after a certain period
	C: result from immune system suppression
	D: result from mutations in the DNA of cells

4: Metastais is
	A: the halt of spreading cancer cells
	B: the spread of cancer cells within a region
	C: the chemical interference in cancer cell growth
	D: None of the above

5: Which is statement is true about mutations?
	A: Mutations occur frequently.
	B: Not all mutated genes cause cancer.
	C: Chemical, physical, or biological agents may cause mutation
	D: All of the above

6: Epigenetic carcinogens
	A: may react outside of DNA.
	B: may affect hormones.
	C: may cause chronic tissue damage.
	D: may suppress the immune system.
	E: All of the above

7: The period between exposure to carcinogens and the first tumor formation is called
	A: the dormant period.
	B: the latent period
	C: remission
	D: conversion

8: Oncogenes
	A: regulate hormone levels of cancerous cells.
	B: control blood vessel formation.
	C: are mutated genes that regulate cell growth.
	D: kill tumor suppressor genes.

9: Which is not a cancer treatment?
	A: Surgery
	B: Microsomes
	C: Chemotherapy
	D: Light therapy
	E: All of the above

10: You may reduce your chance of getting cancer by
	A: limiting your x-ray and UV ray exposure.
	B: living and working in a safe environment.
	C: stopping smoking.
	D: eating healthy foods.
	E: All of the above

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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