Quiz

Which of the following contribute to the metastatic spread of cancer cells?

A.

Cytoskeletal changes and cell adhesion/motility

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B.

Increased enzyme production

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C.

Loss of contact inhibition

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D.

Pseudopod formation

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E.

All of the above are correct.

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Cancer cells ______.

A.

Are not stimulated to enter into the "cell cycle" and thus never reproduce

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B.

Age faster than normal cells, causing premature cell death

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C.

Have acquired a specific set of capabilities and characteristics due to genetic changes

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D.

Stop dividing when they come in contact with normal cells

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E.

Differentiate rapidly, limiting their potential for cell division and resulting in different cancer forms

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Cancer cells are said to "break all the rules" because they _____.

A.

Kill the organism in which they live

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B.

Grow MUCH larger than normal cells, creating tumors

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C.

Do not go through mitosis

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D.

Divide without appropriate external signals

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E.

Burst, releasing toxins that are poisonous to other cells

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Which of the following is true of normal adult cells but NOT cancer cells?

A.

Division in the presence of external growth signals

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B.

Contact with other cells increases likelihood of division

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C.

Large amount of telomerase present

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D.

Cell death after a finite number of cell divisions

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E.

Division in the presence of "stop" signals.

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Normal cells typically can only divide a limited number of times before programmed cell death occurs. However, cancer cells do not have the ability to initiate death via _________ and may divide indefinitely.

A.

Mitotic catastrophe

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B.

Spindle chaos

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C.

Apoptosis

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D.

Evasion

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E.

Suicide

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What is Cancer? Quiz