ANSWER ALL QUESTIONS IN THIS SECTION
QUESTION 1
What aberrant change causes the abnormal growth in retinoblastoma? -
ANSWERS-The tumor-suppressor gene is turned off.
QUESTION 2
Two "hits" are required to inactivate tumor-suppressor genes because: -
ANSWERS-Each allele must be altered, and each person has two copies, or alleles,
of each gene, one from each parent.
QUESTION 3
The ras gene converts from a proto-oncogene to an oncogene by: - ANSWERS-
Altering one or more nucleotide base pairs
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QUESTION 4
How do cancer cells use the enzyme telomerase? - ANSWERS-To switch on the
telomerase to enable cells to divide indefinitely
QUESTION 5
What are characteristics of benign tumors? - ANSWERS-Benign tumors include
the suffix -oma.
QUESTION 6
Which terms represent the correct nomenclature for benign and malignant tumors
of adipose tissue, respectively? - ANSWERS-Lipoma, liposarcoma
QUESTION 7
What is the major virus involved in the development of cervical cancer? -
ANSWERS-Human papillomavirus
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QUESTION 8
The Papanicolaou (Pap) test is used to screen for which cancer? - ANSWERS-
Cervical
QUESTION 9
What is the skin-related health risk induced by some types of chemotherapy? -
ANSWERS-Infection
QUESTION 10
Which cancers are all associated with chronic inflammation? - ANSWERS-Colon,
thyroid gland, and urinary bladder
QUESTION 11
Chronic inflammation causes cancer by: - ANSWERS-Releasing compounds such
as reactive oxygen species that promote mutations
QUESTION 12
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