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Post-Test
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1
Identify the characteristics that are typical of cancer cells?
A)cancer cells lack contact inhibition
B)cancer cells induce angiogenesis
C)cancer cells lack differentiation
D)All of these are correct.
2
What is the function of telomerase?
A)rebuild telomere sequences
B)destroy telomere sequences
C)connect different telomere sequences
D)separate different telomere sequences
3
A _______ is an environmental agent that can contribute to the development of cancer.
A)mutagen
B)fibrinogen
C)carcinogen
D)factor
4
______ is an X-ray study of the breast that is used to detect tumors that are too small to be felt.
A)Spirometry
B)Mammography
C)Tomography
D)Myringotomy
5
_______ involves genetically engineered antigen-presenting cells that give tumor antigens to cytotoxic T-cells that kill the tumor cells.
A)Immunotherapy
B)Chemotherapy
C)Angiogenic therapy
D)Biopsy
6
A normal cells typically divides 60 to 70 times before it dies while cancer cells:
A)divide an unlimited number of times
B)divide twice that amount
C)may divide 60-70 times
D)are unable to divide
7
When cancer cells undergo metastasis
A)tumors release growth factors.
B)tumors increase in size.
C)tumors have nondifferentiated cells.
D)cancer spreads throughout the body.
8
Which of the following proteins acts as a transcription factor involved in turning on the expression of genes whose products are cell cycle inhibitors?
A)p14
B)p53
C)p76
D)p22
9
Which of the following is not considered part of the process by which cancer cells gradually become abnormal?
A)Initiation
B)Promotion
C)Transcription
D)Progression
10
Oncogenes frequently involved in human cancers belong to the ______ gene family.
A)GPA
B)HIV
C)AIDS
D)ras
11
Which cancer classification is not correctly matched with its general description?
A)leukemias - cancers of the blood
B)carcinomas - cancer of epithelial tissue
C)lymphomas - cancers of lymphatic tissue
D)sarcomas - cancers of nervous tissue
12
A/an ________ tumor is usually encapsulated and noninvasive.
A)benign tumor
B)malignant tumor
C)neoplasm
D)proteolytic
13
What percent of all cancers are considered to be related to the usage of tobacco products?
A)20
B)50
C)80
D)90
14
The ________ predisposes an individual to thyroid cancer.
A)HOM
B)HOX
C)RB
D)RET
15
___ is a type of skin cancer which tends to metastasize and can be fatal.
A)Basal cell carcinoma
B)Lymphoma
C)Sarcoma
D)Melanoma
16
Choose the following that is not associated with the American Cancer Society's caution warning signals.
A)thickening or lump in breast
B)indigestion or difficulty swallowing
C)obvious change in wart or mole
D)All of the choices are associated.
17
The PSA test is used to detect _____________.
A)colon cancer
B)liver cancer
C)prostate cancer
D)breast cancer
18
Which of the following is a correct sign of possible malignant melanoma?
A)uniform color of a mole
B)irregular border of a mole
C)symmetrical appearance of a mole
D)a mole with a diameter of 2 mm
19
Most chemotherapeutic drugs kill cells by damaging _______.
A)DNA
B)the plasma membrane
C)nearby blood vessels
D)mitochondria
20
Which of the following has been proposed as future cancer therapy?
A)monoclonal antibodies
B)p53 gene therapy/induced tumor apoptosis
C)angiogenesis inhibition
D)All of the choices are correct.





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