Question 1

Which of the following terms is most synonymous with "tumor"?

Accepted Answer

A)  cancer 
B)  dysplasia 
C)  neoplasm 
D)  oncogene 
E)  metastasis 
A)  cancer 
B)  dysplasia 
C)  neoplasm 
D)  oncogene 
E)  metastasis C

Question 2

Overgrowth of tissue resulting in an abnormal enlargement is referred to as

Accepted Answer

A)  anaplasia. 
B)  hypoplasia. 
C)  aplasia. 
D)  hypertrophy. 
E)  hyperplasia. 
A)  anaplasia. 
B)  hypoplasia. 
C)  aplasia. 
D)  hypertrophy. 
E)  hyperplasia. E

Question 3

Why is cancer more prevalent in older individuals?

Accepted Answer

A)  Cancer cells form at a faster rate. 
B)  More mutations develop with age. 
C)  The protective action of cytotoxic T cells breaks down with age. 
D)  Cancers learn to disguise themselves as "self" with time. 
E)  Older people tend to be exposed to more dangerous chemicals. 
A)  Cancer cells form at a faster rate. 
B)  More mutations develop with age. 
C)  The protective action of cytotoxic T cells breaks down with age. 
D)  Cancers learn to disguise themselves as "self" with time. 
E)  Older people tend to be exposed to more dangerous chemicals. C

Question 4

Which of the following is NOT a method by which an oncogene can be turned on?

Accepted Answer

A)  mutation 
B)  translocation 
C)  deletion of the proto-oncogene 
D)  viral invasion 
E)  activation of a tumor suppressor gene 
A)  mutation 
B)  translocation 
C)  deletion of the proto-oncogene 
D)  viral invasion 
E)  activation of a tumor suppressor gene

Question 5

Detection of cancer by blood testing depends on the presence of ____ in the blood.

Accepted Answer

A)  malignant cells 
B)  mutant DNA 
C)  tumor markers 
D)  carcinogens 
E)  cytotoxic T cells 
A)  malignant cells 
B)  mutant DNA 
C)  tumor markers 
D)  carcinogens 
E)  cytotoxic T cells

Question 6

A fungus that attacks stored grain and peanuts may cause cancer due to the production of

Accepted Answer

A)  hydrocarbons. 
B)  aflatoxin. 
C)  pokeweed mitogen. 
D)  colchicine. 
E)  hemotoxin. 
A)  hydrocarbons. 
B)  aflatoxin. 
C)  pokeweed mitogen. 
D)  colchicine. 
E)  hemotoxin.

Question 7

Selecting the Exception Four of the five answers listed below are descriptions of cancer cells. Select the exception.

Accepted Answer

A)  abnormally-shaped nucleus 
B)  decline in ability to adhere to substrates 
C)  changes in the plasma membrane 
D)  abnormal growth and division 
E)  cytoplasm shrinks and becomes disorganized 
A)  abnormally-shaped nucleus 
B)  decline in ability to adhere to substrates 
C)  changes in the plasma membrane 
D)  abnormal growth and division 
E)  cytoplasm shrinks and becomes disorganized

Question 8

Cancers of glands or their ducts are called

Accepted Answer

A)  sarcomas. 
B)  leukemias. 
C)  carcinomas. 
D)  lymphomas. 
E)  adenocarcinomas. 
A)  sarcomas. 
B)  leukemias. 
C)  carcinomas. 
D)  lymphomas. 
E)  adenocarcinomas.

Question 9

Which of the following would NOT be a characteristic of a benign tumor?

Accepted Answer

A)  enclosed by a capsule of connective tissue 
B)  well differentiated 
C)  slow growth 
D)  metastatic 
E)  usually not life threatening 
A)  enclosed by a capsule of connective tissue 
B)  well differentiated 
C)  slow growth 
D)  metastatic 
E)  usually not life threatening

Question 10

Heredity plays a major role in what percentage of cancers?

Accepted Answer

A)  50% 
B)  25% 
C)  5% 
D)  10% 
E)  80% 
A)  50% 
B)  25% 
C)  5% 
D)  10% 
E)  80%

Question 11

The carcinogenic chemicals found in greatest concentration in foods are

Accepted Answer

A)  heavy metals. 
B)  alcohols. 
C)  PVCs. 
D)  pesticides. 
E)  PCBs. 
A)  heavy metals. 
B)  alcohols. 
C)  PVCs. 
D)  pesticides. 
E)  PCBs.

Question 12

A warning sign of cancer is

Accepted Answer

A)  a sore that does not heal. 
B)  a thickening or lump. 
C)  an obvious change in a wart or mole. 
D)  unusual bleeding. 
E)  all of these. 
A)  a sore that does not heal. 
B)  a thickening or lump. 
C)  an obvious change in a wart or mole. 
D)  unusual bleeding. 
E)  all of these.

Question 13

Selecting the Exception Four of the five answers listed below are methods of cancer detection. Select the exception.

Accepted Answer

A)  biopsy 
B)  magnetic resonance imaging 
C)  monoclonal antibodies 
D)  interleukins 
E)  screening 
A)  biopsy 
B)  magnetic resonance imaging 
C)  monoclonal antibodies 
D)  interleukins 
E)  screening

Question 14

Cancer cells

Accepted Answer

A)  have altered plasma membranes. 
B)  are unable to attach to other cells. 
C)  divide to produce high densities of cells. 
D)  form pseudopodia enabling them to move about. 
E)  all of these 
A)  have altered plasma membranes. 
B)  are unable to attach to other cells. 
C)  divide to produce high densities of cells. 
D)  form pseudopodia enabling them to move about. 
E)  all of these

Question 15

The transformation of a normal cell into a cancer cell is called

Accepted Answer

A)  oncogenesis. 
B)  cytogenesis. 
C)  parthenogenesis. 
D)  metastasis. 
E)  carcinogenesis. 
A)  oncogenesis. 
B)  cytogenesis. 
C)  parthenogenesis. 
D)  metastasis. 
E)  carcinogenesis.

Question 16

Match between columns
                        Premises: tumor marker
metastasis
biopsy
tumor suppressor gene
oncogene
carcinogen

Accepted Answer

The Answer of DNA segment that can induce cancer in is...

Question 17

Heredity plays a role in

Accepted Answer

A)  familial breast cancer. 
B)  colorectal cancer. 
C)  lung cancer. 
D)  both familial breast cancer and lung cancer. 
E)  familial breast cancer, colorectal cancer and lung cancer. 
A)  familial breast cancer. 
B)  colorectal cancer. 
C)  lung cancer. 
D)  both familial breast cancer and lung cancer. 
E)  familial breast cancer, colorectal cancer and lung cancer.

Question 18

Under the microscope, cancerous tumors

Accepted Answer

A)  display well-differentiated cells. 
B)  have ragged edges. 
C)  appear highly organized. 
D)  are of normal cell size and appearance. 
E)  have very little vascular supply. 
A)  display well-differentiated cells. 
B)  have ragged edges. 
C)  appear highly organized. 
D)  are of normal cell size and appearance. 
E)  have very little vascular supply.

Question 19

Which of the following statements is false?

Accepted Answer

A)  Cancer cells do not respond to crowding. 
B)  Cancer cells continue to divide when they come in contact with neighboring cells. 
C)  In a cancerous tumor, more cells are dividing than are dying. 
D)  Cancer cells do adhere to cells next to them. 
E)  Cancer cells always divide more rapidly than normal cells. 
A)  Cancer cells do not respond to crowding. 
B)  Cancer cells continue to divide when they come in contact with neighboring cells. 
C)  In a cancerous tumor, more cells are dividing than are dying. 
D)  Cancer cells do adhere to cells next to them. 
E)  Cancer cells always divide more rapidly than normal cells.

Question 20

Cancers of the epithelium are called

Accepted Answer

A)  sarcomas. 
B)  leukemias. 
C)  carcinomas. 
D)  lymphomas. 
E)  adenocarcinomas. 
A)  sarcomas. 
B)  leukemias. 
C)  carcinomas. 
D)  lymphomas. 
E)  adenocarcinomas.

Exam 22: Genes and Disease: Cancer

Which of the following terms is most synonymous with "tumor"?

Overgrowth of tissue resulting in an abnormal enlargement is referred to as

Why is cancer more prevalent in older individuals?

Which of the following is NOT a method by which an oncogene can be turned on?

Detection of cancer by blood testing depends on the presence of ____ in the blood.

A fungus that attacks stored grain and peanuts may cause cancer due to the production of

Selecting the Exception Four of the five answers listed below are descriptions of cancer cells. Select the exception.

Cancers of glands or their ducts are called

Which of the following would NOT be a characteristic of a benign tumor?

Heredity plays a major role in what percentage of cancers?

The carcinogenic chemicals found in greatest concentration in foods are

A warning sign of cancer is

Selecting the Exception Four of the five answers listed below are methods of cancer detection. Select the exception.

Cancer cells

The transformation of a normal cell into a cancer cell is called

Heredity plays a role in

Under the microscope, cancerous tumors

Which of the following statements is false?

Cancers of the epithelium are called

Learning About Human Biology

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Tissues, Organs, and Organ Systems

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