Florida Atlantic NGR 6141 Module 7: Biology of Cancer and
Tumor Spread Questions With Complete Solutions
A proto-oncogene is best defined as:
A) a normal gene.
B) a frameshift mutation.
C) an inactive gene.
D) a tumor-suppressor gene. Correct Answers A) a normal
gene.
A tumor that has distant lymph node involvement but no
evidence of distant metastasis to other tissues is classified as:
A) Stage I.
B) Stage II.
C) Stage III.
D) Stage IV. Correct Answers C) Stage III.
A tumor that has regional lymph node involvement only is
classified as:
A) Stage I.
B) Stage II.
C) Stage III.
D) Stage IV. Correct Answers B) Stage II.
After cancer cells metastasize into lymphatic vessels, which of
the following events occurs?
A) Cancer cells are killed by immune cells in the lymph nodes.
,B) Cancer cells lodge in the lymph node and proliferate.
C) Cancer cells continue past the lymph nodes to distant organ
sites.
D) All of the above can occur. Correct Answers D) All of the
above can occur.
All of the following dietary substances are known carcinogens
except:
A) fiber.
B) polyunsaturated fats.
C) charbroiled beef.
D) nitrates (nitrosamines). Correct Answers A) fiber.
Alterations in carbohydrate metabolism in people with cancer
causes:
A) hypoglycemia.
B) depressed carbohydrate absorption.
C) weight gain.
D) a diabetes-like syndrome. Correct Answers D) a diabetes-
like syndrome.
Anemia in individuals with cancer can be the result of all of the
following except:
A) decreased erythropoietin.
B) chronic bleeding.
C) fatigue.
D) malignant cells in the bone marrow. Correct Answers C)
fatigue.
, Anticipatory nausea related to cancer treatment is caused by:
A) fear of impending chemotherapy treatment.
B) central nervous system effects of chemotherapeutic drugs.
C) gastrointestinal tract toxicity.
D) constipation and diarrhea. Correct Answers A) fear of
impending chemotherapy treatment.
Apart from diminished physical energy, cancer-related fatigue
can manifest in which of the following ways?
A) Diminished intellectual performance
B) Muscle weakness
C) Mood changes
D) All of the above Correct Answers D) All of the above
As a tumor grows, it exerts mechanical pressure on surrounding
tissues, which results in:
A) cellular swelling.
B) ischemia.
C) metastasis.
D) extravasation. Correct Answers B) ischemia.
Autotoxin release by cancer cells stimulates:
A) cell division.
B) apoptosis of normal cells.
C) motility.
D) release of lysosomal enzymes. Correct Answers C) motility.
Tumor Spread Questions With Complete Solutions
A proto-oncogene is best defined as:
A) a normal gene.
B) a frameshift mutation.
C) an inactive gene.
D) a tumor-suppressor gene. Correct Answers A) a normal
gene.
A tumor that has distant lymph node involvement but no
evidence of distant metastasis to other tissues is classified as:
A) Stage I.
B) Stage II.
C) Stage III.
D) Stage IV. Correct Answers C) Stage III.
A tumor that has regional lymph node involvement only is
classified as:
A) Stage I.
B) Stage II.
C) Stage III.
D) Stage IV. Correct Answers B) Stage II.
After cancer cells metastasize into lymphatic vessels, which of
the following events occurs?
A) Cancer cells are killed by immune cells in the lymph nodes.
,B) Cancer cells lodge in the lymph node and proliferate.
C) Cancer cells continue past the lymph nodes to distant organ
sites.
D) All of the above can occur. Correct Answers D) All of the
above can occur.
All of the following dietary substances are known carcinogens
except:
A) fiber.
B) polyunsaturated fats.
C) charbroiled beef.
D) nitrates (nitrosamines). Correct Answers A) fiber.
Alterations in carbohydrate metabolism in people with cancer
causes:
A) hypoglycemia.
B) depressed carbohydrate absorption.
C) weight gain.
D) a diabetes-like syndrome. Correct Answers D) a diabetes-
like syndrome.
Anemia in individuals with cancer can be the result of all of the
following except:
A) decreased erythropoietin.
B) chronic bleeding.
C) fatigue.
D) malignant cells in the bone marrow. Correct Answers C)
fatigue.
, Anticipatory nausea related to cancer treatment is caused by:
A) fear of impending chemotherapy treatment.
B) central nervous system effects of chemotherapeutic drugs.
C) gastrointestinal tract toxicity.
D) constipation and diarrhea. Correct Answers A) fear of
impending chemotherapy treatment.
Apart from diminished physical energy, cancer-related fatigue
can manifest in which of the following ways?
A) Diminished intellectual performance
B) Muscle weakness
C) Mood changes
D) All of the above Correct Answers D) All of the above
As a tumor grows, it exerts mechanical pressure on surrounding
tissues, which results in:
A) cellular swelling.
B) ischemia.
C) metastasis.
D) extravasation. Correct Answers B) ischemia.
Autotoxin release by cancer cells stimulates:
A) cell division.
B) apoptosis of normal cells.
C) motility.
D) release of lysosomal enzymes. Correct Answers C) motility.