Neoplasia Test Bank Flashcards
A collection of undifferentiated cells discovered in a biopsy is likely indicative of what
condition?
a. Normal tissue
b. A benign tumor
c. A malignant tumor
d. Lymphosis
c. A malignant tumor
In which area of the body do teratomas arise?
a. In the germ cells of the ovary
b. Brain cells
c. Thyroid cells
d. The endocrine cells of the pancreas
a. In the germ cells of the ovary
A patient recently diagnosed with a malignant tumor visits his health care provider to discuss
the TNM staging. What will this tell him?
a. The precise location of the tumor
b. The type of chemotherapeutic agent necessary for treatment
c. The amount of differentiation that has taken place
d. The size of the tumor, lymph node involvement, and any metastasis that has
occurred
d. The size of the tumor, lymph node involvement, and any metastasis that has
occurred
A test that is positive for alpha-fetoprotein indicates a tumor arising in which organ?
a. The brain
b. The lungs
c. The liver
d. The uterus
c. The liver
Many tumors secrete their own growth factors. What type of stimulation does this represent?
a. Autocrine
b. Heterocrine
c. Paracrine
d. Endocrine
a. Autocrine
The cancer of chimney sweeps identified in eighteenth century England was related to what
type of chemical?
a. Polycyclic hydrocarbons
b. Aflatoxin B1
c. Azo-dyes
d. Naphthylamine
a. Polycyclic hydrocarbons
Workers employed in the chemical industry and exposed to high levels of aniline dyes are at increased risk of developing what type of cancer?
a. Brain
b. Lung
c. Stomach
d. Urinary bladder
d. Urinary bladder
A vintner, or someone involved in the making of wine, might be at risk for skin cancer if
he/she is exposed to which chemical?
a. Arsenic
b. Asbestos
c. Air pollutants
d. Aniline dye
a. Arsenic
. Which of the following physical carcinogens is the cause of most skin cancers in humans?
a. Ultraviolet light
b. Infrared light
c. X-rays
d. Radon
a. Ultraviolet light
Human papillomavirus (HPV) has been implicated in the pathogenesis of carcinoma of which
organ?
a. The oral cavity
b. The cervix
c. The body of the uterus
d. The liver
b. The cervix
What type of gene is the retinoblastoma (Rb-1) gene?
a. A viral oncogene
b. A tumor protein gene
c. A genetic amplification
d. A tumor suppressor gene
d. A tumor suppressor gene
Which of the following conditions is characterized by a defect of a DNA repair enzyme?
a. Neurofibromatosis
b. Hereditary polyposis coli
c. Xeroderma pigmentosum
d. Wilms’ tumor
c. Xeroderma pigmentosum
Which country has the highest incidence of gastric cancer?
a. England
b. Japan
c. Israel
d. France
b. Japan
The incidence of which cancer has been rising in the United States during the past 20 years?
a. Carcinoma of the lung
b. Carcinoma of the liver
c. Carcinoma of the stomach
d. Carcinoma of the thyroid
a. Carcinoma of the lung
Who is responsible for the study of neoplasia and the environmental causes of tumors in the
human populations?
a. Clinical oncologists
b. Experimental oncologists
c. Cancer oncologists
d. Cancer epidemiologists
d. Cancer epidemiologists
