Deck 13: Cancer in Children

Question 1

Leukemia is the most common malignancy in children.

Answer 1

True

Question 2

Children with acquired immunodeficiency syndrome (AIDS)have an increased risk of developing certain cancers such as Kaposi sarcoma.

Answer 2

True

Question 3

Chronic myelogenous leukemia,retinoblastoma and osteosarcoma are associated with which genetic factors in childhood cancers?

A) Chromosome aberrations or single gene defects
B) Mutation of proto-oncogenes to oncogenes
C) Tumor suppressor genes that have lost their suppressor function
D) Congenital malformations

Answer 3

Chromosome aberrations or single gene defects

Question 4

Childhood exposure to all of the following risk factors increase susceptibility to cancer except:

A) drugs.
B) ionizing radiation.
C) cigarette smoke
D) viruses.

Question 5

Prenatal exposure to diethylstilbestrol can result in:

A) breast cancer.
B) leukemia.
C) vaginal cancer.
D) lymphoma.

Question 6

Embryonic tumors are usually diagnosed after 5 years of age.

Question 7

An example of an embryonic tumor is:

A) osteosarcomA.
B) neuroblastoma.
C) leukemia.
D) adenocarcinoma.

Question 8

Which cancers are more common in black children?

A) Leukemia
B) Retinoblastoma
C) Lymphoma
D) Osteosarcoma

Question 9

Cancer is the leading cause of death in children.

Question 10

There is a carcinogenic relationship between Hodgkin disease and the:

A) herpes simplex virus.
B) human immunodeficiency virus.
C) varicella virus.
D) Epstein-Barr virus.

Question 11

Secondary cancers are a late effect faced by children cured of cancer.

Question 12

Cancers in children are slow growing and usually have not metastasized at time of diagnosis.

Question 13

Most childhood cancers arise from the:

A) epithelium.
B) mesodermal germ layer.
C) embryologic ectodermal layer.
D) viscera.

Question 14

What congenital malformation is commonly linked to acute leukemia in children?

A) Down syndrome
B) Wilms tumor
C) Retinoblastoma
D) Neuroblastoma

Question 15

When are childhood cancers are most often diagnosed?

A) During infancy
B) At peak times of physical growth
C) After early warning signs
D) After an acute illness

Question 16

Mutation of proto-oncogenes into oncogenes stimulates uncontrolled cell growth.

Question 17

Childhood cancer has a longer latency period than cancer in adults.

Question 18

What percentage of children with cancer can be cured?

A) 48%
B) 58%
C) 68%
D) 78%

Question 19

Mutations of proto-oncogenes into oncogenes have been identified with pediatric lymphoma and leukemia.

Question 20

Most childhood cancers originate from the mesodermal germ layer that gives rise to connective tissue,bone,blood,blood vessels,kidney,and lymph.