ATI RN
Genetic Disorders in Pediatrics Questions
Question 1 of 5
is a type of cancer-causing gene that promotes cancer by activating cell division at an inappropriate time or place:
Correct Answer: C
Rationale: Oncogenes are mutated proto-oncogenes that drive uncontrolled cell division.
Question 2 of 5
Growth of new blood vessels in and around tumors is called:
Correct Answer: B
Rationale: Angiogenesis is the formation of new blood vessels, critical for tumor growth and survival.
Question 3 of 5
Which of the following are thought to lower the risk of developing cancer?
Correct Answer: D
Rationale: All listed factors reduce cancer risk: smoke and UV are carcinogens; diet impacts risk.
Question 4 of 5
Cancer cells are considered to be:
Correct Answer: D
Rationale: All apply: cancer cells can be transplanted (e.g., in mice), passed to daughter cells (heritable), lose specialization (dedifferentiated), and invade tissues.
Question 5 of 5
What are the genotypes of the parents?
Correct Answer: B
Rationale: Without the pedigree, heterozygous (Aa x Aa) is common for dominant traits with affected and unaffected offspring.