Radiation Therapy Chapter 1 Exam Questions and Answers 100% Pass

Radiation Therapy Chapter 1 Exam
Questions and Answers 100% Pass


Knowledge of cancer dates back to which of the following?


a. 1600 BC Egypt


b. 1600 AD England


c. 400 BC Greece


d. 1900 AD Germany - ✔✔A


The first known observations of cancer date back to 1600 BC Egypt.


p. 3




2. Which of the following is not a term for genes involved in the cancer

process?




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,a. Anti-oncogenes


b. Oncogenes


c. Proto-oncogenes


d. Somato-oncogenes - ✔✔D


Anti-oncogenes, oncogenes, and proto-oncogenes have all been identified

as playing a part in the development of tumors. Somato-oncogenes do not

exist.


p. 3




3. Tumor-suppressor genes are also known as ___________.


a. anti-oncogenes


b. oncogenes


c. proto-oncogenes


d. somato-oncogenes - ✔✔A




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,Although more commonly called tumor-suppressor genes, these genes are

also known as anti-oncogenes.


p. 3




4. Which of the following is not a phase of the mammalian cell cycle?


a. G0


b. G1


c. G2


d. G3 - ✔✔D


G0 is a resting phase where cells do not enter mitosis. G1 and G2 are

growth phases during the mammalian cell cycle. Although some algae

species demonstrate a relatively long phase between nuclear division and

cleavage of the cell termed G3, this phase is not part of the mammalian cell

cycle.


pp. 3-4




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, 5. Which phase of the mammalian cell cycle is composed of functional cells

not preparing for DNA replication?


a. G0


b. G1


c. G2


d. S


e. M - ✔✔A


G0 is typically depicted outside the cell cycle because cells in this phase are

not preparing for DNA synthesis.


pp. 3-4




6. In which phase of the mammalian cell cycle does DNA synthesis occur?


a. G0


b. G1



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