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Nursing 22 Oncology - Exam 1 (Radiation Therapy) Exam Questions and Answers $8.49   Add to cart
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Nursing 22 Oncology - Exam 1 (Radiation Therapy) Exam Questions and Answers
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  • Course
  • Radiation therapy
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  • Radiation Therapy

Radiation - Answer-The purpose of this therapy is to destroy cancer cells with minimum exposure to normal cells. It alters cells DNA so they can't reproduce. This is most effective when the tumor is localized to one tissue or body area. Types of Radiation - Answer-These include: - Ionizing Radi...

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  • October 7, 2024
  • 2
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • nursing 22 oncology exam 1 radiation therapy e
  • radiation answer the purpose of this therapy is

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  • Radiation therapy
  • Radiation therapy

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Nursing 22 Oncology - Exam 1
(Radiation Therapy) Exam Questions
and Answers
Radiation - Answer-The purpose of this therapy is to destroy cancer cells with minimum
exposure to normal cells. It alters cells DNA so they can't reproduce. This is most
effective when the tumor is localized to one tissue or body area.

Types of Radiation - Answer-These include:
- Ionizing Radiation
- Intensity-modulated Radiation Therapy (IMRT)

Ionizing Radiation - Answer-This radiation type has single beams that kill cells. (Cobalt,
radiation or linear accelerators)

Intensity-Modulated Radiation Therapy - Answer-This radiation therapy has several
beams, there is a high dose of radiation to a tumor, but it spares healthy tissue around
it.

Safety with Radiation Therapy - Answer-These include:
Time
Distance
Shielding

Types of Radiation Therapy - Answer-These include:
- External (Teletherapy)
- Internal (Brachytherapy)

External Radiation Therapy - Answer-This type of radiation therapy is considered a
distant treatment. The client never emits radiation. the Client is no hazard to anyone.

Internal Radiation Therapy - Answer-Here, radiation source is within the patient. The
patient emits radiation and can pose a hazard to others.

Unsealed Internal Radiation - Answer-This type of radiation is given PO or IV into the
body cavity and excreted via waste products - so use precautions. Once they eliminate
the wastes, the patient is no longer radioactive.
- Ex. Thyroid - Iodine 131. Excreted in 48 hours.

Sealed Internal Radiation - Answer-This type of radiation stays in place by itself and
becomes inert/inactive. It may need an applicator sometimes to keep in place. This is
low level radiation. It can be temporary or permanent

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