OCN Radiation Therapy Nursing 3

Question 1

A patient who received chest wall and axillary radiation for breast cancer develops swelling, heaviness, and tightness of the ipsilateral arm. Which condition is this?

Accepted Answer

Lymphedema

Answer

Deep vein thrombosis

Answer

Radiation fibrosis

Answer

Cellulitis

Question 2

What is radiation recall dermatitis?

Accepted Answer

An inflammatory skin reaction in a previously irradiated area triggered by certain chemotherapy agents

Answer

A skin reaction that occurs during the first week of radiation therapy

Answer

A chronic skin change that develops years after radiation completion

Answer

An allergic reaction to the immobilization mask material

Question 3

A patient receiving radiation therapy to the salivary glands develops severe dry mouth. What is this condition called, and which intervention is most appropriate?

Accepted Answer

Xerostomia; encourage frequent sips of water, use saliva substitutes, and good oral hygiene

Answer

Mucositis; treat with magic mouthwash rinses

Answer

Trismus; prescribe jaw-stretching exercises

Answer

Dysphagia; initiate enteral tube feeding immediately

Question 4

Total body irradiation (TBI) is most commonly used as a preparative regimen for which procedure?

Accepted Answer

Hematopoietic stem cell transplantation (HSCT)

Answer

Surgical resection of solid tumors

Answer

Palliative treatment of bone metastases

Answer

Prophylactic cranial irradiation in lung cancer

Question 5

Which of the following is a late effect of radiation therapy to the pelvis that a nurse should include in patient education?

Accepted Answer

Vaginal stenosis and sexual dysfunction

Answer

Acute nausea during treatment sessions

Answer

Transient hair loss at the treatment site only

Answer

Radiation recall reaction within 30 days

Question 6

A patient undergoing radiation therapy to the thorax develops difficulty swallowing, odynophagia, and a sensation of food sticking. Which acute radiation complication is occurring?

Accepted Answer

Radiation esophagitis

Answer

Radiation pneumonitis

Answer

Mucositis

Answer

Radiation-induced neuropathy

Question 7

Which statement best describes intensity-modulated radiation therapy (IMRT)?

Accepted Answer

Modulates the intensity of individual radiation beamlets to conform precisely to tumor shape while sparing adjacent organs

Answer

Delivers a uniform radiation dose across the entire treatment field

Answer

Delivers a single high-dose fraction using a Gamma Knife device

Answer

Uses radioactive isotopes implanted directly into the tumor