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NUR 220 ( LATEST 2024 / 2025 ) ONCOLOGY 1 | GUARANTEED A+ ACTUAL QUESTIONS AND ANSWERS $15.99   Add to cart

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NUR 220 ( LATEST 2024 / 2025 ) ONCOLOGY 1 | GUARANTEED A+ ACTUAL QUESTIONS AND ANSWERS

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NUR 220 ( LATEST 2024 / 2025 ) ONCOLOGY 1 | GUARANTEED A+ ACTUAL QUESTIONS AND ANSWERS

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  • October 20, 2024
  • 31
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • NUR 220 Onc
  • NUR 220 Onc
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NUR 220 Oncology 1

1. Effects of cancer before treatment begins
Answer
Impaired immune/hematopoetic function. Anemia, thrombocytopenia, immune dysfunction.
(This even BEFORE chemo beings.)

Altered GI structure/function. Obstruction. Malabsorption with malnutrition and weight loss
(also because of increased metabolic rate of rapidly dividing cancer cells). Liver metastases
cause clotting dysfunction and impair metabolism of medications.

Motor/sensory deficits
Effects of compression from tumors in spinal canal and brain.
Paraneoplastic syndromes.
Decreased respiratory function
Infiltrates, effusions.

2. Treatment goals for cancer
Answer
Cure. Control.

Palliation.


3. Most important factors in determining cancer treatment
Answer
Tumor type. Performance status.

4. Performance status
Answer
Quantitative measure of cancer patient's general well-being and ability to perform ADLs.

,5. Reasons for surgery in cancer
Answer
Diagnostic


Biopsy. Primary treatment


Local or wide excision, debulking.

Prophylactic


Removing nonvital tissues or organs at risk for developing cancer (colectomy, mastectomy,
oophorectomy).

Palliative


Relieve ulcerations, obstructions, pain, malignant effusions. Reconstructive.

6. Local excision
Answer
Removal of mass and small margin around it (good for small tumor).

7. Wide excision
Answer
AKA, radcial excision or en bloc dissection. Removal of primary tumor, lymph nodes, adjacent
structures, and tissues that might be at risk for tumor spread.

8. BRCA-1 and BRCA-2
Answer
Clinical markers associated with hereditary development of breast and ovarian cancer. Tumor
suppressor gene. Mutation causes cancer risk. With BRCA-1, 85% chance of breast and 45%
chance of ovarian cancer before age 85.


9. Nursing care after cancer surgery

,Answer
Address physical and psychological effects. Effect on body image, self-esteem, functional
ability. Also, with biopsy, may have anxiety of having to wait for results.

General postsurgical care.
Specific care for organ dysfunction, immune dysfunction, coagulopathies. High DVT risk.
Impaired wound healing. Altered respiratory and renal function. Increased risk with
chemo/radiation.



10. Difficulty of diagnosing DVT
Answer
50% of patients are asymptomatic. Look for pain in calf aggravated by standing or walking.
Asymmetry of limbs as well as warmth and erythema. Venous distention that persists despite
elevation. Low fever and tachycardia.


11. Uses of radiation therapy
Answer
Cure. Control.

Prophylaxis


Prevent leukemic infiltration of brain and spinal cord.

Palliation


Treat painful bone mets. Treat emergencies like SVC syndrome or spinal cord compression.

12. 2 types of ionizing radiation used in radiation therapy
Answer
Electromagnetic rays (x-ray and gamma ray).

Particles (electrons, protons, neutrons, alpha particles).

, 13. How radiation therapy works
Answer
Ionizing radiation disrupts malignant cell proliferation through alteration in DNA structure,
breaking double helix and causing cell death. Goal is to destroy as many cancer cells as possible
and sparing normal cells.

14. Why radiation therapy damages other tissues besides tumor
Answer
Cells undergoing DNA synthesis and mitosis are most susceptible to damage. Tissues that
undergo frequent cell division are susceptible


Bone marrow, lymphatic tissue, epithelial tissue of GI tract, hair cells, gonads. Slower growing
tissues are radioresistant


Muscle, cartilage, connective tissue.

15. 2 types of radiation delivery
Answer
External

Has to pass through a lot of normal tissues to get to cancer cells. If it passes through bone, for
instance, there may be pathological fracture. Formerly, only external was available, but now
doing a lot of brachytherapy.

Internal (brachytherapy)

Delivers high dose of radiation to local area. Implantation of radioisotopes. E.g., intracavitary
radiation to cervix and vagina. Also, oral administration of I-131 for thyroid cancer. Spares
noncancerous tissue.


16. Sealed versus unsealed radiation
Answer
Sealed

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