OCN Exam

FREE OCN General Questions and Answers

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Which of the following drugs is typically prescribed to a leukemia patient as a preventative measure against P. carinii pneumonia?

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Overwhelming infection is the most common reason for leukemia-related deaths. A youngster with leukemia who contracts P. carinii will die as a result. Continuous low doses of co-trimoxazole (Bactrim) are routinely administered as a P. carinii pneumonia prevention. Thrush would be treated with an oral suspension of nystatin. Prednisone makes people more vulnerable to infection and is not an antibiotic. Antineoplastic agents include vincristine.

A 60-year-old male patient is admitted to the oncology unit with a new diagnosis of small cell carcinoma of the right lung and a cough as his main complaints. The syndrome of the superior vena cava is identified. Which medical procedures would you anticipate being prescribed for this patient?

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Chemotherapy combined with adjuvant radiation therapy is the proper course of treatment to reduce tumor size and improve blockage; that is the root cause of the syndrome. Treatment options for a pleural effusion might include chest tube insertion and thoracentesis. Superior vena cava syndrome cannot be effectively treated with packed red blood cell transfusions.

All of the following, except the next, are the malignancies most frequently linked to cardiac tamponade:

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The three cancers that increase the likelihood of developing cardiac tamponade are leukemia, lymphoma, and breast cancer. The volume of fluid in the pericardium, the rate at which it accumulates, and the degree of pericardial deterioration brought on by cancer all play a role in how severe of an oncologic emergency this disease is.

Chemotherapy combined with adjuvant radiation therapy is the proper course of treatment to reduce tumor size and improve blockage; that is the root cause of the syndrome. Treatment options for a pleural effusion might include chest tube insertion and thoracentesis. Superior vena cava syndrome cannot be effectively treated with packed red blood cell transfusions.

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Oral mucositis is dangerous for head and neck cancer patients who receive radiation therapy. Patients receiving radiation therapy to the head and neck should be taught to apply soothing ointments for dry lips, use a soft nylon toothbrush, rinse their mouths with baking soda, and moisten their food with sauces or gravies.

Parents of young patients receiving radiation treatments that affect the central nervous system should be informed about post-radiation somnolence. What time of year does this neurological syndrome typically occur?

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After CNS irradiation, postirradiation somnolence may appear 5 to 8 weeks later and continue for 3 to 15 days. Anorexia, somnolence with or without fever, nausea, and vomiting are its hallmarks. Parents should be ready to expect such symptoms and encourage the child to get the rest they need, even though the syndrome isn't considered clinically severe.

Which of the following is frequently affected when Hodgkin's lymphoma is diagnosed?

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A cervical lesion that causes no pain is frequently present during diagnosis. The groin, chest, and back are unaffected.

One of the primary tumors with the most significant frequency of brain metastases is:

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In the United States, 170,000 new brain metastases cases are identified annually. Although cancer can metastasize, most brain metastases are caused by melanoma, lung, breast, kidney, and colon malignancies. The brain is the site of metastasis for 65 percent of melanomas. Not frequently occurring malignancies with brain metastases include lymphoma, ovarian, and thyroid cancer.