a patients most recent diagnostic imaging has revealed that his lung cancer has metastasized to his bones and liver what is the most likely mechanism
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ATI Oncology Quiz

1. A patient’s most recent diagnostic imaging has revealed that his lung cancer has metastasized to his bones and liver. What is the most likely mechanism by which the patient’s cancer cells spread?

Correct answer: B

Rationale: In the case of lung cancer that has metastasized to the bones and liver, lymphatic circulation is a key mechanism by which cancer cells spread from the primary tumor site to distant organs. Cancer cells can invade nearby lymphatic vessels and travel through the lymphatic system, eventually reaching lymph nodes and spreading to other tissues and organs. This route is significant in the metastasis of many types of cancer, including lung cancer.

2. During a health promotion program on testicular cancer, a community health nurse finds that more information is necessary if a community member says which of the following is a sign of testicular cancer?

Correct answer: A

Rationale: The correct answer is A, 'Alopecia.' Alopecia is not a sign of testicular cancer; it can occur due to chemotherapy. Back pain (choice B) is not typically associated with testicular cancer. Painless testicular swelling (choice C) and a heavy sensation in the scrotum (choice D) can be actual signs of testicular cancer, so they do not require further information.

3. Following an extensive diagnostic workup, an older adult patient has been diagnosed with a secondary myelodysplastic syndrome (MDS). What assessment question most directly addresses the potential etiology of this patient's health problem?

Correct answer: A

Rationale: The correct answer is A. Secondary MDS can occur at any age and results from prior toxic exposure to chemicals, including chemotherapeutic medications. Asking about exposure to toxic chemicals in previous jobs directly addresses the potential etiology of this patient's health problem. Choices B, C, and D are not as directly related to the etiology of secondary MDS. Recurrent infections (Choice B) are not a known cause of MDS. Family history (Choice C) is more pertinent to primary MDS, which has a genetic component, while sun exposure (Choice D) is not associated with the etiology of MDS.

4. In an adult patient, which assessment finding is considered diagnostic of Hodgkin lymphoma?

Correct answer: B

Rationale: The correct answer is B: Reed-Sternberg cells. In Hodgkin lymphoma, the presence of Reed-Sternberg cells in lymph node biopsy is diagnostic. These cells are large, atypical cells originating from B-lymphocytes. They are distinctive in appearance and are key to diagnosing Hodgkin lymphoma. Choices A, C, and D are incorrect because Schwann cells are related to nerve function, Lewy bodies are associated with Parkinson's disease, and Loops of Henle are structures in the kidney, none of which are specific to Hodgkin lymphoma.

5. The healthcare professional working with oncology clients understands that which age-related change increases the older client’s susceptibility to infection during chemotherapy?

Correct answer: A

Rationale: The correct answer is A: Decreased immune function. Aging leads to a decline in immune function, which increases susceptibility to infections during chemotherapy. This decline is due to changes in the immune system that occur with age. Choices B, C, and D are incorrect because while they may impact overall health in older clients, they do not directly increase susceptibility to infections during chemotherapy like decreased immune function does.

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