A nurse is providing an in-service about cancer.Which of the following statements is true regarding metastasis?
Metastasis is when cancerous cells spread into or invade nearby tissues and can travel to distant places in the body to form new tumors.
Metastasis is when normal cells spread into or invade nearby tissues and can travel to distant places in the body but do not form tumors.
Metastasis is when normal cells spread into or invade nearby tissues but do not travel to distant places in the body.
Metastasis is when cancerous cells spread into or invade nearby tissues and can treat malignant tumors.
The Correct Answer is A
Choice A rationale
Metastasis is when cancerous cells spread into or invade nearby tissues and can travel to distant places in the body to form new tumors. This process involves the detachment of cancer cells from the primary tumor, their movement through the bloodstream or lymphatic system, and the establishment of new tumors in other parts of the body.
Choice B rationale
Metastasis specifically involves cancerous cells, not normal cells. Normal cells do not spread and invade other tissues in a way that causes new tumor formation.
Choice C rationale
Metastasis refers to the spread of cancerous cells, not normal cells. Normal cells do not exhibit the same invasive and migratory behaviors as cancerous cells.
Choice D rationale
Metastasis involves the spread of cancerous cells, which can lead to the formation of malignant tumors in distant parts of the body. It does not treat tumors but rather contributes to the progression of cancer.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Choice A rationale
Stopping the infusion immediately is crucial to prevent further exposure to the allergen causing the adverse reaction. This intervention halts the administration of gentamicin, which is likely causing the dyspnea, rash, and itchiness. Prompt discontinuation of the medication minimizes the severity of the allergic reaction and allows for further medical management.
Choice B rationale
Administering an IV fluid bolus to flush the medication is not the priority intervention in this case. While it might help to clear the medication from the bloodstream, it does not address the immediate need to stop the allergen exposure and manage the allergic reaction.
Choice C rationale
Encouraging the client to take deep breaths and remain calm is supportive, but it does not address the root cause of the allergic reaction, which is the administration of gentamicin. The immediate priority is to stop the infusion and then manage the symptoms.
Choice D rationale
Administering oxygen via nasal cannula may help alleviate respiratory distress, but it is not the priority intervention. The primary step is to stop the infusion to prevent further exposure to the allergen.
Correct Answer is A
Explanation
Choice A rationale
Aspirin is a first-generation NSAID that reduces inflammation and pain. It works by inhibiting the enzyme cyclooxygenase, which results in decreased production of prostaglandins.
Choice B rationale
Dimenhydrinate is an antihistamine used to prevent and treat nausea, vomiting, and dizziness caused by motion sickness. It is not considered an NSAID.
Choice C rationale
Cetirizine is an antihistamine used to relieve allergy symptoms. It is not considered an NSAID.
Choice D rationale
Celecoxib is a second-generation NSAID that selectively inhibits cyclooxygenase-2 (COX-2). It is not a first-generation NSAID.
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