A client with suspected lung cancer is scheduled for a positron emission tomography (PET) scan as part of the diagnostic evaluation. What does a PET scan primarily assess in relation to cancer?

Blood pressure

Bone density

Cellular metabolism and activity

Lung function

Answer and Explanation

The Correct Answer is C

A) Incorrect. A PET scan does not assess blood pressure.

B) Incorrect. Bone density is not the primary focus of a PET scan.

C) Correct. A PET scan primarily assesses cellular metabolism and activity, which can help identify areas of increased metabolic activity, often seen in cancer cells.

D) Incorrect. While lung function is important in lung cancer, a PET scan does not directly assess lung function.

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Correct Answer is C

Explanation

A) Incorrect. Smoking is strongly associated with the development of lung cancer.

B) Incorrect. Both heavy and light smokers are at an increased risk of developing lung cancer.

C) Correct. Smoking is the primary cause of lung cancer, accounting for the majority of cases.

D) Incorrect. Passive smoking or exposure to secondhand smoke can increase the risk of lung cancer in non-smokers.

A. "Metastasis is the growth of benign tumors in the lungs." B. "Metastasis refers to the spread of cancer cells from the lungs to other parts of the body." C. "Metastasis only occurs in advanced stages of lung cancer." D. "Metastasis is the process of early cancer development in the lungs."

Correct Answer is B

Explanation

A) Incorrect. Metastasis involves the spread of malignant (cancerous) cells, not benign tumors.

B) Correct. Metastasis is the process by which cancer cells from the primary lung tumor can travel to other parts of the body and form secondary tumors.

C) Incorrect. Metastasis can occur at various stages of lung cancer, not just in advanced stages.

D) Incorrect. Metastasis is not the process of early cancer development but rather the spread of cancer cells.

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A client with suspected lung cancer is scheduled for a positron emission tomography (PET) scan as part of the diagnostic evaluation. What does a PET scan primarily assess in relation to cancer?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A client asks the nurse about the relationship between smoking and the risk of developing lung cancer. What response by the nurse is accurate?

Correct Answer is C

Explanation

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Correct Answer is B

Explanation

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