Final answer:
B) 0.08. In the United States, the legal limit for blood content while driving is 0.08%. This is enforced to reduce the dangers of driving under the influence, and the limit is measured using devices like the Breathalyzer.
Step-by-step explanation:
Given the fact that a client is concerned about having pheochromocytoma and the associated fear of cancer, the nurse should initially provide reassurance about the nature of the condition. Therefore, the most appropriate initial response would be:Pheochromocytomas usually aren't cancerous (malignant). But they may be associated with cancerous tumors in other endocrine glands such as the thyroid (medullary carcinoma of the thyroid).
Pheochromocytomas are tumors of the adrenal medulla that can cause excessive production of catecholamines, leading to symptoms such as hypertension. While they are usually non-cancerous, there can be instances where they are associated with other endocrine gland cancers. The diagnosis of pheochromocytoma is typically confirmed through blood and urine tests that show elevated levels of adrenaline and noradrenaline, along with imaging techniques like CT or MRI to visualize an adrenal tumor. Treatment approaches may vary based on the specific diagnosis, but they often include surgery, and, if malignant, may be combined with other cancer therapies.