National Dental Examining Board of Canada (NDEB) Practice Exam

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Master your National Dental Examining Board of Canada (NDEB) exams with our comprehensive practice guide. Achieve excellence in your dental certification with expertly crafted questions and detailed explanations.

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Myxedema is associated with the excess/insufficiency of which hormone?

  1. Insufficient thyroid hormone

  2. Excess parathyroid hormone

  3. Insufficient insulin

  4. Excess cortisol

The correct answer is: Insufficient thyroid hormone

Myxedema is a condition that occurs when there is insufficient thyroid hormone production in the body. This causes a slowdown in the body's metabolism, leading to symptoms such as weight gain, fatigue, and cold intolerance. Option B (excess parathyroid hormone) is incorrect because parathyroid hormone is responsible for regulating calcium levels in the body, not thyroid function. Option C (insufficient insulin) is incorrect because insulin is a hormone related to blood sugar regulation, not thyroid function. Option D (excess cortisol) is incorrect because cortisol is a stress hormone that is not directly involved in thyroid function. Therefore, the correct answer is option A.