NCLEX-RN

Category - Health Promotion

A staff nurse asks the student nurse about the effects of triiodothyronine and thyroxine on different body processes. The student understands the role of thyroid hormone if which of the following processes are mentioned?
  1. Metabolic rate and growth and development
  2. Bone strength, muscle contraction, and blood calcium levels.
  3. Blood glucose level and glycogenolysis.
  4. Secondary sex characteristics and menstrual cycle
Explanation
Answer: A - Triiodothyronine and thyroxine are thyroid hormones that play a major role in growth and development and in regulation of metabolic rate. Bone strength and blood calcium levels are effects of the parathyroid hormone, whereas glucagon raises the blood glucose. Secondary sex characteristics and regulation of the menstrual cycle are the effects of estrogen.
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