Question detail
Describe the role of thyroxine in the body and its importance in maintaining metabolic balance.
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
Question
Type
exam_style
Style
Topic
Hormonal coordination in humans
Question
Describe the role of thyroxine in the body and its importance in maintaining metabolic balance.
Answer
Thyroxine is a hormone produced by the thyroid gland that plays a crucial role in regulating the basal metabolic rate, which affects how quickly the body uses energy. It is essential for growth and development, influencing processes such as protein synthesis and the metabolism of carbohydrates and fats. Proper levels of thyroxine are vital for maintaining metabolic balance and overall health.
Explanation
This answer is strong as it highlights the functions of thyroxine and its significance in metabolic processes, showcasing the student's ability to connect hormonal function with physiological outcomes. The question assesses recall and understanding of the hormone's role in the body.
Common mistake
Thyroxine Control Confusion
Students often confuse the role of thyroxine in metabolism with its regulation by negative feedback, thinking it only increases metabolism without understanding the feedback mechanism.
To fix this, students should focus on how thyroxine levels are monitored by the hypothalamus and pituitary gland, and how an increase in thyroxine leads to a decrease in TSH production, illustrating the negative feedback loop.
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