Question detail
What is the primary role of thyroxine in the human body?
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
MCQ
Type
practice
Style
Topic
Hormonal coordination in humans
Question
- A. Regulating blood glucose levels
- B. Stimulating basal metabolic rate
- C. Controlling water balance
- D. Facilitating digestion
Answer
The correct option is Stimulating basal metabolic rate. This answer is correct because it matches the approved learning objective to explain (HT only) that thyroxine has an important role in growth and development in the subtopic Feedback systems (HT only).
Explanation
The correct option is Stimulating basal metabolic rate. Stimulating basal metabolic rate is correct because it directly supports the approved learning objective to explain (HT only) that thyroxine has an important role in growth and development. This belongs to the subtopic Feedback systems (HT only) within Hormonal coordination in humans, so the explanation must stay tied to that curriculum context. The other options are incorrect because they either do not answer this learning objective, use a vague statement, or move away from Feedback systems (HT only).
Common mistake
Misunderstanding Thyroxine's Role
Students often think that thyroxine only affects metabolism and do not recognize its crucial role in growth and development.
Emphasize that thyroxine is essential not just for metabolic rate but also for proper growth and development, particularly during childhood and adolescence.
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