Question detail
What is the primary function of thyroxine in the 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. Stimulates growth and development
- B. Increases heart rate
- C. Stimulates basal metabolic rate
- D. Regulates blood glucose levels
Answer
The correct option is Stimulates basal metabolic rate. This answer is correct because it matches the approved learning objective to interpret (HT only) simple feedback diagrams involving thyroxine or adrenaline in the subtopic Feedback systems (HT only).
Explanation
The correct option is Stimulates basal metabolic rate. Stimulates basal metabolic rate is correct because it directly supports the approved learning objective to interpret (HT only) simple feedback diagrams involving thyroxine or adrenaline. 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
Misinterpreting Feedback Diagrams
Students often confuse the roles of thyroxine and adrenaline in feedback diagrams, leading to incorrect interpretations of how these hormones regulate bodily functions.
To fix this, students should focus on understanding the specific functions of each hormone and how they interact in feedback loops. Reviewing the mechanisms of negative feedback for both thyroxine and adrenaline separately can help clarify their distinct roles.
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