Question detail
What physiological changes occur in the body due to adrenaline release?
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. Decreased blood sugar levels
- B. Increased oxygen delivery to muscles
- C. Increased digestion
- D. Decreased alertness
Answer
The correct option is Increased oxygen delivery to muscles. This answer is correct because it matches the approved learning objective to explain (HT only) the role of adrenaline in preparing the body for flight or fight in the subtopic Feedback systems (HT only).
Explanation
The correct option is Increased oxygen delivery to muscles. Increased oxygen delivery to muscles is correct because it directly supports the approved learning objective to explain (HT only) the role of adrenaline in preparing the body for flight or fight. 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 Adrenaline's Role
Students often think adrenaline only increases heart rate without understanding its broader role in preparing the body for flight or fight.
Emphasize that adrenaline prepares the body by increasing heart rate, enhancing oxygen and glucose delivery to muscles, and triggering other physiological changes necessary for a quick response.
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