Question detail
Which of the following best describes the relationship between receptors, coordination centres, and effectors in homeostasis?
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
MCQ
Type
practice
Style
Topic
Homeostasis
Question
- A. Receptors send signals to effectors directly
- B. Coordination centres interpret signals from effectors
- C. Receptors detect stimuli and send information to coordination centres, which then signal effectors
- D. Effectors monitor changes in the environment
Answer
The correct option is Receptors detect stimuli and send information to coordination centres, which then signal effectors. This answer is correct because it matches the approved learning objective to explain that automatic control systems may involve nervous responses or chemical responses in the subtopic Homeostasis.
Explanation
The correct option is Receptors detect stimuli and send information to coordination centres, which then signal effectors. Receptors detect stimuli and send information to coordination centres, which then signal effectors is correct because it directly supports the approved learning objective to explain that automatic control systems may involve nervous responses or chemical responses. This belongs to the subtopic Homeostasis within Homeostasis, 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 Homeostasis.
Common mistake
Confusing Nervous and Chemical Responses
Students often mix up nervous responses with chemical responses, failing to clearly differentiate between the two types of automatic control systems.
To fix this, students should study the characteristics of each response type, noting that nervous responses are typically fast and involve electrical signals, while chemical responses are slower and involve hormones.
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