Consider homeostasis in the control of body temperature - VCE - SSCE Biology - Question 13 - 2005 - Paper 1
Question 13
Consider homeostasis in the control of body temperature.
If body temperature rises above normal limits then
A. responses 2 involve constriction of the blood vessels.... show full transcript
Worked Solution & Example Answer:Consider homeostasis in the control of body temperature - VCE - SSCE Biology - Question 13 - 2005 - Paper 1
Step 1
A. responses 2 involve constriction of the blood vessels.
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Answer
This statement is incorrect because when body temperature rises, the body typically responds by dilating blood vessels to increase heat loss, not constricting them.
Step 2
B. responses 2 involve an increase in shivering.
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Answer
This statement is also incorrect. Shivering is a response to a decrease in body temperature, as it generates heat through muscle activity.
Step 3
C. the sensor is the anterior pituitary gland.
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Answer
This statement is incorrect because the sensors for temperature regulation are primarily thermoreceptors located in the skin and the hypothalamus, not the anterior pituitary gland.
Step 4
D. the sweat glands act as an effector.
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Answer
This statement is correct. When body temperature rises, the sweat glands are activated to increase perspiration, which helps cool the body through evaporation.
