Podcast
Questions and Answers
What mechanism is triggered when the brain senses the body is too cold?
What mechanism is triggered when the brain senses the body is too cold?
- Vasoconstriction
- Vasodilation
- Shivering (correct)
- Sweating
At what core body temperature does vasodilation occur according to the text?
At what core body temperature does vasodilation occur according to the text?
- 37.5°C (99.5°F)
- 36.0°C (96.8°F)
- 36.5°C (97.7°F)
- 37.0°C (98.6°F) (correct)
Which response is triggered by vasoconstriction in the skin?
Which response is triggered by vasoconstriction in the skin?
- Dilation of blood vessels
- Decreased heart rate
- Increased sweating
- Shivering (correct)
What is the role of effector in a feedback loop?
What is the role of effector in a feedback loop?
In what situations does a positive feedback loop occur according to the text?
In what situations does a positive feedback loop occur according to the text?
Which component of the feedback loop senses changes in the body?
Which component of the feedback loop senses changes in the body?
What term describes the body's ability to detect a change, activate mechanisms to oppose it, and maintain stable internal conditions?
What term describes the body's ability to detect a change, activate mechanisms to oppose it, and maintain stable internal conditions?
Which scientist coined the term 'Homeostasis'?
Which scientist coined the term 'Homeostasis'?
What mechanism helps to keep the body's core temperature within a set range?
What mechanism helps to keep the body's core temperature within a set range?
Which of the following is NOT a characteristic of life according to the text?
Which of the following is NOT a characteristic of life according to the text?
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