Question

31.All of these serve to increase body temperature in humans, EXCEPT

		shivering.
		vasoconstriction.
		a negative feedback loop.
		vasodilation.
		cellular metabolism.

32.Based on what you know about mechanisms for generating additional heat, you would expect someone living in a very cold environment to

		require the same number of calories to stay warm than someone living in a moderate environment.
		require at least three times as much protein to stay warm as someone living in a moderate environment.
		require many more calories to stay warm than someone living in a moderate environment.
		require many fewer calories to stay warm than someone living in a moderate environment
		require at least three times as less protein to stay warm as someone living in a moderate environment.

33/

Why is it that healthy lifestyle choices may not be enough to avoid cardiovascular disease risk factors?

		Individuals may have genetic predispositions to cardiovascular disease risk factors.
		Individuals may have a family history of cardiovascular disease.
		Individuals may have both genetic predispositions to cardiovascular disease risk factors and a family history of cardiovascular disease.
		Healthy lifestyle choices are the only way to avoid cardiovascular disease.
		Individuals may be genetically inclined to exercise and eat healthier.

Answer 1