View the animation below, then complete the quiz to test your knowledge of the concept.

1	Chemoreceptors in the carotid and aortic bodies detect all of the following except...
	A)	oxygen levels
	B)	blood pressure
	C)	pH
	D)	carbon dioxide
	E)	both A and D
2	Chemoreceptors are also located in the...
	A)	medulla oblongata.
	B)	pons.
	C)	hypothalamus.
	D)	thalamus.
	E)	spinal cord.
3	Which of the following will not increase the heart rate?
	A)	decreased blood oxygen
	B)	increased blood carbon dioxide
	C)	increased blood pressure
	D)	decreased blood pH
4	Increased sympathetic stimulation causes increased heart rate and stroke volume.
	A)	True
	B)	False
5	Chemoreceptors in the hypothalamus monitor blood carbon dioxide and pH.
	A)	True
	B)	False