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Animation: Hormonal Communication
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View the animation below, then complete the quiz to test your knowledge of the concept.






1Dehydration is detected by osmoreceptors in the
A)hypothalamus.
B)anterior pituitary.
C)posterior pituitary.
D)kidney.
E)cerebellum.



2Antidiuretic hormone (ADH) is released by the
A)hypothalamus.
B)anterior pituitary.
C)posterior pituitary.
D)kidney.
E)cerebellum.



3ADH functions to
A)increase urine volume output and cause blood vessel dilation.
B)increase urine volume output and cause blood vessel constriction.
C)decrease urine volume output and cause blood vessel dilation.
D)decrease urine volume output and cause blood vessel constriction.
E)decrease urine volume output, but has no effect on blood vessels.



4ADH helps to conserve water during dehydration.
A)True
B)False



5ADH travels to its target cells via the bloodstream.
A)True
B)False







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