PNI researchers study interactions among:

a. the nervous system, the endocrine system, and the digestive system..
b. the nervous system, the endocrine system, and the immune system.
c. the nervous system, the reproductive system, and the immune system.
d. the reticular activating system and the endocrine system.

B

Psychology

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A severely clouded lens causes which chronic eye condition?

A) glaucoma B) a cataract C) macular degeneration D) diabetic retinopathy

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The work of pioneering physiologist Walter Cannon conclusively demonstrated that gastric activity in an empty stomach is the sole basis for hunger

a. true b. false

Psychology