A scan shows that a particular substance has spread throughout the body via the bloodstream but has not entered the brain. This finding demonstrates the existence of:

a. the blood-brain barrier.
b. the doctrine of specific nerve energies.
c. blood efficacy.
d. medicine effects.

Answer: A

Psychology

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Long-term stressors particularly common among those who attempt suicide include all the following EXCEPT:

A) serious illness. B) occupational stress. C) divorce. D) an abusive environment.

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The most commonly diagnosed psychological disorders in older adults are depression and anxiety

Indicate whether the statement is true or false

Psychology