The human blood-brain barrier is a type of filter that protects the brain from foreign invaders, including toxins and poisons. It is made, primarily, of what type of tissue?

a. Enzymes
b. Amino Acids
c. Fat
d. Protein


Answer: C

Psychology

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The emotion of fear appears to be controlled largely by the __________, even though it is possible for other areas of the brain to override (or mute) basic fear responses

a. amygdala b. hypothalamus c. hippocampus d. cerebellum

Psychology

In the United States, family conflict in adolescence _______________

a. is most intense between fathers and sons b. steadily increases until the end of emerging adulthood c. is more frequent between early-maturing adolescents and their parents compared to "on-time" adolescents and their parents d. is similar in frequency to that observed in traditional cultures

Psychology

Seventy-year-old Isabel’s life goals emphasized money and prestige. She is likely to __________

A) fear the end of life B) continue service to society C) express acceptance of her own death D) feel increased contentment in late life

Psychology

The criteria for substance use disorder in the DSM-5 include all of the following EXCEPT

a) failure to meet obligations. b) repeated substance use legal problems. c) repeated sales of illegal substances d) tolerance

Psychology