Which of the following leads users to take larger and larger doses of a drug to get the desired effect?
a. withdrawal symptoms
b. reduced activity of neurotransmitters
c. psychological dependence
d. drug tolerance
D
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The most common biological cause of erectile disorder is
a. recreational drug abuse b. low sexual interest c. diabetes d. low testosterone levels e. circulatory problems
Swen's doctor just informed him that in order to correct his visual problem, Swen must have his clouded lens replaced. This means that Swen's visual problem involves
a. retinitis pigmentosa. b. cataracts. c. glaucoma. d. macular degeneration.
Describe and evaluate the biological model of mental disorders
What will be an ideal response?
Endorphins are endogenous, which means they
a. decrease the functioning of the immune system. b. do not occur naturally in the brain and bloodstream. c. increase pain messages to the brain. d. occur naturally in the brain and the bloodstream.