Prolonged receptor stimulation during chronic drug therapy may induce cells to endocytose and sequester drug receptors in endocytic vesicles. This molecular mechanism is called
A) tachyphylaxis.
B) inactivation.
C) desensitization.
D) downregulation.
E) refractoriness.
D) downregulation.
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Answer the following statements true (T) or false (F)
1. Platelets agglutinate or clump together whenever blood is damaged. 2. The blood clotting process is called hemostasis. 3. Blood typing is a test to determine how many of each type of leukocyte a person has. 4. A person with Rh+ blood has the Rh factor on his or her red blood cells. 5. Lymph is pinkish in color.
Thinking "I just won't smoke today" instead of "I'll never be able to quit smoking" is an example of
A) changing self-talk. B) shaping. C) drafting a contract. D) reinforcement.
Community risk factors associated with alcohol and other drug use include:
A. Antisocial behavior in early adolescence B. Friends who use drugs C. History of alcoholism and drug addiction D. Laws and norms favorable toward drug use
The main approach of the PRECEDE-PROCEED Model is to begin with the desired outcome and work backwards to the causes
Indicate whether the statement is true or false.