Describe the function of one agonist and one antagonist and how the two types of drugs generally differ
What will be an ideal response?
* Physostigmine is an agonist; Haldol and reserpine are antagonists
* Agonists and antagonists differ in that agonists enhance the operation of a neurotransmitter and antagonists block the operation of neurotransmitters.
* Agonists work in the following ways: (1) increase synthesis of neurotransmitters (for example, by increasing the amount of a precursor); (2) increase amount of neurotransmitter by destroying degrading enzymes; (3) increase amount of neurotransmitter that is released; (4) drug binds to receptors and activates them or increases the effect of the neurotransmitter; and (5) drug blocks deactivation by inhibiting breakdown or reuptake.
* Antagonists work in the following ways: (1) blocking synthesis of neurotransmitter (for example, by destroying synthesizing enzymes); (2) causes neurotransmitter to leak from vesicles; (3) blocks release of neurotransmitter from the neuron; and (4) drug may be a false transmitter; it binds to receptors and prevents the neurotransmitter from binding them.
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Cooperative movement on the Rorschach refers to
a. a conceptual agreement between perceptions of multiple stimuli. b. the tendency to perceive pleasant concepts in stimuli. c. the perception of two or more people, animals, or objects moving in unison. d. a perception of positive interaction between humans or animals in a stimulus.
Which couple is likely to be experiencing the most inter-role conflict?
a. Willy and Tina, who do not have any children b. Shaun and Joanna, who have two preschool-age children c. Karen and Jim, whose children are now in college d. Michelle and Kenny, who are both retired
Most deaths in contemporary American society occur
a. in some sort of health-care institution b. in a long-term care facility c. in the home d. in the presence of family caregivers e. none of these
The scientific method involves five basic steps: ____
a. observe the environment; generate a theory of the phenomenon to be studied; generate possible hypotheses; systematically vary variables; and conduct an experiment b. collect data to test a theory; manipulate variables within a laboratory setting; conduct a statistical analysis of the data; synthesize the results; and publish the findings c. identify a question to be investigated; form a hypothesis; choose a research method and a research design; collect data to test the hypothesis; and draw conclusions that lead to new questions and hypotheses d. generate a conclusion; isolate variables; determine how variables are related to the conclusion; conduct the research study; and published the findings