Which of the following is/are functions of the human nervous system?
A. receiving, storing, and processing information on the internal and external environments
B. bringing about changes in physiology and/or behavior to ensure optimal functions of homeostatic mechanisms
C. secretion of hormones
D. coordination of movement
E. All of the choices are correct.
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Question 2) Cyclic AMP activates allosteric proteins.
Indicate whether the statement is true or false.
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Question 3) The enzyme that catalyzes the production of cAMP from ATP is phosphodiesterase.
Indicate whether the statement is true or false.
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Question 4) Activated calmodulin functions to activate or inactivate cytosolic enzymes.
Indicate whether the statement is true or false.
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Question 5) Phosphorylation is a necessary component of any enzyme activation.
Indicate whether the statement is true or false.
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Question 6) Competition for receptors is strictly a pharmacological phenomenon, since naturally occurring chemical messengers do not compete with each other for the same receptor site.
Indicate whether the statement is true or false.
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Question 7) Two cell types having the same type of receptor for a chemical messenger will always respond to that messenger in the same way.
Indicate whether the statement is true or false.
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Question 8) Aspirin and other nonsteroidal anti-inflammatory drugs are more specific in their effects on eicosanoid synthesis than are steroidal anti-inflammatory drugs.
Indicate whether the statement is true or false.
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Question 9) Eicosanoids are a family of ubiquitous, fatty-acid-derived, local chemical messengers.
Indicate whether the statement is true or false.
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Question 10) An antagonist blocks the action of a chemical messenger by binding to its receptor.
Indicate whether the statement is true or false.
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