________ causes pupil dilation by blocking ________ receptors
A) Cocaine; dopaminergic
B) Atropine; muscarinic
C) Curare; muscarinic
D) Belladona; adrenergic
E) Muscarine; nicotinic
Answer: B
Rationale: Atropine causes pupil dilation by blocking muscarinic receptors.
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a. proving the null hypothesis. b. proving the alternative hypothesis. c. rejecting the null hypothesis. d. discovering ultimate truth.
In Piaget’s theory, each time the back-and-forth movement between equilibrium and disequilibrium occurs, __________
A) children temporarily regress to a previous stage B) less effective schemes are produced C) children adapt more than they organize D) more effective schemes are produced
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a. highly valid; highly valid b. invalid; highly valid c. invalid; invalid d. highly valid; invalid
The action potential occurs at the synapse
Indicate whether the statement is true or false.