Which of the following situations is most likely to involve the action of the parasympathetic nervous system?
a) After a satisfying evening meal, Callum relaxes in front of the television.
b) Walking toward her car in a deserted parking garage one night, Danica is surprised by a strange man appearing from nowhere.
c) Brooke's finger accidentally grazes the hot iron; she immediately jerks her hand away.
d. Both Danica's situation and Brooke's are likely to involve the action of the parasympathetic nervous system.
ANS: A, The parasympathetic nervous system is involved in relaxing situations.
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