The Parasympathetic Nervous System

question 75

Multiple Choice

The parasympathetic nervous system

• A) causes constriction of cutaneous blood vessels and dilation of vessels to the skeletal muscles
• B) decreases heart rate and increases secretion of digestive enzymes
• C) releases epinephrine from the postganglionic fibers
• D) stimulates the sweat glands in stressful situations
• E) has only one neuron in the pathway

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Definitions:

Cyclothymic Episode

A period characterized by mood swings less severe than those in bipolar disorder, ranging from mild depression to emotional highs.

Panic Attacks

Sudden episodes of intense fear or acute discomfort, accompanied by physical symptoms such as palpitations, sweating, trembling, or feelings of doom.

Obsessive-Compulsive Disorder

A mental health disorder where a person has uncontrollable, reoccurring thoughts (obsessions) and behaviors (compulsions) they feel the urge to repeat over and over.

Phobic Disorder

An anxiety disorder characterized by an excessive and irrational fear of an object, situation, or activity that is generally harmless.