Open QuestionWhat two distinctive results are produced by the stimulation of sympathetic ganglionic neurons?
Open QuestionWhich four pairs of cranial nerves are associated with the cranial segment of the parasympathetic division of the ANS?
Open QuestionWhich six plexuses in the thoracic and abdominopelvic cavities innervate visceral organs, and what are the effects of sympathetic versus parasympathetic stimulation?
Open QuestionDual innervation refers to situations in which (a) vital organs receive instructions from both sympathetic and parasympathetic fibers, (b) the atria and ventricles of the heart receive autonomic stimulation from the same nerves, (c) sympathetic and parasympathetic fibers have similar effects, (d) all of these are correct.
Open QuestionDuring sympathetic stimulation, a person may begin to feel 'on edge'; this is the result of (a) increased energy metabolism by muscle tissue, (b) increased cardiovascular activity, (c) stimulation of the reticular activating system, (d) temporary insensitivity to painful stimuli, (e) decreased levels of epinephrine in the blood.
Open QuestionUnder which of the following circumstances would the diameter of peripheral blood vessels be greatest? (a) increased sympathetic stimulation, (b) decreased sympathetic stimulation, (c) increased parasympathetic stimulation, (d) decreased parasympathetic stimulation, (e) both increased parasympathetic and sympathetic stimulation.
Open QuestionYou are home alone at night when you hear what sounds like breaking glass. What physiological effects would this experience probably produce, and what would be their cause?
Open QuestionThe condition known as shock is characterized in part by a decreased return of venous blood to the heart. How could an upsetting situation, such as the sight of a tragic accident or very bad news, produce some temporary symptoms of shock?