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Human Anatomy and Physiology Laboratory Manual, Cat Version13th EditionElaine Nicpon Marieb, Lori A. Smith 1,105 solutions The ANS consists of two divisions, parasympathetic and sympathetic, which normally exert antagonistic effects on many of the same target organs. The parasympathetic division (the rest-digest system) conserves body energy and maintains body activities at basal levels. Parasympathetic effects include constricted pupils, glandular secretion, increased digestive tract motility, and smooth muscle activity leading to elimination of feces and urine. The sympathetic division prepares the body for activity (the fight-or-flight system). Sympathetic responses include dilated pupils, increased heart rate, increased blood pressure, dilated bronchioles of the lungs, increased blood glucose levels, and sweating. During exercise, sympathetic vasoconstriction shunts blood from the skin and digestive viscera to the heart, brain, and skeletal muscles. Which of the following is a reaction of the sympathetic nervous system?Physiological changes induced by the sympathetic nervous system include accelerating the heart rate, widening bronchial passages, decreasing motility of the large intestine, dilating the pupils, and causing perspiration.
Which of the following is an action of the sympathetic nervous system quizlet?The sympathetic nervous system increases arousal of the muscles, organs and glands and prepares the body for vigorous activity. Arouses us for defensive action. Pupils dilate, heart accelerates, bladder constricts, lungs increase, adrenal glands release adrenalin, stomach decreases contractions.
What reaction is the result of sympathetic nervous system stimulation?In the heart (beta-1, beta-2), sympathetic activation causes an increased heart rate, the force of contraction, and rate of conduction, allowing for increased cardiac output to supply the body with oxygenated blood.
Which of the following is a reaction from the activation of the sympathetic nervous system quizlet?Sympathetic responses include dilated pupils, increased heart rate, increased blood pressure, dilated bronchioles of the lungs, increased blood glucose levels, and sweating.
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