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by BlastRoom
What each autonomic division does to a named organ, and which one is acting in a described situation.
#us_hs_anatomy_physiology
25 questions
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A student hears a crash; her pupils widen, her palms sweat, and her heart pounds. Which division produced those changes?
After a large meal, a student's pulse slows slightly, saliva increases, and the gut wall moves food along. Which division is acting?
At the start of a sprint, bronchioles open wider and the liver releases more glucose into the blood. Which division is acting?
While resting quietly, a student's pupils narrow for close reading and stomach secretions rise. Which division is acting?
During a sudden cold shock, skin blood vessels narrow and the heart beats faster. Which division is acting?
A roller coaster drops; a rider's heart accelerates and stomach motility falls. Which division produced this pattern?
Before giving a speech, a student's mouth feels dry, heart rate rises, and digestion slows. Which division is dominating?
Sympathetic output reaches the ventricular muscle of the heart. What happens to the force of contraction?
Sympathetic output reaches the radial muscle of the iris. What happens to the pupil?
Parasympathetic output reaches intestinal smooth muscle after a meal. What does it do to gut motility?
Sympathetic output reaches bronchioles before intense exercise. What happens to airway diameter?
Parasympathetic output reaches the salivary glands when food is smelled. What happens to watery secretion?
Sympathetic output reaches sweat glands in the skin. What happens to sweat production?
Sympathetic output reaches the liver during acute stress. What happens to glucose release into the blood?
Sympathetic output reaches skin blood vessels during cold stress. What happens to the vessel diameter?
Both autonomic divisions reach the sinoatrial node. What does parasympathetic traffic do to the rate it sets?
The iris receives both autonomic divisions. What does parasympathetic traffic do to pupil diameter compared with sympathetic traffic?
Both divisions reach the digestive tract. During stress, what does sympathetic traffic do to motility compared with parasympathetic traffic?
Both divisions can affect bronchioles. What does parasympathetic traffic tend to do to airway diameter at rest?
During urination, which bladder effect opposes sympathetic storage signals?
Which transmitter do postganglionic sympathetic fibers release onto most target organs?
Which transmitter do postganglionic parasympathetic fibers release at their target organs?
In both autonomic divisions, which transmitter is released by preganglionic neurons in autonomic ganglia?
Sympathetic preganglionic neurons leave the central nervous system from which region?
Where are parasympathetic ganglia usually located relative to their target organs?
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40 questions
