Podcast
Questions and Answers
Which ganglion sends branches to spinal nerves C7, C8, T1?
Which ganglion sends branches to spinal nerves C7, C8, T1?
- Superior cervical ganglion
- Middle ganglion
- Inferior ganglion (correct)
- None of the above
Which artery do branches from the middle ganglion follow to reach the larynx and trachea?
Which artery do branches from the middle ganglion follow to reach the larynx and trachea?
- Subclavian artery
- Internal carotid artery (ICA)
- External carotid artery (ECA)
- Inferior thyroid artery (correct)
Which nerves do branches from the superior cervical ganglion supply?
Which nerves do branches from the superior cervical ganglion supply?
- Larynx and trachea
- Upper esophagus
- Orbit and face (correct)
- Pharynx and oral cavities
Which regions are innervated by sympathetic branches hitch-hiking along the subclavian and vertebral arteries?
Which regions are innervated by sympathetic branches hitch-hiking along the subclavian and vertebral arteries?
Which ganglion sends branches to spinal nerves C5-C6 to reach the upper esophagus?
Which ganglion sends branches to spinal nerves C5-C6 to reach the upper esophagus?
Where do preganglionic fibers responsible for innervating the contents of the abdominopelvic cavity pass through?
Where do preganglionic fibers responsible for innervating the contents of the abdominopelvic cavity pass through?
Which spinal segments give rise to the preganglionic fibers supplying the head and neck?
Which spinal segments give rise to the preganglionic fibers supplying the head and neck?
Where do the postganglionic sympathetic fibers responsible for innervating the viscera of the thoracic cavity pass through?
Where do the postganglionic sympathetic fibers responsible for innervating the viscera of the thoracic cavity pass through?
Which ganglion is located at C7 and is often fused with the first thoracic ganglion?
Which ganglion is located at C7 and is often fused with the first thoracic ganglion?
What is the role of the parasympathetic nervous system in regards to the bronchiolar diameter?
What is the role of the parasympathetic nervous system in regards to the bronchiolar diameter?
From which segment do the preganglionic fibers supplying the head and neck enter the sympathetic chain?
From which segment do the preganglionic fibers supplying the head and neck enter the sympathetic chain?
How does the parasympathetic nervous system affect vision during accommodation?
How does the parasympathetic nervous system affect vision during accommodation?
Which nervous system mediates digestion of food and absorption of nutrients?
Which nervous system mediates digestion of food and absorption of nutrients?
What clinical condition results from the interruption of the sympathetic supply to the eye?
What clinical condition results from the interruption of the sympathetic supply to the eye?
Which lesion can lead to Horner’s Syndrome?
Which lesion can lead to Horner’s Syndrome?
Which nerve is dominant in providing innervation to all the thoracic viscera and most of the gastrointestinal tract from esophagus through the left colic flexure?
Which nerve is dominant in providing innervation to all the thoracic viscera and most of the gastrointestinal tract from esophagus through the left colic flexure?
Which part of the digestive system is predominantly innervated by the sacral outflow of the parasympathetic nervous system?
Which part of the digestive system is predominantly innervated by the sacral outflow of the parasympathetic nervous system?
Which system is more restricted in distribution, the parasympathetic or sympathetic nervous system?
Which system is more restricted in distribution, the parasympathetic or sympathetic nervous system?
Which of the following organs would NOT be directly affected by the parasympathetic nervous system?
Which of the following organs would NOT be directly affected by the parasympathetic nervous system?
Which part of the body does the parasympathetic nervous system NOT reach apart from external genitalia?
Which part of the body does the parasympathetic nervous system NOT reach apart from external genitalia?
Where do preganglionic fibers for head and neck innervation synapse?
Where do preganglionic fibers for head and neck innervation synapse?
Which ganglion is responsible for synapsing preganglionic fibers from T12 for abdominopelvic innervation?
Which ganglion is responsible for synapsing preganglionic fibers from T12 for abdominopelvic innervation?
What is the route of postganglionic fibers supplying the thoracic cavity?
What is the route of postganglionic fibers supplying the thoracic cavity?
Where do postganglionic fibers responsible for the dilator muscle of the iris have their cell bodies?
Where do postganglionic fibers responsible for the dilator muscle of the iris have their cell bodies?
What is the fate of preganglionic fibers innervating the viscera within the abdominopelvic cavity?
What is the fate of preganglionic fibers innervating the viscera within the abdominopelvic cavity?
Where are the preganglionic parasympathetic neuron cell bodies located?
Where are the preganglionic parasympathetic neuron cell bodies located?
Which region receives parasympathetic innervation from the sacral outflow?
Which region receives parasympathetic innervation from the sacral outflow?
What is the characteristic of the postganglionic parasympathetic neuron cell bodies?
What is the characteristic of the postganglionic parasympathetic neuron cell bodies?
Which part of the body does the cranial parasympathetic outflow provide innervation to?
Which part of the body does the cranial parasympathetic outflow provide innervation to?
What is the location where synapses occur in the sympathetic nervous system?
What is the location where synapses occur in the sympathetic nervous system?
Which nervous system response corresponds with arousal, energy generation, and inhibits digestion?
Which nervous system response corresponds with arousal, energy generation, and inhibits digestion?
What effect does the parasympathetic nervous system have on blood vessels leading to the gastrointestinal (GI) tract?
What effect does the parasympathetic nervous system have on blood vessels leading to the gastrointestinal (GI) tract?
Which nervous system response dilates bronchioles of the lung for greater alveolar oxygen exchange?
Which nervous system response dilates bronchioles of the lung for greater alveolar oxygen exchange?
What does the sympathetic nervous system do to the pupils and ciliary muscle of the eye?
What does the sympathetic nervous system do to the pupils and ciliary muscle of the eye?
Which nervous system response provides vasodilation for the coronary vessels of the heart?
Which nervous system response provides vasodilation for the coronary vessels of the heart?
How does the parasympathetic nervous system affect peristalsis?
How does the parasympathetic nervous system affect peristalsis?
What is the main effect of the sympathetic nervous system on skeletal muscles and the lungs?
What is the main effect of the sympathetic nervous system on skeletal muscles and the lungs?
How does the sympathetic nervous system affect the intestinal sphincters?
How does the sympathetic nervous system affect the intestinal sphincters?
Which of the following responses is characteristic of the parasympathetic nervous system?
Which of the following responses is characteristic of the parasympathetic nervous system?
What is the effect of sympathetic stimulation on urinary sphincters?
What is the effect of sympathetic stimulation on urinary sphincters?
