Podcast
Questions and Answers
What is the main function of the sympathetic division of the autonomic nervous system?
What is the main function of the sympathetic division of the autonomic nervous system?
- Initiating the fight or flight response (correct)
- Supporting the enteric nervous system
- Controlling cardiac and smooth muscles
- Promoting rest and digest activities
Where do sympathetic signals come from in the thoracolumbar system?
Where do sympathetic signals come from in the thoracolumbar system?
- Coccygeal and inferior lumbar nerves
- Thoracic and superior lumbar nerves (correct)
- Facial and trigeminal nerves
- Cervical and sacral nerves
Where does a preganglionic fiber travel from in the sympathetic division?
Where does a preganglionic fiber travel from in the sympathetic division?
- Spinal cord to sympathetic ganglion (correct)
- Sympathetic ganglion to target effector
- Brainstem to target effector
- Spinal cord to adrenal medulla
Which part of the autonomic nervous system receives direct connection from preganglionic fibers to release molecules?
Which part of the autonomic nervous system receives direct connection from preganglionic fibers to release molecules?
What is the function of the parasympathetic division of the autonomic nervous system?
What is the function of the parasympathetic division of the autonomic nervous system?
How many ganglia are there on each side of the spinal cord in the sympathetic chain ganglia?
How many ganglia are there on each side of the spinal cord in the sympathetic chain ganglia?
What type of fiber is a postganglionic fiber in the sympathetic division?
What type of fiber is a postganglionic fiber in the sympathetic division?
What does a preganglionic fiber have direct connection with in the sympathetic division?
What does a preganglionic fiber have direct connection with in the sympathetic division?
What is the primary role of the divisions of the autonomic nervous system?
What is the primary role of the divisions of the autonomic nervous system?
Which type of synapse involves the release of norepinephrine to either an alpha receptor or a beta receptor?
Which type of synapse involves the release of norepinephrine to either an alpha receptor or a beta receptor?
What is the role of the enteric nervous system?
What is the role of the enteric nervous system?
What would be the heart rate without the parasympathetic signal to slow it down?
What would be the heart rate without the parasympathetic signal to slow it down?
Which part of the brain is responsible for emotion and memory function?
Which part of the brain is responsible for emotion and memory function?
Which type of drug enhances adrenergic function by binding to receptors and increasing norepinephrine production and release?
Which type of drug enhances adrenergic function by binding to receptors and increasing norepinephrine production and release?
What is the main effect of sympatholytic drugs?
What is the main effect of sympatholytic drugs?
Which central structure receives much input from the hypothalamus and is involved in regulating cardiovascular function?
Which central structure receives much input from the hypothalamus and is involved in regulating cardiovascular function?
What does nicotine do in the autonomic nervous system?
What does nicotine do in the autonomic nervous system?
What is the conscious perception of autonomic sensation called?
What is the conscious perception of autonomic sensation called?
What type of synapse involves Ach released to either a nicotinic receptor or a muscarinic receptor?
What type of synapse involves Ach released to either a nicotinic receptor or a muscarinic receptor?
