Podcast
Questions and Answers
What is the main role of the hypothalamus?
What is the main role of the hypothalamus?
- Regulation of autonomic and endocrine function (correct)
- Regulation of cardiovascular function
- Control of emotional and memory functions
- Control of somatic reflexes
Which drug has a large effect on the autonomic nervous system, can depolarize all nicotinic receptor synapses without acetylcholine present, and can cause an increase in blood pressure?
Which drug has a large effect on the autonomic nervous system, can depolarize all nicotinic receptor synapses without acetylcholine present, and can cause an increase in blood pressure?
- Caffeine
- Cocaine
- Phenylephrine
- Nicotine (correct)
How does a sympathomimetic drug enhance adrenergic function?
How does a sympathomimetic drug enhance adrenergic function?
- By reducing norepinephrine production and release
- By blocking removal of norepinephrine
- By binding to receptors and increasing norepinephrine production and release (correct)
- By decreasing blood pressure
Which part of the brain is responsible for emotion and memory function, with a strong connection to the hypothalamus?
Which part of the brain is responsible for emotion and memory function, with a strong connection to the hypothalamus?
In the context of drugs affecting the autonomic nervous system, what does 'exogenous chemical' refer to?
In the context of drugs affecting the autonomic nervous system, what does 'exogenous chemical' refer to?
What effect does a sympatholytic drug have on adrenergic function?
What effect does a sympatholytic drug have on adrenergic function?
What is the second signaling molecule in the adrenergic synapse?
What is the second signaling molecule in the adrenergic synapse?
Which type of receptor does norepinephrine bind to in the adrenergic synapse?
Which type of receptor does norepinephrine bind to in the adrenergic synapse?
What is the function of norepinephrine in the sympathetic division?
What is the function of norepinephrine in the sympathetic division?
Which branch of the autonomic system reacts to stretch stimuli in the aorta and carotid arteries?
Which branch of the autonomic system reacts to stretch stimuli in the aorta and carotid arteries?
What type of reflex has a synapse located in the ganglia and is a completely peripheral, local response?
What type of reflex has a synapse located in the ganglia and is a completely peripheral, local response?
Without the parasympathetic signal, what would the heart rate be?
Without the parasympathetic signal, what would the heart rate be?
Where do sympathetic signals come from in the thoracolumbar system?
Where do sympathetic signals come from in the thoracolumbar system?
Which division of the ANS is associated with 'fight or flight' response?
Which division of the ANS is associated with 'fight or flight' response?
Where do postganglionic fibers lead in the parasympathetic division?
Where do postganglionic fibers lead in the parasympathetic division?
Which part of the nervous system receives input from both sympathetic and parasympathetic divisions?
Which part of the nervous system receives input from both sympathetic and parasympathetic divisions?
Where does a preganglionic fiber in the parasympathetic division located in the brain go straight to?
Where does a preganglionic fiber in the parasympathetic division located in the brain go straight to?
What part of the nervous system has a direct connection to release molecules from preganglionic fibers?
What part of the nervous system has a direct connection to release molecules from preganglionic fibers?
