Podcast
Questions and Answers
Which of the following receptors are activated by muscarine, a toadstool poison?
Which of the following receptors are activated by muscarine, a toadstool poison?
Which of the following receptors are ligand-gated ion channels?
Which of the following receptors are ligand-gated ion channels?
Which of the following receptors are activated by nicotine?
Which of the following receptors are activated by nicotine?
Which of the following receptors use a G protein signaling mechanism?
Which of the following receptors use a G protein signaling mechanism?
Signup and view all the answers
Which 2 receptors are activated by acetylcholine?
Which 2 receptors are activated by acetylcholine?
Signup and view all the answers
Which of the following receptors are linked to a different G protein?
Which of the following receptors are linked to a different G protein?
Signup and view all the answers
Which of the following receptors are primarily activated by norepinephrine (NE)?
Which of the following receptors are primarily activated by norepinephrine (NE)?
Signup and view all the answers
Which of the following receptors are equally activated by epinephrine (Epi) and norepinephrine (NE)?
Which of the following receptors are equally activated by epinephrine (Epi) and norepinephrine (NE)?
Signup and view all the answers
Which of the following receptors have a greater effect on stimulating the heart?
Which of the following receptors have a greater effect on stimulating the heart?
Signup and view all the answers
Which of the following receptors have a greater effect on constricting blood vessels?
Which of the following receptors have a greater effect on constricting blood vessels?
Signup and view all the answers
Which neurotransmitter is primarily secreted by cholinergic fibers in the autonomic nervous system?
Which neurotransmitter is primarily secreted by cholinergic fibers in the autonomic nervous system?
Signup and view all the answers
What percentage of all parasympathetic nerve fibers are found in the vagus nerves?
What percentage of all parasympathetic nerve fibers are found in the vagus nerves?
Signup and view all the answers
Which branch of the autonomic nervous system primarily innervates the airways of the lungs?
Which branch of the autonomic nervous system primarily innervates the airways of the lungs?
Signup and view all the answers
Which type of nerve fibers secrete norepinephrine (NE) in the autonomic nervous system?
Which type of nerve fibers secrete norepinephrine (NE) in the autonomic nervous system?
Signup and view all the answers
Which cranial nerves of the parasympathetic nervous system have interruptions in their preganglionic fibers?
Which cranial nerves of the parasympathetic nervous system have interruptions in their preganglionic fibers?
Signup and view all the answers
Which neurotransmitter is primarily secreted by most postganglionic fibers in the parasympathetic nervous system?
Which neurotransmitter is primarily secreted by most postganglionic fibers in the parasympathetic nervous system?
Signup and view all the answers
Which neurotransmitter is primarily secreted by most postganglionic fibers in the sympathetic nervous system?
Which neurotransmitter is primarily secreted by most postganglionic fibers in the sympathetic nervous system?
Signup and view all the answers
Which type of nerve fibers are present in both the sympathetic and parasympathetic nervous systems?
Which type of nerve fibers are present in both the sympathetic and parasympathetic nervous systems?
Signup and view all the answers
Which branch of the autonomic nervous system primarily secretes acetylcholine (ACh)?
Which branch of the autonomic nervous system primarily secretes acetylcholine (ACh)?
Signup and view all the answers
Which branch of the autonomic nervous system primarily secretes norepinephrine (NE)?
Which branch of the autonomic nervous system primarily secretes norepinephrine (NE)?
Signup and view all the answers
