38 Questions
What is the main neurotransmitter at the ganglionic synapse in the sympathetic nervous system?
Acetylcholine (ACH)
Which division of the autonomic nervous system controls generally involuntary physiologic functions?
Parasympathetic
In which segment does the parasympathetic division of the autonomic nervous system branch through?
Cranial and sacral
Which receptor type is mainly stimulated by beta-adrenergic drugs?
β1-receptors
What is the enzyme that metabolizes excess acetylcholine (ACH) at the parasympathetic nerve ending?
Acetylcholinesterase (ACHE)
Which neurotransmitter is stored in the nerve terminal and released with a nerve impulse in the autonomic nervous system?
Norepinephrine (NE)
Which type of neuron has very long preganglionic neurons and short postganglionic neurons?
Parasympathetic division
Which division of the autonomic nervous system is generally dominant when the body is at rest?
Parasympathetic
What is the main neurotransmitter at the neuroeffector site in the parasympathetic system?
Acetylcholine (ACH)
Which receptor type is mainly stimulated by alpha-adrenergic drugs?
α1-receptors
Which receptor type is found throughout the body and is stimulated by muscarinic (M) receptors?
Nicotinic-1 (N1) receptors
Which receptor type is mainly stimulated by cholinergic drugs?
Muscarinic (M) receptors
What is the main neurotransmitter at the neuroeffector site in the sympathetic system?
Norepinephrine (NE)
Which division of the autonomic nervous system branches through thoracic and lumbar segments?
Sympathetic division
What is the enzyme that metabolizes excess acetylcholine (ACH) at the parasympathetic nerve ending?
Acetylcholinesterase (ACHE)
Which type of neuron has very long preganglionic neurons and short postganglionic neurons?
Parasympathetic preganglionic neuron
Which receptor type is found at all autonomic nervous system ganglion sites?
Nicotinic-1 (N1)
Which division of the autonomic nervous system generally decreases the cardiovascular system's activity?
Parasympathetic division
Which receptor type is mainly stimulated by adrenergic drugs to treat bradycardia?
β1-receptors
Which receptor type is mainly blocked by beta-blockers?
β1-receptors
Which type of drugs mimic sympathetic action and stimulate norepinephrine (NE) release?
Adrenergic drugs
Which receptor type is mainly stimulated by alpha-adrenergic drugs to cause vasoconstriction?
α1-receptors
Which type of drugs affect ganglion, parasympathetic neuroeffector site, or muscular junction by stimulating acetylcholine (ACH) release?
Cholinergic drugs
Which receptor type is mainly stimulated by beta-adrenergic drugs to treat heart failure by stimulating cardiac contractions?
β1-receptors
Which receptor type is mainly blocked by beta-blockers to decrease heart rate and force of heart contractions?
β1-receptors
In which segment does the parasympathetic division of the autonomic nervous system branch through?
Sacral
Which type of neuron has very long preganglionic neurons and short postganglionic neurons?
Parasympathetic preganglionic neuron
Which type of drugs mimic sympathetic action and stimulate norepinephrine (NE) release?
Adrenergic agents
What is the main neurotransmitter at the ganglionic synapse in the sympathetic nervous system?
Acetylcholine (ACH)
Which receptor type is found at all autonomic nervous system ganglion sites?
Nicotinic-1 (N1) receptors
What is the main neurotransmitter at the neuroeffector site in the sympathetic system?
Norepinephrine (NE)
Which neurotransmitter is stored in the nerve terminal and released with a nerve impulse in the autonomic nervous system?
Acetylcholine (ACH)
Which receptor type is mainly stimulated by cholinergic drugs?
Muscarinic (M) receptors
Which receptor type is mainly stimulated by alpha-adrenergic drugs?
α-receptors
What is the main neurotransmitter at the neuroeffector site in the parasympathetic system?
Acetylcholine (ACH)
What is the main function of the sympathetic nervous system?
To stimulate the body for the 'fight or flight' response during potential danger
What is the primary role of the parasympathetic nervous system?
To inhibit the body from overworking and restore it to a calm state
Which neurotransmitter is primarily associated with the sympathetic nervous system's ganglionic synapse?
Norepinephrine (NE)
Test your knowledge of the nervous system with this quiz. Learn about the divisions of the nervous system, how signals are sent through neurons, and the functions of the autonomic and somatic nervous systems. Perfect for students of biology and neuroscience.
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