Podcast
Questions and Answers
Which neurotransmitter is the primary one for postganglionic sympathetic adrenergic nerves?
Which neurotransmitter is the primary one for postganglionic sympathetic adrenergic nerves?
- Epinephrine
- Norepinephrine (correct)
- Dopamine
- Acetylcholine
What is the term used for a neuron when its transmission is mediated by acetylcholine?
What is the term used for a neuron when its transmission is mediated by acetylcholine?
- Adrenergic
- Dopaminergic
- Norepinephrinergic
- Cholinergic (correct)
Which receptor type is part of the parasympathetic system and is innervated by acetylcholine?
Which receptor type is part of the parasympathetic system and is innervated by acetylcholine?
- Nicotinic receptor
- Dopaminergic receptor
- Muscarinic receptor (correct)
- Adrenergic receptor
What is the neurotransmitter for nicotinic receptors?
What is the neurotransmitter for nicotinic receptors?
What is the primary therapeutic use of epinephrine?
What is the primary therapeutic use of epinephrine?
Which receptor type predominates in the therapeutic use of epinephrine for anaphylactic shock?
Which receptor type predominates in the therapeutic use of epinephrine for anaphylactic shock?
What is the primary therapeutic use of norepinephrine?
What is the primary therapeutic use of norepinephrine?
Which receptor type predominantly affects vasoconstriction in the cardiovascular system?
Which receptor type predominantly affects vasoconstriction in the cardiovascular system?
What is the action of dopamine on D1 receptors?
What is the action of dopamine on D1 receptors?
Which category of adrenergic drugs acts on receptors stimulated by epinephrine and norepinephrine?
Which category of adrenergic drugs acts on receptors stimulated by epinephrine and norepinephrine?
What is the action of isoproterenol on the pulmonary system?
What is the action of isoproterenol on the pulmonary system?
Which agent causes release of norepinephrine from presynaptic terminals and increases NE release?
Which agent causes release of norepinephrine from presynaptic terminals and increases NE release?
Which system controls the brain's internal regulation and is essential for survival?
Which system controls the brain's internal regulation and is essential for survival?
Where do specialized endocrine cells secrete hormones?
Where do specialized endocrine cells secrete hormones?
Which molecules rapidly diffuse across the synaptic cleft between neurons?
Which molecules rapidly diffuse across the synaptic cleft between neurons?
What do histamines and prostaglandins serve as examples of?
What do histamines and prostaglandins serve as examples of?
Which division of the nervous system carries signals away from the brain and spinal cord to peripheral tissue?
Which division of the nervous system carries signals away from the brain and spinal cord to peripheral tissue?
What do somatic efferent neurons control voluntarily?
What do somatic efferent neurons control voluntarily?
Where does the spinal cord finish, according to the text?
Where does the spinal cord finish, according to the text?
What is the function of a preganglionic neuron in the autonomic nervous system?
What is the function of a preganglionic neuron in the autonomic nervous system?
What is the mechanism of action of adrenergic agonists?
What is the mechanism of action of adrenergic agonists?
Which of the following best describes the effect of alpha 2 receptor activation?
Which of the following best describes the effect of alpha 2 receptor activation?
What are the characteristics of catecholamines as adrenergic agonists?
What are the characteristics of catecholamines as adrenergic agonists?
How do noncatecholamines differ from catecholamines as adrenergic agonists?
How do noncatecholamines differ from catecholamines as adrenergic agonists?
Which structural feature contributes to the high potency of catechol derivatives in directly activating alpha or beta receptors?
Which structural feature contributes to the high potency of catechol derivatives in directly activating alpha or beta receptors?
Which adrenergic drug has an alternative use for shock treatment and may be used to treat acute hypotension?
Which adrenergic drug has an alternative use for shock treatment and may be used to treat acute hypotension?
What is the role of monoamine oxidase (MAO) in the inactivation of noncatecholamines?
What is the role of monoamine oxidase (MAO) in the inactivation of noncatecholamines?
What is a common side effect associated with adrenergic agonists?
What is a common side effect associated with adrenergic agonists?
Which step results from the activation of alpha 1 receptor through G protein activation of phospholipase C?
Which step results from the activation of alpha 1 receptor through G protein activation of phospholipase C?
What is the effect of ephedrine as an adrenergic agonist?
What is the effect of ephedrine as an adrenergic agonist?
What is the role of desensitization in adrenergic receptors?
What is the role of desensitization in adrenergic receptors?
