Podcast
Questions and Answers
Which nervous system is more widely distributed, innervating practically all effector systems in the body?
Which nervous system is more widely distributed, innervating practically all effector systems in the body?
- Somatic nervous system
- Parasympathetic nervous system
- Autonomic nervous system
- Sympathetic nervous system (correct)
What is the main factor for controlling the heart rate?
What is the main factor for controlling the heart rate?
- Sympathetic nervous system
- Parasympathetic nervous system
- Vagus nerve (correct)
- Adrenal medulla
Which type of signaling involves the release of hormones into the bloodstream to exert effects on broadly distributed target cells in the body?
Which type of signaling involves the release of hormones into the bloodstream to exert effects on broadly distributed target cells in the body?
- Neurotransmission
- Hormone signaling (correct)
- Synaptic signaling
- Local mediators
Which division's distribution is more limited, with mostly one-to-one interactions and close ganglia to organs they innervate?
Which division's distribution is more limited, with mostly one-to-one interactions and close ganglia to organs they innervate?
Which type of nervous system innervates skeletal muscles and is under voluntary control?
Which type of nervous system innervates skeletal muscles and is under voluntary control?
What triggers the release of specific chemical signals, called neurotransmitters, from the nerve terminals?
What triggers the release of specific chemical signals, called neurotransmitters, from the nerve terminals?
Which system coordinates the regulation and integration of bodily functions along with the endocrine system?
Which system coordinates the regulation and integration of bodily functions along with the endocrine system?
How does the nervous system exert its influence on target tissues?
How does the nervous system exert its influence on target tissues?
What are drugs that produce their primary therapeutic effect by mimicking or altering the functions of the autonomic nervous system called?
What are drugs that produce their primary therapeutic effect by mimicking or altering the functions of the autonomic nervous system called?
How do autonomic agents act in influencing the autonomic nervous system?
How do autonomic agents act in influencing the autonomic nervous system?
What does this chapter outline in terms of the autonomic nervous system physiology?
What does this chapter outline in terms of the autonomic nervous system physiology?
What is the role of neurotransmitters in the communication between extracellular events and chemical changes within the cell?
What is the role of neurotransmitters in the communication between extracellular events and chemical changes within the cell?
Which system controls the motility, exocrine and endocrine secretions, and microcirculation of the GI tract independently of the CNS?
Which system controls the motility, exocrine and endocrine secretions, and microcirculation of the GI tract independently of the CNS?
What is the main function of the parasympathetic nervous system?
What is the main function of the parasympathetic nervous system?
During 'fight or flight' situations, what is the primary effect of the sympathetic nervous system on blood vessels in the skin, mucous membranes, and splanchnic area?
During 'fight or flight' situations, what is the primary effect of the sympathetic nervous system on blood vessels in the skin, mucous membranes, and splanchnic area?
What does sympathetic stimulation result in regarding the function of the bladder and sexual organs?
What does sympathetic stimulation result in regarding the function of the bladder and sexual organs?
What is the role of the CNS in controlling autonomic functions?
What is the role of the CNS in controlling autonomic functions?
What happens when a fall in blood pressure occurs?
What happens when a fall in blood pressure occurs?
Which division of the nervous system includes neurons located outside the brain and spinal cord?
Which division of the nervous system includes neurons located outside the brain and spinal cord?
What is the primary function of the autonomic nervous system?
What is the primary function of the autonomic nervous system?
Where are the ganglia located in the autonomic nervous system?
Where are the ganglia located in the autonomic nervous system?
From which spinal cord regions do the preganglionic neurons of the sympathetic nervous system originate?
From which spinal cord regions do the preganglionic neurons of the sympathetic nervous system originate?
What is the function of the enteric nervous system?
What is the function of the enteric nervous system?
Which term is used to describe neural pathways that mediate a reflex action?
Which term is used to describe neural pathways that mediate a reflex action?
What is the primary chemical signal in the autonomic nervous system?
What is the primary chemical signal in the autonomic nervous system?
Which neurotransmitter mediates the transmission of nerve impulses across autonomic ganglia in both the sympathetic and parasympathetic nervous systems?
Which neurotransmitter mediates the transmission of nerve impulses across autonomic ganglia in both the sympathetic and parasympathetic nervous systems?
What type of fibers are those termed adrenergic?
What type of fibers are those termed adrenergic?
Which of the following is not one of the six most commonly involved signal compounds in the nervous system?
Which of the following is not one of the six most commonly involved signal compounds in the nervous system?
What do neurotransmitter receptors provide?
What do neurotransmitter receptors provide?
Which component serves as a link in the communication between extracellular events and chemical changes within the cell?
Which component serves as a link in the communication between extracellular events and chemical changes within the cell?
Which type of receptors are directly linked to membrane ion channels?
Which type of receptors are directly linked to membrane ion channels?
What is the primary role of second-messenger molecules in receptor signaling?
What is the primary role of second-messenger molecules in receptor signaling?
Which protein is involved in the activation of adenylyl cyclase?
Which protein is involved in the activation of adenylyl cyclase?
What is the effect of Gq protein activation?
What is the effect of Gq protein activation?
Which neurotransmitter is specifically mentioned in relation to chemically gated ion channels?
Which neurotransmitter is specifically mentioned in relation to chemically gated ion channels?
What is the role of adenylyl cyclase in the cell?
What is the role of adenylyl cyclase in the cell?
Which system is associated with protein phosphorylation and increased intracellular Ca2+?
Which system is associated with protein phosphorylation and increased intracellular Ca2+?
What is the ultimate effect of second-messenger molecules on the cell?
What is the ultimate effect of second-messenger molecules on the cell?
