Podcast
Questions and Answers
Which part of the nervous system controls skeletal muscles?
Which part of the nervous system controls skeletal muscles?
- Autonomic
- Sympathetic
- Parasympathetic
- Somatic (correct)
What is the main function of the sympathetic division of the autonomic nervous system?
What is the main function of the sympathetic division of the autonomic nervous system?
- Dilate blood vessels to digestive organs and decrease blood flow to muscles
- Activate sweat glands, increase blood pressure, and reduce blood flow to muscle
- Constrict eyes and bronchioles, decrease heart rate, and release serotonin and dopamine
- Dilate eyes and bronchioles, increase heart rate, and release epinephrine and norepinephrine (correct)
From which part of the spinal cord does the sympathetic division originate?
From which part of the spinal cord does the sympathetic division originate?
- Thoracolumbar (correct)
- Lumbar
- Sacral
- Cervical
How many chain ganglia are there on either side of the vertebral column?
How many chain ganglia are there on either side of the vertebral column?
Which ganglia are associated with the enteric nervous system dealing with digestion and absorption?
Which ganglia are associated with the enteric nervous system dealing with digestion and absorption?
What is the main function of the parasympathetic division of the autonomic nervous system?
What is the main function of the parasympathetic division of the autonomic nervous system?
What type of synapse is activated by acetylcholine?
What type of synapse is activated by acetylcholine?
Which cranial nerve carries fibers to control pupil size?
Which cranial nerve carries fibers to control pupil size?
Where do parasympathetic fibers run to?
Where do parasympathetic fibers run to?
What type of receptors does the adrenergic system have?
What type of receptors does the adrenergic system have?
What is the function of varicosities in the autonomic nervous system?
What is the function of varicosities in the autonomic nervous system?
In which system do most fibers come from nuclei of the brain and follow the cranial nerves?
In which system do most fibers come from nuclei of the brain and follow the cranial nerves?
What is the role of sympathetic fibers running to the adrenal medulla?
What is the role of sympathetic fibers running to the adrenal medulla?
Which type of fibers are myelinated and short before the ganglia?
Which type of fibers are myelinated and short before the ganglia?
Which type of reflex must synapse in the CNS before producing an efferent response?
Which type of reflex must synapse in the CNS before producing an efferent response?
What is the term for an area of a nerve that houses neurotransmitters and is spread through the length of the nerve in the autonomic nervous system?
What is the term for an area of a nerve that houses neurotransmitters and is spread through the length of the nerve in the autonomic nervous system?
Which type of receptors do most organs have for both sympathetic and parasympathetic stimulation?
Which type of receptors do most organs have for both sympathetic and parasympathetic stimulation?
In which system do most fibers come from nuclei of the brain and follow the cranial nerves?
In which system do most fibers come from nuclei of the brain and follow the cranial nerves?
What is the term for the phenomenon where conscious perception of autonomic pain is felt in an unexpected area?
What is the term for the phenomenon where conscious perception of autonomic pain is felt in an unexpected area?
Where are baroreceptors important for autonomic reflexes, especially for blood pressure regulation?
Where are baroreceptors important for autonomic reflexes, especially for blood pressure regulation?
What is the main function of the medulla in the autonomic nervous system?
What is the main function of the medulla in the autonomic nervous system?
Which part of the nervous system controls autonomic and endocrine function?
Which part of the nervous system controls autonomic and endocrine function?
How does nicotine affect the autonomic nervous system?
How does nicotine affect the autonomic nervous system?
What is the role of sympatholytic drugs in the autonomic nervous system?
What is the role of sympatholytic drugs in the autonomic nervous system?
What happens when a person experiences orthostatic hypotension?
What happens when a person experiences orthostatic hypotension?
Which part of the limbic lobe is involved in memory and emotional response?
Which part of the limbic lobe is involved in memory and emotional response?
What is the effect of sympathetic stimuli on blood vessels?
What is the effect of sympathetic stimuli on blood vessels?
Which chemicals are made by the body and affect the autonomic nervous system?
Which chemicals are made by the body and affect the autonomic nervous system?
What is the function of the dorsal longitudinal fasciculus in the autonomic nervous system?
What is the function of the dorsal longitudinal fasciculus in the autonomic nervous system?
Why is parasympathetic tone more dominant in certain organs?
Why is parasympathetic tone more dominant in certain organs?
