22 Questions
Where do preganglionic axons exit the spinal cord?
Ventral root
What is the function of the white ramus?
To separate from the ventral root
Where do preganglionic axons synapse with postganglionic neurons?
In the paravertebral ganglia
What is the neurotransmitter released in the parasympathetic system at both levels?
Acetyl choline
What is the neurotransmitter released in the sympathetic nervous system onto target organs?
Noradrenaline
What is the function of splanchnic nerves?
To pass through without synapsing
What is the difference between hormones and neurotransmitters?
All of the above
What is the main function of the vertebrae in the human body?
To create vertical alignment and protection for the spinal cord
Where are the pre-ganglionic neurons located in the autonomic nervous system?
In the CNS (Central Nervous System)
What is the primary function of the sympathetic nervous system?
To facilitate the fight or flight response
How many cervical vertebrae are there in the human spine?
7
What is the filum terminale?
The end of the spinal cord
Where are the sympathetic ganglia located?
Along the spinal cord
What is the main difference between the sympathetic and parasympathetic nervous systems?
Their response to stress (fight or flight vs. relaxation)
What is the primary effect of the parasympathetic nervous system on heart contractions?
Decreased rate and force of heart contractions
What is the result of vasoconstriction caused by the sympathetic nervous system?
Shunts blood to vital organs
What is released by the sympathetic nervous system to increase glucose levels?
Adrenaline
What is the effect of the parasympathetic nervous system on gastrointestinal activity?
Increased gastrointestinal activity
What is the result of damage to the spinal cord in terms of ANS function?
Location-specific ANS dysfunction
What is the effect of the sympathetic nervous system on pupils?
Dilates pupils
What is the effect of the parasympathetic nervous system on airways?
Constricts airways
What determines the effects of the ANS on target organs?
The type of neurotransmitter released
Learn about the physiological and anatomical differences between the sympathetic and parasympathetic nervous systems, neurotransmitters, and consequences of autonomic dysfunction. This quiz covers the basics of the autonomic nervous system and its functions.
Make Your Own Quizzes and Flashcards
Convert your notes into interactive study material.
Get started for free
