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Questions and Answers
Where does the spinal cord end in humans?
Where does the spinal cord end in humans?
- At the foramen magnum of the skull
- Below the ribs
- At the second lumbar vertebra (correct)
- At the first lumbar vertebra
What is the purpose of the meninges surrounding the spinal cord?
What is the purpose of the meninges surrounding the spinal cord?
- To produce hormones
- To provide oxygen to the spinal cord
- To regulate body temperature
- To cushion and protect the spinal cord (correct)
What is the name given to the collection of spinal nerves at the inferior end of the vertebral canal?
What is the name given to the collection of spinal nerves at the inferior end of the vertebral canal?
- Cauda Equina (correct)
- Spinal Tail
- Horse's Mane
- Nerve Bundle
What do the dorsal horns of the spinal cord contain?
What do the dorsal horns of the spinal cord contain?
Where are the cell bodies of sensory neurons found in relation to the spinal cord?
Where are the cell bodies of sensory neurons found in relation to the spinal cord?
Which part of the spinal cord resembles a butterfly or letter H in cross-section?
Which part of the spinal cord resembles a butterfly or letter H in cross-section?
Where are the preganglionic neurons of the parasympathetic division located in the spinal cord?
Where are the preganglionic neurons of the parasympathetic division located in the spinal cord?
Which division of the autonomic nervous system is also known as the craniosacral division?
Which division of the autonomic nervous system is also known as the craniosacral division?
Where do the preganglionic axons of the sympathetic division leave the spinal cord?
Where do the preganglionic axons of the sympathetic division leave the spinal cord?
Which nerves form the pelvic splanchnic nerves in the sacral region?
Which nerves form the pelvic splanchnic nerves in the sacral region?
Where does the sympathetic trunk lie along in the body?
Where does the sympathetic trunk lie along in the body?
What type of nerves do the preganglionic axons of the sympathetic division form after reaching the ganglion?
What type of nerves do the preganglionic axons of the sympathetic division form after reaching the ganglion?
Which part of the spinal nerve divides into dorsal and ventral rami shortly after being formed?
Which part of the spinal nerve divides into dorsal and ventral rami shortly after being formed?
Which nerve serves the diaphragm, skin, and muscles of the shoulder and neck?
Which nerve serves the diaphragm, skin, and muscles of the shoulder and neck?
Which of the following muscles is served by the ulnar nerve?
Which of the following muscles is served by the ulnar nerve?
What is the function of the ventral rami of spinal nerves T1 through T12?
What is the function of the ventral rami of spinal nerves T1 through T12?
Which nerve serves the triceps and extensor muscles of the forearm?
Which nerve serves the triceps and extensor muscles of the forearm?
What is the origin of the cervical plexus?
What is the origin of the cervical plexus?
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