Podcast
Questions and Answers
Which part of the body is innervated by the trigeminal nerve (CN V)?
Which part of the body is innervated by the trigeminal nerve (CN V)?
- Face & anterior scalp (correct)
- Limbs
- Back
- Neck
Which spinal nerves have different distributions for sensory and motor information?
Which spinal nerves have different distributions for sensory and motor information?
- Trigeminal nerve (CN V)
- Cervical plexus C2-C3
- Sacral plexus
- Ventral & dorsal rami (correct)
Which spinal segment innervates the great (big) toe?
Which spinal segment innervates the great (big) toe?
- C5
- S1
- L4 (correct)
- T2
What is the key dermatome for the middle finger?
What is the key dermatome for the middle finger?
Which connective tissue layer surrounds the spinal cord and nerve roots, acting as a 'shrink wrap'?
Which connective tissue layer surrounds the spinal cord and nerve roots, acting as a 'shrink wrap'?
In carpal tunnel syndrome, which nerve is often compressed leading to symptoms like tingling and numbness?
In carpal tunnel syndrome, which nerve is often compressed leading to symptoms like tingling and numbness?
Which layer of the meninges is described as delicate, avascular, and semitransparent?
Which layer of the meninges is described as delicate, avascular, and semitransparent?
What type of information is carried by the Median nerve when it functions properly?
What type of information is carried by the Median nerve when it functions properly?
Which layer of the meninges is described as tough and dense connective tissue that covers the nerve roots like a sleeve?
Which layer of the meninges is described as tough and dense connective tissue that covers the nerve roots like a sleeve?
Which structure in the spinal cord does NOT participate in forming a plexus?
Which structure in the spinal cord does NOT participate in forming a plexus?
Which region of the spinal cord gives rise to the Cervical Plexus?
Which region of the spinal cord gives rise to the Cervical Plexus?
In which segment of the spinal cord do the ventral rami form intercostal nerves?
In which segment of the spinal cord do the ventral rami form intercostal nerves?
Which spinal nerve region supplies the upper limb through the Brachial Plexus?
Which spinal nerve region supplies the upper limb through the Brachial Plexus?
Which nerve is known as the longest and thickest nerve in the body?
Which nerve is known as the longest and thickest nerve in the body?
Which spinal cord region is responsible for forming somatic plexuses that innervate the lower extremities just above the sacrum?
Which spinal cord region is responsible for forming somatic plexuses that innervate the lower extremities just above the sacrum?
Where is the Filum terminale anchored?
Where is the Filum terminale anchored?
Where is the Lumbar Cistern located?
Where is the Lumbar Cistern located?
Which spinal region houses the Cauda Equina?
Which spinal region houses the Cauda Equina?
What is the tapered end of the spinal cord known as?
What is the tapered end of the spinal cord known as?
What is the purpose of the Denticulate ligament in the spinal cord?
What is the purpose of the Denticulate ligament in the spinal cord?
Which structure is responsible for anchoring the spinal cord within the vertebral canal and is composed of pia mater extensions?
Which structure is responsible for anchoring the spinal cord within the vertebral canal and is composed of pia mater extensions?
What is the bundle of nerve roots that extend from the conus medullaris called?
What is the bundle of nerve roots that extend from the conus medullaris called?
Which structure is a fibrous extension of the conus medullaris that anchors the spinal cord to the coccyx?
Which structure is a fibrous extension of the conus medullaris that anchors the spinal cord to the coccyx?
Where is the lumbar cistern located within the spinal cord?
Where is the lumbar cistern located within the spinal cord?
Which of the following structures is NOT involved in transmitting sensory information within the spinal cord?
Which of the following structures is NOT involved in transmitting sensory information within the spinal cord?
What is the primary function of the denticulate ligament?
What is the primary function of the denticulate ligament?
Which structure is located within the lumbar cistern of the subarachnoid space?
Which structure is located within the lumbar cistern of the subarachnoid space?
What is the function of the filum terminale?
What is the function of the filum terminale?
Which structure forms the tapered, inferior end of the spinal cord?
Which structure forms the tapered, inferior end of the spinal cord?
What is the lumbar cistern of the subarachnoid space a common location for?
What is the lumbar cistern of the subarachnoid space a common location for?
What is the function of the denticulate ligament?
What is the function of the denticulate ligament?
Where is the lumbar cistern located in the spinal cord?
Where is the lumbar cistern located in the spinal cord?
Which structure is NOT part of the cauda equina?
Which structure is NOT part of the cauda equina?
What is the main function of the conus medullaris?
What is the main function of the conus medullaris?
In which part of the spinal cord would you find the filum terminale?
In which part of the spinal cord would you find the filum terminale?
What structure anchors the spinal cord to the dura mater and limits side-to-side movement within the vertebral canal?
What structure anchors the spinal cord to the dura mater and limits side-to-side movement within the vertebral canal?
Which of the following structures is NOT a part of the cauda equina?
Which of the following structures is NOT a part of the cauda equina?
What is the primary function of the filum terminale?
What is the primary function of the filum terminale?
Where is the lumbar cistern located within the spinal cord?
Where is the lumbar cistern located within the spinal cord?
Which structure helps to stabilize the spinal cord within the vertebral canal by attaching it to the dura mater superiorly and coccyx inferiorly?
Which structure helps to stabilize the spinal cord within the vertebral canal by attaching it to the dura mater superiorly and coccyx inferiorly?
The denticulate ligament is a structure that:
The denticulate ligament is a structure that:
The lumbar cistern is a space that:
The lumbar cistern is a space that:
The cauda equina is:
The cauda equina is:
The conus medullaris is:
The conus medullaris is:
The filum terminale is:
The filum terminale is:
What is the function of the denticulate ligament in the spinal cord?
What is the function of the denticulate ligament in the spinal cord?
What is the lumbar cistern?
What is the lumbar cistern?
What is the cauda equina?
What is the cauda equina?
What is the conus medullaris?
What is the conus medullaris?
What is the function of the filum terminale?
What is the function of the filum terminale?
Which structure is responsible for tethering the spinal cord to the vertebral bodies?
Which structure is responsible for tethering the spinal cord to the vertebral bodies?
Which of the following structures is located at the lower end of the spinal cord?
Which of the following structures is located at the lower end of the spinal cord?
What is the primary function of the cauda equina?
What is the primary function of the cauda equina?
Which structure anchors the conus medullaris to the coccyx, preventing excessive movement?
Which structure anchors the conus medullaris to the coccyx, preventing excessive movement?
What is the relationship between the cauda equina and the lumbar cistern?
What is the relationship between the cauda equina and the lumbar cistern?
