21. Functional Anatomy of the Cervical Intervertebral Disk

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Which diagnostic tool is most commonly used to confirm a disc herniation?

MRI (correct)

X-ray

CT scan

Ultrasound

What is the main cause of a disc herniation?

Age-related degeneration

Poor posture

Excessive strain or trauma (correct)

Lifting heavy weights

Which statement about disc herniation is true?

All disc herniations require surgery

Disc herniations are caused by inflammation

Disc herniations always result in severe pain

Most minor herniations heal within several weeks (correct)

Which region of the spine is the most common site for spinal disc herniations?

Lumbar Signup and view all the answers

Which nerve is most commonly affected by a lumbar disc herniation?

Sciatic nerve Signup and view all the answers

In which region of the neck do cervical disc herniations occur most frequently?

C5-C6 Signup and view all the answers

What is the incidence rate of intradural disc herniation?

0.2-2.2% Signup and view all the answers

Which of the following is a common symptom of a herniated disc?

Severe and unrelenting neck pain or low back pain Signup and view all the answers

What is the main cause of spinal disc herniation?

Degeneration of the intervertebral disc Signup and view all the answers

What is the condition called when a herniated disc in the lumbar spine causes radiating nerve pain in the lower extremities or groin area and is associated with bowel or bladder incontinence?

Cauda equina syndrome Signup and view all the answers

What happens to the contents of a herniated disc when the confining membrane ruptures?

They move into the spinal canal and press against the spinal nerves Signup and view all the answers

Which of the following is NOT a characteristic of dermatomes?

The pattern of dermatomes is the same in all individuals Signup and view all the answers

What is the term used to describe an area of skin innervated by a single nerve?

Peripheral nerve field Signup and view all the answers

Which of the following can indicate a pathology involving a related nerve root?

Pain or a rash that follows a dermatome Signup and view all the answers

Which dermatome is located on the medial (ulnar) side of the antecubital fossa, just distal to the medial epicondyle of the humerus?

T1 Signup and view all the answers

21. Functional Anatomy of the Cervical Intervertebral Disk

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Questions and Answers

Which diagnostic tool is most commonly used to confirm a disc herniation?

What is the main cause of a disc herniation?

Which statement about disc herniation is true?

Which region of the spine is the most common site for spinal disc herniations?

Which nerve is most commonly affected by a lumbar disc herniation?

In which region of the neck do cervical disc herniations occur most frequently?

What is the incidence rate of intradural disc herniation?

Which of the following is a common symptom of a herniated disc?

What is the main cause of spinal disc herniation?

What is the condition called when a herniated disc in the lumbar spine causes radiating nerve pain in the lower extremities or groin area and is associated with bowel or bladder incontinence?

What happens to the contents of a herniated disc when the confining membrane ruptures?

Which of the following is NOT a characteristic of dermatomes?

What is the term used to describe an area of skin innervated by a single nerve?

Which of the following can indicate a pathology involving a related nerve root?

Which dermatome is located on the medial (ulnar) side of the antecubital fossa, just distal to the medial epicondyle of the humerus?

Which dermatome is located on the dorsum of the foot at the third metatarsophalangeal joint?

Which dermatome is located at the apex of the axilla?

Which cranial nerve is associated with herpes zoster ophthalmicus?

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