Back Pain Back Pain 4

Question 1

A herniated disc at the L5-S1 level most commonly compresses which nerve root?

Accepted Answer

S1

Answer

A posterolateral L5-S1 herniation typically compresses the traversing S1 nerve root, causing pain to the lateral foot and a diminished ankle reflex.

Question 2

Which finding suggests back pain may be caused by a spinal infection such as discitis or osteomyelitis?

Accepted Answer

Fever with constant pain unrelieved by rest

Answer

Fever combined with unrelenting rest pain is a red flag for spinal infection.

Question 3

What is the primary goal of the McKenzie method in treating low back pain?

Accepted Answer

Centralizing pain using directional preference exercises

Answer

The McKenzie approach uses repeated movements, often extension, to move radiating pain toward the spinal midline.

Question 4

Which lifting technique best protects the lower back?

Accepted Answer

Bending the knees, keeping the load close, and avoiding twisting

Answer

Squatting with the load close to the body minimizes lumbar disc pressure and shear forces.

Question 5

A patient with a history of cancer develops new, progressive back pain that is worse at night. What should be the primary concern?

Accepted Answer

Spinal metastasis

Answer

New back pain in a patient with cancer history, especially night pain, raises concern for vertebral metastases and warrants imaging.

Back Pain Practice Test