Back Pain Back Pain 5

Question 1

During pregnancy, back pain most commonly results from which combination of changes?

Accepted Answer

Shifted center of gravity and ligament-loosening hormones

Answer

The growing uterus shifts posture forward while relaxin loosens pelvic and spinal ligaments, straining the lower back.

Question 2

Cauda equina syndrome is characterized by which classic triad of findings?

Accepted Answer

Saddle anesthesia, bladder dysfunction, and bilateral leg weakness

Answer

Compression of the cauda equina produces saddle-area numbness, urinary retention or incontinence, and bilateral lower-limb deficits requiring emergency surgery.

Question 3

Which sleeping position is generally recommended to reduce low back strain?

Accepted Answer

On the side with a pillow between the knees

Answer

Side-lying with a pillow between the knees keeps the spine and pelvis in neutral alignment.

Question 4

In evaluating chronic low back pain, facet joint pain is typically aggravated by which movement?

Accepted Answer

Extension and rotation of the spine

Answer

Leaning back and twisting loads the facet joints, reproducing facet-mediated pain.

Question 5

Which nonpharmacologic therapy has the strongest evidence for chronic low back pain?

Accepted Answer

Structured exercise therapy

Answer

Exercise therapy consistently shows benefit for pain and function in chronic low back pain, unlike rest, traction, or continuous bracing.

Back Pain Practice Test

Back Pain Practice Test

Back Pain Back Pain 5