Surface Anatomy and Landmarks · USMLE Step 1

A physician palpates the radial pulse. Which landmark most accurately identifies its typical location?

  1. Lateral to the tendon of flexor carpi radialis
  2. Medial to the tendon of flexor carpi radialis
  3. Lateral to the tendon of palmaris longus
  4. Medial to the tendon of palmaris longus
Show answer and explanation

Correct answer: Lateral to the tendon of flexor carpi radialis

The radial pulse is palpated lateral to the tendon of flexor carpi radialis. This is a reliable surface landmark at the wrist.

Difficulty: Medium Question 9 of 20

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