WCUI Smith Chason Exit Assessment – Abdomen, Vascular, OB GYN Practice Test

What is the normal gallbladder wall thickness when the gallbladder is present?

Less than 3 mm Less than 10 mm Less than 5 mm Less than 2 mm

Correct Answer:

Less than 3 mm

Explanation:

Normal gallbladder wall thickness is a thin line on ultrasound, and when the gallbladder is distended (usually after fasting) the wall should measure less than 3 millimeters. This threshold helps clinicians distinguish normal anatomy from edema or inflammation; a wall thicker than about 3 mm raises concern for conditions like acute cholecystitis or other causes of wall edema. The other options describe measurements that are clearly thicker than normal or are overly strict relative to the standard cutoff. Therefore, the best answer is less than 3 mm.

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