The most common size needle used for bolus injection of contrast agents for adult patients is _____ gauge.

Question

Quizplus · Accepted Answer

The most common size needle used for bolus injection of contrast agents for adult patients is 18 to 22 gauge. This size allows for swift injection without causing significant discomfort to the patient. Choice A (23 to 25) may be too small for rapid flow rates, while choice B (14 to 16) is typically reserved for larger procedures such as drainage or biopsy. Choice D (28) is too small for bolus injections.

The Most Common Size Needle Used for Bolus Injection of Contrast