In the LMNOP framework, what does L stand for?

• A. Labs
• B. Lactate testing
• C. Lung imaging
• D. Last meal

Answer: (A)

In this LMNOP framework, the letter L stands for Labs. In the trauma setting, early laboratory data are essential to guide resuscitation and uncover hidden problems. A rapid panel of labs—type and crossmatch, complete blood count, coagulation studies, metabolic panel, glucose, and often an arterial blood gas—helps you assess hemorrhage, coagulopathy, acid-base status, electrolyte balance, and organ function. Lactate testing is an important part of evaluating perfusion, but it’s included within the broader labs category rather than defining the L by itself. Lung imaging and last meal are not what L represents in this mnemonic.