Imagine a Large-Scale Kitchen Operation Such as the Mandarin, Boston

Imagine a large-scale kitchen operation such as the Mandarin, Boston Pizza, or Swiss Chalet. Even though restaurant customers might experience a relatively quiet, comfortable, and relaxing atmosphere out front, in the kitchen area there are many physical agents that can impair the safety and health of kitchen workers and servers.
-If a kitchen worker gets locked into the walk-in freezer either by accident or by a misguided prank, when you finally find them what symptom would tell you that they are suffering from moderate hypothermia?

A) intense pain in fingers
B) abnormal drowsiness
C) decreased respiration
D) irrational behaviour