During a time-critical small UAS operation inspecting a tall structure, the remote pilot becomes anxious after a close avoidance of an obstacle. The pilot notices rapid breathing, lightheadedness, and tingling in the fingers. What is the BEST immediate action?

A remote pilot in command (PIC) finished consuming alcoholic beverages at 11:00 p.m. the previous evening. The PIC intends to conduct a small unmanned aircraft system (sUAS) operation at 6:00 a.m. the next morning. According to 14 CFR part 107, is the PIC prohibited from operating the sUAS?

A remote pilot in command consumes an alcoholic beverage at 1200. The remote PIC plans to conduct a small UAS operation at 1900 the same day. According to FAA regulations, may the remote pilot act as PIC?

A remote pilot under high stress during a time-critical small UAS operation begins hyperventilating. Which of the following best explains the primary physiological mechanism impairing the pilot's cognitive performance?