Based on the principals of asepsis, the nurse should consider a sterile packet below waist level to be contaminated.

The choice "principals" is a misspelling of the correct term "principles." In the context of asepsis and nursing practices, the fundamental concepts are referred to as principles, which are the foundational rules or beliefs guiding practices to prevent contamination and infection. Using "principals," which generally refers to individuals in leadership or administrative roles, would not convey the intended meaning.

Understanding the distinction between "principles" (conceptual guidelines) and "principals" (people in authority) is crucial in medical terminology, as it allows for clear communication regarding best practices for infection control. Therefore, noting the proper spelling of "principles" reinforces comprehension of aseptic protocols in nursing.