In the sentence, "What are the perceptions of registered nurses working in a children's hospital about double-checking medications?", what do the two blanks represent respectively?

In the context of the given sentence, the two blanks represent important components of a research question. The first blank corresponds to "Population," which refers to the specific group being studied—in this case, registered nurses working in a children's hospital. This population is defined clearly, allowing for targeted research focused on their perspectives.

The second blank is associated with "Outcome," signifying what researchers are looking to understand or measure. Here, the outcome pertains to the perceptions of those registered nurses about double-checking medications. This highlights the intention of the research to gather insights or assessments from the nurses regarding a critical practice in medication safety.

The correct pairing of Population (registered nurses) and Outcome (perceptions about double-checking medications) accurately reflects the structure and purpose of the inquiry. It sets a clear framework for the research, aiming to collect and analyze the views of the specified group regarding a significant aspect of their practice.