When Does a Nurse Use a Pederson or Graves Speculum

question 8

Multiple Choice

When does a nurse use a Pederson or Graves speculum for examination of a patient?

• A) To inspect the external ear
• B) To assess the vaginal canal
• C) To inspect nasal passages
• D) To assess the oropharynx

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Definitions:

RMS Phase Current

The root mean square value of the current in one phase of a multi-phase system, providing a measure of the effective current level.

Instantaneous Peak Value

The highest absolute value of a varying quantity (voltage or current) at a given instant.

Triplens

Harmonics in an electrical system that are multiples of the third harmonic (e.g., 3rd, 9th, 15th), often causing additional heating in neutral wires.

Sequence

The order in which events, movements, or things follow each other or are arranged serially.