Florida Nursing Assistant Competency Pracrice Exam

What is the primary use of a tympanic thermometer?

1. To measure temperature in the client's mouth

2. To measure temperature in the client's ear

3. To measure temperature in the armpit

4. To measure temperature rectally

The correct answer is: To measure temperature in the client's ear

A tympanic thermometer is specifically designed to measure the temperature inside the ear, making it a quick and efficient tool for assessing body temperature. The tympanic membrane, which is located in the ear, shares blood supply with the hypothalamus, the part of the brain that regulates body temperature. This allows for an accurate reflection of core body temperature when measured with a tympanic thermometer. Using this type of thermometer offers several advantages, including a fast measurement time and the ability to minimize discomfort for the client compared to other methods, such as oral, rectal, or axillary (armpit) measurements. These other methods may not only take longer but can also be less accurate due to various factors such as recent food or drink intake, the presence of sweat, or improper positioning. Therefore, the primary use of a tympanic thermometer in a healthcare setting is to provide a reliable ear temperature reading swiftly.