Final answer:
The rectal thermometer is a temperature-taking method with a risk of blood exposure due to its invasive nature and potential contact with bodily fluids. Modern infrared ear thermometers offer a safer, non-invasive alternative, minimizing the risk of exposure.
Step-by-step explanation:
The method of taking a patient's temperature with a risk of blood exposure is the rectal thermometer. This invasive method involves inserting a thermometer into a patient's rectum. It poses a potential risk of contact with blood or bodily fluids, especially if the patient has any conditions or injuries that might cause rectal bleeding. When not done correctly or with proper precautions, there is a risk for the person taking the temperature to be exposed to these fluids. Modern non-invasive methods, such as infrared ear thermometers, significantly reduce the risk of blood exposure and provide quick and accurate readings.
These devices detect infrared radiation emitted from the eardrum, which is close in temperature to the body's core. This parallels industrial practices like using a pyrometer to measure the heat of an aircraft carrier's ventilation system, as both rely on infrared technology. It is essential for healthcare providers to be aware of the risks associated with different temperature measurement methods to prevent bloodborne pathogen transmission. The use of appropriate protective measures when needed, such as gloves and proper sanitation procedures, is crucial.