Final answer:
A medical assistant should wear a face shield routinely as part of PPE to protect against infectious materials. Additionally, a face shield should be worn during procedures involving spraying or splattering, and when there is a risk of clothing becoming grossly contaminated.
Step-by-step explanation:
A medical assistant should wear a face shield routinely as a part of Personal Protective Equipment (PPE). It provides additional protection from splashes, sprays, and droplets that may contain infectious materials.
Wearing a face shield is especially important when there is a possibility of contact with infectious materials, such as during procedures where there may be spraying or splattering. This includes procedures like suctioning or irrigating wounds, where the risk of exposure is higher.
In addition, a face shield should be worn if there is a risk of gross contamination of clothing during a procedure. This could occur, for example, if there is a likelihood of bodily fluids coming into contact with the medical assistant's clothing.
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