Health care worker is
**Core Concept**
A healthcare worker is an individual who provides medical care, either directly or indirectly, to patients. This can include doctors, nurses, pharmacists, and other professionals involved in the delivery of healthcare services. The term encompasses a broad range of individuals who contribute to the healthcare system.
**Why the Correct Answer is Right**
The correct answer is a healthcare worker who provides direct patient care, such as a nurse or doctor. Healthcare workers play a crucial role in the delivery of medical care, and their actions can have a significant impact on patient outcomes. Healthcare workers must adhere to strict guidelines and protocols to ensure patient safety and well-being.
**Why Each Wrong Option is Incorrect**
**Option A:** This option is incorrect because it does not specify a type of healthcare worker.
**Option B:** This option is incorrect because it is too broad and does not accurately describe a healthcare worker.
**Option C:** This option is incorrect because it is not a type of healthcare worker.
**Clinical Pearl / High-Yield Fact**
Healthcare workers must maintain a high level of professionalism and adhere to strict guidelines and protocols to ensure patient safety and well-being. This includes proper hand hygiene, use of personal protective equipment, and accurate documentation of patient information.
**Correct Answer: D. Healthcare worker.**