**Core Concept**
The role of a social worker in a healthcare setting involves providing emotional support, counseling, and connecting patients with community resources to ensure their overall well-being. Social workers play a crucial role in addressing the psychosocial needs of patients, particularly those with chronic illnesses or mental health conditions.

**Why the Correct Answer is Right**
Social workers are trained professionals who can provide empathetic support and connect patients with resources such as housing assistance, food banks, and mental health services. They often work closely with other healthcare professionals to develop comprehensive care plans that address patients' physical, emotional, and social needs. Social workers may also facilitate support groups, help patients navigate the healthcare system, and provide crisis intervention services.

**Why Each Wrong Option is Incorrect**
**Option A:** Nurses are primarily responsible for providing direct patient care, including administering medications, performing medical procedures, and monitoring patients' vital signs. While nurses may provide some emotional support, their primary focus is on addressing patients' physical needs.
**Option B:** Doctors are medical professionals who diagnose and treat patients' medical conditions. While doctors may provide some emotional support, their primary focus is on addressing patients' physical health needs, and they often rely on other healthcare professionals, including social workers, to address patients' psychosocial needs.
**Option C:** Occupational therapists help patients develop skills and strategies to perform daily activities and maintain independence. While occupational therapists may work with patients who have mental health conditions or chronic illnesses, their primary focus is on addressing patients' physical and functional needs, rather than their psychosocial needs.

**Clinical Pearl / High-Yield Fact**
Social workers play a critical role in addressing the social determinants of health, which include factors such as housing, education, employment, and access to healthcare. By connecting patients with community resources and providing emotional support, social workers can help patients manage chronic illnesses and improve their overall quality of life.

**Correct Answer:** D.