Final answer:
The subject is Medicine, and the grade level is College, discussing various patient admissions with symptoms ranging from infections to paralysis, highlighting the necessity of thorough medical assessments.
Step-by-step explanation:
The information provided pertains to four different patient admissions with various medical concerns. The first patient, a 50-year-old male, has gangrenous inflammation and paralysis in the right lower extremity. The second, Olivia, is an infant with symptoms suggesting an infection or inflammation. The third case involves Marisa, a 52-year-old woman with severe abdominal pain and swollen lymph nodes after traveling internationally. Lastly, Marsha, a 20-year-old university student, exhibits symptoms consistent with an infectious disease like tuberculosis after returning from Nigeria. Each case study requires a different medical approach, but collectively, they underscore the importance of comprehensive clinical assessments for a proper diagnosis.