Kroger offers jobs to 14-year-old candidates who have valid work permits. Some positions at Kroger do require workers to be older, however. For example, a person must be at least 18 to work as a butcher or to have a job that requires handling tobacco.
Nurse Practitioner and Physician Assistant Differences. One of the main differences between the two occupations is the training involved. While nurse practitioners go to nursing schools, physician assistants attend medical school, so consequently they emerge with different viewpoints regarding medicine.
What do physician assistants do? A Physicians Assistant (PA) and Nurse Practitioner (NP) fill the  special role between nurses and medical physicians MDs/osteopaths  DOs. The PA and NP under the supervisionâ¦ of MDs and DOs can  diagnose, treat, and even prescribe medications; PAs and NPs are  highly trained clinicians.