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.
Differences Between RNs and NPs. The big difference between RNs and NPs is the degree of autonomy an NP is granted. While NPs are required to work under the auspices of a physician, in many states, NPs may diagnose and treat patients in an independent location, without the constant vigilance of a physician.