Nurse practitioners get advanced training in nursing so they can take their careers a step farther. By getting graduate-level education, they can operate independently or under the supervision of a physician.
From Wikipedia, the free encyclopedia. Pat Ryan may refer to: 1  Pat Ryan (curler) (born 1955), Canadian curler.  Pat Ryan, maiden name of Pat Nixon (1912â1993), First Lady of the United States.
Jack Ryan (full name John Patrick Ryan, Sr., Ph.D., CPA, KCVO) (born May 17, 1950) is a fictional character created by Tom Clancy who appears in many of his novels. Contents 1 Biography