This Technology Learning Activity (TLA) on exploring diagnostic care careers for Grade 9 is designed for use in eight class periods. It gives students experience in using standard health care equipment to perform basic diagnostic procedures. This teacher's edition begins with an overview of technology education. The second section describes components of the instructor's section of the TLA: background information; priority academic student skills; suggested activities; suggested resources; instructional sequence; equipment, tools, and supplies summary worksheet; pretest and posttest; test answers; and evaluation summary. The third section describes components of the student's section: introduction; summary of activities; pretest instructions; assignments to turn in; goal; words you should know; priority academic student skills; objectives; related Technology Student Association event(s); academic and workplace applications; impact statements; career search; posttest instructions; and Skunk Works (optional activity). The fourth section identifies hazard alert messages. The actual instructor's and student's sections follow. Activities include the following: maintain and calibrate medical equipment; assess basic health signs; interpret cholesterol test results; calculate dietary intake of cholesterol and saturated fat; evaluate vision; evaluate hearing; research and report on diagnostic tests; obtain blood pressure reading; and career search. (YLB)