Final answer:
Before a medical or laboratory driving range exercise, a student must present a test card, a patient serum sample, and a test reagent to their Range Instructor.
Step-by-step explanation:
Prior to conducting a driving range exercise in the context of a medical or laboratory training session, each student must present certain items to their Range Instructor. Specifically, these items are a test card, a patient serum sample, and a bottle of test reagent.
The test reagent typically consists of a suspension of horse erythrocytes, which are used for a specific diagnostic test. These components are essential to performing the requested test and must be verified for proper identification and suitability for the exercise.