I’d know a basic neurological exam and spine exam. Inspection, ROM, palpation, strength, sensation, reflexes, and special tests for the cervical and lumbar regions.
I’m sure there is something on YouTube that can give you a demonstration.
Know the C5-T1 myotomes, dermatomes, an bicep/triceps/Hoffman reflex...an ASIA exam serves as a decent starting point. I’d also know how to perform a Spurlings maneuver, the definition of a positive finding, and screening for carpal and cubital tunnel (Tinels is fine).
I’d also know the ASIA exam for the L2-S1 segments (I’d throw in hip abductors and foot evertors as part of the exam), patella/medial hamstring/Achilles reflexes and plantar response. For special tests know straight leg raise, what constitutes as positive, and a basic hip OA screening (internal/external rotation of the hip is a good starting point).
Just about everything will be myofascial/facet/radiculopathy, but don’t forget to be a physician. You have to consider things like myelopathy (reflexes are super important), cancer, infection (inspection very important), inflammatory disease (history very important), and neurologic disease such as ALS/myopathy/CIDP. But if you take a decent history and physical, you’ll be fine.