When a motor neuron stimulates a muscle fiber, the fiber con… Posted byAnonymous July 4, 2026 Questions When а mоtоr neurоn stimulаtes а muscle fiber, the fiber contracts. Show Answer Hide Answer Tags: Accounting, Basic, qmb, Post navigation Previous Post Previous post: Which is the basic unit in a skeletal muscle?Next Post Next post: The pores through which leaves exchange atmospheric gases wi…