Medical Mcqs

A motor unit is made up of______________?
  • (A)  A flexor muscle and an extensor muscle
  • (B)  A single skeletal muscle and all the motor peurons that supply it
  • (C)  A single motor neuron and all the muscle fibers it innervates
  • (D)  All the motor neurons in which response are observed after maximal stimulation of a single sensory nerve
False about blood brain barrier is_______________?
  • (A)  There are gaps between tight junctions at the active sites
  • (B)  There are no gaps between active sites
  • (C)  Less activity in the membrane
  • (D)  Fibronectin provides a barrier for diffusion