Nerves and nervous system 0.0 / 5 ? BiologyVeterinary medicineUniversityAll boards Created by: ezCreated on: 02-11-13 01:00 Where do spinal nerves emerge from? The intervertebral foramen 1 of 21 What neurones are found in the dorsal root? Afferent (sensory) 2 of 21 What forms the dorsal root ganglion? The perikarya of pseudounipolar afferent neurones 3 of 21 What neurones are found in the ventral ramus? Neurones supplying the ventral part of the body 4 of 21 Where is the lateral horn found? Spinal column of thoracic vertebrae 5 of 21 What does the autonomic nervous system consist of? Visceral motor system 6 of 21 What does the sympathetic nervous system control? Fight or flight response 7 of 21 What does the visceral motor system innervate? Smooth muscle, glands and cardiac muscle 8 of 21 What are the layers (outside-in) of the spinal cord? Periosteum, Epidural space, Dura mater, Subdural space, Arachnoid mater, Sub arachnoid space, Pia mater 9 of 21 Which meningeal space is not normally present around the spinal cord? The subdural space 10 of 21 Which meningeal space contains the cerebral spinal fluid around the spinal cord? Epidural space 11 of 21 Where is the cerebral spinal fluid produced? Choroid plexus 12 of 21 What is a dermatome? A ***** of skin innervated by a single spinal nerve 13 of 21 What moves into the axon during an action potential? Sodium ions 14 of 21 What is the role of the potassium-sodium pump? To restore the concentrations of the ions 15 of 21 What is temporal summation? Action potential achieved by multiple input from one neurone 16 of 21 What increases the intensity of a stimulus? The frequency of action potentials 17 of 21 What causes neurotransmitter vesicles to fuse with the pre-synaptic membrane? Influx of calcium ions 18 of 21 Where is Acetyl Choline used? Neuromuscular junction 19 of 21 What closes voltage gated sodium channels? Depolarisation of the membrane 20 of 21 What is the resting potential of an axon? -70mV 21 of 21
Comments
No comments have yet been made