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5 Written questions

5 Matching questions

  1. pons
  2. action potential
  3. neurotransmitter
  4. subarachnoid space
  5. midbrain
  1. a most superior portion of brainstem;
    contains auditory and visual reflex centers
  2. b quick electrical charge that travels "down" an axon towards synapse; Na+, K+, and Ca++ ions vital to this function; causes neurotransmitter release at synapse;
    aka neural impulse or "electrical signal"
  3. c small space beneath the archnoid layer
  4. d "bridge" between brain stem and cerebellum; contains respiratory centers which regulate breathing
  5. e chemical signals released by axon into a synaptic cleft when signaled by an action potential

5 Multiple choice questions

  1. deep groove running from approximately ear-to-ear dividing cerebrum into anterior and posterior portions
  2. watery fluid in and around brain and spinal cord;
    produced in brain ventricles;
    performs the functions of blood in the brain (ie carries nutrients, hormones, waste products, gases, etc)
  3. involuntary response to a stimulus, such as knee-jerk response
  4. brain's "sensory switchboard" in diencephalon (above brainstem);
    almost all sensory information goes through thalamus and directed to specific cortex regions; cortex also sends replies and motor commands to the cerebellum and medulla through thalamus;
    involved in consciousness and wakefulness (damage can cause coma)
  5. nervous system cells that support, nourish, and assist neurons; do NOT create action potentials;
    (examples: Schwann cells & oligodendrocytes make myelin sheaths)

5 True/False questions

  1. diencephalonbrain region containing thalamus and hypothalamus;
    hypothalamus is an integral part of the limbic system, and thalamus is functionally connected to limbic system

          

  2. spinal nerves31 pairs of nerves arising from the spinal cord;
    named for location on vertebrae (8C, 12T, 5L, 5S, 1C);
    composed of 2 roots: dorsal and ventral

          

  3. autonomic nervous systempart of PNS involuntarily controlling glands and muscles of internal organs (such as heart); 2 divisions: sympathetic division arouses;
    parasympathetic division calms;
    aka ANS

          

  4. ganglianervous system cells that support, nourish, and assist neurons; do NOT create action potentials;
    (examples: Schwann cells & oligodendrocytes make myelin sheaths)

          

  5. epidural spacesmall space below dura mater