Chapter 50 Review: Sensory and Motor Mechanisms


  1. Hair movement receptors are
    1. mechanoreceptors.
    2. chemoreceptors.
    3. electromagnetic receptors.
    4. touch receptors.
    5. pressure receptors.
  2. The male silkworm moth possesses ________ in its sensory hairs.
    1. mechanoreceptors
    2. magnetoreceptors
    3. sonar
    4. pheromones
    5. chemoreceptors
  3. The sternum is part of the ________ in humans.
    1. axial skeleton
    2. appendicular skeleton
    3. exoskeleton
    4. closet skeleton
    5. hydroskeleton
  4. Chemoreceptors on the upper portion of the nasal cavity send action potentials to neurons in the
    1. olfactory bulb.
    2. cupula.
    3. eustachian tube.
    4. perilymph.
    5. choroid.
  5. Which kind of cells make up the optic nerve?
    1. rods
    2. cones
    3. amacrine
    4. ganglion
    5. horizontal
  6. Structures in the ear include the following EXCEPT
    1. cochlea.
    2. oval window.
    3. black widow.
    4. tympanic membrane.
    5. pinna.
  7. The structure labled "C" at right is
    1. sclera.
    2. cornea.
    3. iris.
    4. pupil.
    5. lens.
  8. Pit vipers have a pair of ________ receptors which detect the heat emitted by live prey.
    1. ultrasound
    2. ultraviolet
    3. infrared
    4. infrasound
    5. olfactory
  9. Auditory signals are sent via the auditory nerve to the ________ lobe of the cerebrum.
    1. frontal
    2. temporal
    3. parietal
    4. occipital
    5. basal