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18.10: Practice Test- The Brain and Cranial Nerves

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    Review the material from this module by completing the practice test below:

     

    1. What type of receptor cell is responsible for transducing pain stimuli?
    1. mechanoreceptor
    2. nociceptor
    3. osmoreceptor
    4. photoreceptor

     
     
    2. Which of these cranial nerves is part of the gustatory system?
    1. olfactory
    2. trochlear
    3. trigeminal
    4. facial

     
     
    3. Which submodality of taste is sensitive to the pH of saliva?
    1. umami
    2. sour
    3. bitter
    4. sweet

     
     
    4. Axons from which neuron in the retina make up the optic nerve?
    1. amacrine cells
    2. photoreceptors
    3. bipolar cells
    4. retinal ganglion cells

     
     
    5. What type of receptor cell is involved in the sensations of sound and balance?
    1. photoreceptor
    2. chemoreceptor
    3. mechanoreceptor
    4. nociceptor

     
     
    6. Which of these sensory modalities does not pass through the ventral posterior thalamus?
    1. gustatory
    2. proprioception
    3. audition
    4. nociception

     
     
    7. Which nucleus in the medulla is connected to the inferior colliculus?
    1. solitary nucleus
    2. vestibular nucleus
    3. chief sensory nucleus
    4. cochlear nucleus

     
     
    8. Visual stimuli in the upper-left visual field will be processed in what region of the primary visual cortex?
    1. inferior right
    2. inferior left
    3. superior right
    4. superior left

     
     
    9. Which location on the body has the largest region of somatosensory cortex representing it, according to the sensory homunculus?
    1. lips
    2. thigh
    3. elbow
    4. neck

     
     
    10. Which of the following is a direct target of the vestibular ganglion?
    1. superior colliculus
    2. cerebellum
    3. thalamus
    4. optic chiasm

     
     
    11. Which region of the frontal lobe is responsible for initiating movement by directly connecting to cranial and spinal motor neurons?
    1. prefrontal cortex
    2. supplemental motor area
    3. premotor cortex
    4. primary motor cortex

     
     
    12. Which extrapyramidal tract incorporates equilibrium sensations with motor commands to aid in posture and movement?
    1. tectospinal tract
    2. vestibulospinal tract
    3. reticulospinal tract
    4. corticospinal tract

     
     
    13. Which region of gray matter in the spinal cord contains motor neurons that innervate skeletal muscles?
    1. ventral horn
    2. dorsal horn
    3. lateral horn
    4. lateral column

     
     
    14. What type of reflex can protect the foot when a painful stimulus is sensed?
    1. stretch reflex
    2. gag reflex
    3. withdrawal reflex
    4. corneal reflex

     
     
    15. What is the name for the topographical representation of the sensory input to the somatosensory cortex?
    1. homunculus
    2. homo sapiens
    3. postcentral gyrus
    4. primary cortex

     

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