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Introduction to Sensory Receptors quiz #4

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  • Which senses are chemoreceptor senses?
    Taste, Smell
  • The superior colliculi initiate eye and head movements in response to which type of stimuli?
    The superior colliculi initiate eye and head movements in response to visual stimuli.
  • How is stimulus intensity coded for by sensory neurons?
    Stimulus intensity is coded by the frequency of action potentials and the number of activated receptors.
  • Which structure does not play a role in the sensory detection of equilibrium?
    Cochlea
  • Which type of receptor detects sound?
    Mechanoreceptors, specifically hair cells in the cochlea, detect sound.
  • What two ways do sensory receptors respond to stimuli?
    Sensory receptors respond to stimuli by generating receptor potentials and converting them into action potentials.
  • What type of stimulus do thermoreceptors detect?
    Temperature
  • What type of chemoreceptor is responsible for our sense of smell?
    Olfactory receptors are chemoreceptors responsible for our sense of smell.
  • What receptors enable balance and movement?
    The vestibular receptors, including the semicircular canals and otolith organs, enable balance and movement.
  • What is detected by chemoreceptors?
    Chemoreceptors detect chemical changes, such as those in taste and smell.
  • What information does the brain use to determine the intensity of a stimulus? Check all that apply. Options: Frequency of action potentials, Number of activated receptors, Duration of stimulus, Type of stimulus
    Frequency of action potentials, Number of activated receptors
  • Where are baroreceptors found?
    Baroreceptors are found in the carotid sinus and aortic arch.
  • Which of these is the sensory receptor for vision?
    Photoreceptors, specifically rods and cones, are the sensory receptors for vision.
  • Which of these is a deep pressure receptor?
    Pacinian corpuscles are deep pressure receptors.
  • Which cranial nerve is purely sensory?
    Olfactory nerve
  • Which structures contain chemoreceptors?
    Taste buds
  • What structures receive input from sensory receptors in the nose?
    The olfactory bulb receives input from sensory receptors in the nose.
  • How is human perception best described?
    Subjective
  • What characteristic of receptive fields is not true?
    They are uniform in sensitivity
  • Which three of these senses rely on mechanoreceptors? Options: Vision, Hearing, Touch, Smell, Balance
    Hearing, Touch, Balance
  • Which of the cranial nerves below is purely sensory? Options: Optic nerve, Trigeminal nerve, Glossopharyngeal nerve, Accessory nerve
    Optic nerve
  • Which method is most appropriate to use when checking an infant for responsiveness?
    Gently tapping the infant's foot or calling their name is appropriate for checking responsiveness.
  • Which type of sensory receptor is not related to touch?
    Photoreceptors
  • What type of receptor is found in the smooth muscle of organs?
    Stretch receptors are found in the smooth muscle of organs.
  • Which nerve fibers react to heat?
    Thermoreceptive nerve fibers react to heat.
  • Which type of receptors sense pressure and touch?
    Mechanoreceptors sense pressure and touch.
  • What do chemoreceptors found in the body and vascular system measure?
    Chemoreceptors measure chemical changes, such as oxygen and carbon dioxide levels, and pH in the body and vascular system.
  • Which of the following is considered a sensory receptor: neurons, photoreceptors, muscle fibers, or blood cells?
    Photoreceptors
  • Most receptors of the special senses are classified as which type?
    Photoreceptors
  • What is the primary function of sensory receptors in the human body?
    Sensory receptors detect stimuli from internal and external environments, providing a link between the nervous system and these environments.
  • How are signals from sensory receptors transmitted to the central nervous system?
    Signals from sensory receptors are transmitted to the central nervous system via the peripheral nervous system.
  • What does categorization by stimulus type refer to in sensory receptors?
    Categorization by stimulus type refers to the specific kind of stimulus a receptor responds to, such as chemicals, light, or sound waves.
  • What is meant by receptor structure in the classification of sensory receptors?
    Receptor structure refers to the physical form or type of the sensory receptor, such as hair follicle receptors or tactile corpuscles.