Taste Buds and Taste Receptors
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Questions and Answers

Where does the reaction between taste stimuli and taste receptors take place?

  • Inside the taste pore (correct)
  • At the base of the taste bud
  • In the oral cavity
  • In the afferent nerve terminals
  • What is the purpose of a grimace reaction when experiencing a sour taste?

  • To increase saliva flow
  • To push saliva to the surface of the tongue (correct)
  • To protect oral tissues from damage
  • To neutralize protons
  • Which type of compounds can bitter taste detect?

  • Harmful or toxic compounds only
  • Both stimulant and toxic compounds (correct)
  • Stimulant compounds only
  • Only natural compounds
  • What leads to an increase in saliva flow when experiencing a sour taste?

    <p>Proton buffering</p> Signup and view all the answers

    What leads to a pure salty taste?

    <p>$NaCl$</p> Signup and view all the answers

    What is the function of halide sodium salts other than NaCl?

    <p>To create a bitter taste</p> Signup and view all the answers

    What is the role of bitter taste with a low perception threshold?

    <p>To detect potentially harmful or toxic compounds</p> Signup and view all the answers

    $NH_4Cl$ results in which taste perception?

    <p>Salty and bitter</p> Signup and view all the answers

    What happens to taste receptor cells within hours of exposure to chemical stimuli?

    <p>They fall into the oral cavity and are washed away by saliva</p> Signup and view all the answers

    What is the function of sour taste in relation to saliva flow?

    <p>Increase of saliva flow leading to neutralization of protons</p> Signup and view all the answers

    What type of compounds can act as stimulant compounds for taste receptor cells?

    <p>Ions and complex artificial compounds</p> Signup and view all the answers

    What is the role of bitter taste with a low perception threshold?

    <p>Causing aversion to bitter taste</p> Signup and view all the answers

    What is the fate of the proteins of taste receptor cells at their tips?

    <p>Exposed to the oral cavity through the taste pore</p> Signup and view all the answers

    What effect does exposure to chemical stimuli have on taste receptor cells?

    <p>Stimulation of continuous growth and maturation</p> Signup and view all the answers

    What is the term used for the taste quality specific for monosodium L-glutamate (MSG)?

    <p>Umami</p> Signup and view all the answers

    Which psychological factor is related to an increase in pain stimulus?

    <p>Emotional state</p> Signup and view all the answers

    What is the role of afferent nerve terminals at the membrane of taste receptor cells?

    <p>Transmitting taste information to the CNS</p> Signup and view all the answers

    What is the effect of a suitable balance between ongoing sensory barrage and the descending inhibitory system?

    <p>Normal functional activities such as rest and sleep</p> Signup and view all the answers

    What is the term used for the taste quality specific for a synergistic effect involving 5ꞌ ribonucleotides and certain food combinations?

    <p>Umami</p> Signup and view all the answers

    What is the role of ascending conduction and descending inhibitory system in relation to pain stimulation?

    <p>One increases and one decreases pain stimulation</p> Signup and view all the answers

    What is the primary function of the soft palate during the process of chewing?

    <p>To close off the back of the tongue</p> Signup and view all the answers

    During which phase of chewing do the lower teeth slide on the inclines of the upper buccal cusps back to ICP?

    <p>Grinding phase</p> Signup and view all the answers

    What characterizes each cycle of chewing, representing a power stroke on the frontal plane?

    <p>Teardrop shape</p> Signup and view all the answers

    How much does the jaw open from ICP during the opening phase of chewing?

    <p>16-18mm</p> Signup and view all the answers

    What happens to the lateral displacement as the teeth approach each other during the crushing phase of chewing?

    <p>It decreases</p> Signup and view all the answers

    What is the primary role of the lips during the process of chewing in humans?

    <p>To touch and create a closed cavity</p> Signup and view all the answers

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