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 (A)</p> Signup and view all the answers

What leads to a pure salty taste?

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

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

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

$NH_4Cl$ results in which taste perception?

<p>Salty and bitter (C)</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 (D)</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 (D)</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 (A)</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 (B)</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 (C)</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 (C)</p> Signup and view all the answers

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

<p>Umami (D)</p> Signup and view all the answers

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

<p>Emotional state (B)</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 (B)</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 (A)</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 (A)</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 (D)</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 (C)</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 (B)</p> Signup and view all the answers

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

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

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

<p>16-18mm (B)</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 (B)</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 (D)</p> Signup and view all the answers

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