TB10 P&C Lecture 2; Olfaction and taste

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  • Created by: mint75
  • Created on: 24-05-16 11:11

1. Where do OSN axons project to?

  • Glomeruli in the somatosensory cortex
  • Glomeruli in the olfactory epithelium
  • Glomeruli in the olfactory bulb
  • Glomeruli in the olfactory cleft
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Other questions in this quiz

2. The olfactory cleft...?

  • Oderant molecules 'stick to' this when air comes into contact with it
  • Covered in mucus and is fragile
  • Force air flow against epithelium
  • Part of the olfactory sensory neuron, each OSN has a single type of odor receptor.

3. What makes a supertaster different from a normal taster?

  • Different genes for chemical receptors, different number of taste buds (papillae)
  • The same genes for chemical receptors, the same number of taste buds (papillae). Different environmental exposure to chemicals
  • The same genes for chemical receptors, different number of taste buds (papillae). Different environmental exposure to chemicals
  • Different genes for chemical receptors, the same number of taste buds (papillae)

4. How do we smell odors composed of more than one molecule?

  • Glomeruli projections overlap in somatosensory cortex and individual cortical neurons receive input from multiple glomeruli. The overlapping activation is associated with the object
  • Glomeruli projections overlap in somatosensory cortex and individual cortical neurons receive input from multiple glomeruli. The response pattern is associated with the object
  • Glomeruli projections overlap in olfactory cortex and individual cortical neurons receive input from multiple glomeruli. The response pattern is associated with the object
  • Glomeruli projections overlap in olfactory cortex and individual cortical neurons receive input from multiple glomeruli. The overlapping activation is associated with the object

5. Each OSN...?

  • Receive input from glomeruli
  • Are resistant to damage due to highly internalised structure
  • Expresses just one type of receptor
  • Has broad non-specific connections

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