Which is correct about the relationship between odorants and receptors?
A. (A) each odorant has its specific receptor
B. (B) one odorant can interact with only three receptors
C. (C) different odorants are detected by different combinations of receptors
D. (D) one receptor can detect all odorants
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What is the coding scheme in the olfactory system?
A. (A) time coding
B. (B) labeled-line coding
C. (C) population coding
D. (D) rate coding
Which receptor type is responsible for olfactory transduction?
A. (A) mechanoreceptors
B. (B) thermal receptors
C. (C) G protein-coupled receptors
D. (D) photoreceptors
What type of synaptic connection between granule cells and Mitral cells is used for odorant contrast enhancement?
A. (A) reciprocal dendrodendritic synapses
B. (B) reciprocal dendrosomatic synapses
C. (C) reciprocal dendroaxonic synapses
D. (D) reciprocal axosomatic synapses
Which is wrong about the vomeronasal organ?
A. (A) distinct class of olfactory receptor neurons
B. (B) sends signals to the accessory olfactory bulb
C. (C) detects pheromone
D. (D) identified in humans
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