The most sensitive taste buds are found in _____ papillae.
A. formate
B. filiform
C. fungiform
D. vallate
E. foliate
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Question 2) Taste buds are not associated with _____ papillae.
A. foliate
B. filiform
C. fungiform
D. vallate
E. papilliform
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Question 3) Sensory structures that detect taste are
A. palates.
B. papillae.
C. taste buds.
D. ciliary membranes.
E. thermoreceptors.
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Question 4) The olfactory cortex is located in the _____ lobe and the secondary olfactory areas are located in the ___ lobe.
A. frontal, temporal
B. frontal, parietal
C. parietal, temporal
D. temporal, frontal
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Question 5) Which of the following is NOT a primary odor class?
A. umami
B. floral
C. putrid
D. pepperminty
E. ethereal
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Question 6) What ion(s) cause(s) depolarization in olfactory neurons?
A. Na+
B. Ca2+
C. K+
D. Both Na+ and K+
E. Both Na+ and Ca2+
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Question 7) What molecule is activated from the binding of an odorant to transmembranous receptor molecules on olfactory hairs?
A. cAMP
B. calmodulin
C. troponin
D. G protein
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Question 8) Which of the special senses contains receptor neurons that are the only nerve cells in direct contact with the outside environment?
A. equilibrium
B. hearing
C. smell
D. taste
E. vision
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Question 9) The ability of the olfactory system to adapt to a particular odor may involve
A. sensitivity of the olfactory cortex.
B. an increase in the sensitivity at the receptor sites.
C. neurons from the medial olfactory area stimulating mitral cells and tufted cells.
D. the intermediate olfactory area sending inhibiting impulses to the olfactory bulb.
E. molecules that do not bind to receptors anymore.
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Question 10) The medial olfactory area
A. provides emotional reactions to odors.
B. is the site of conscious perception of odors.
C. generates action potentials in olfactory neurons.
D. modulates the sense of olfaction within the olfactory bulb.
E. is the area where chemicals bind to receptors.
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