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Olfactory Pathways and Affective Nature of Smell

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Olfactory Pathways and Affective Nature of Smell

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Questions and Answers

Which of the following statements about olfactory receptor cells is correct?

They are unipolar neurons with dendrites projecting through the cribriform plate.

They are unipolar neurons with axons terminating in the olfactory epithelium.

They are bipolar neurons with axons projecting through the cribriform plate. (correct)

They are multipolar neurons with dendrites extending into the olfactory bulb.

What are the sites of olfactory transduction in olfactory receptor cells?

Nonmotile olfactory cilia extending from the dendrite (correct)

Secretory granules within supporting cells

Bowman's glands in the connective tissue

Microvilli on the mucosal border of supporting cells

Which type of cells are responsible for producing mucus that dissolves odorants in the olfactory epithelium?

Olfactory receptor cells

Basal cells

Supporting cells

Bowman's glands (correct)

Which of the following is NOT a type of cell found in the olfactory epithelium?

Goblet cells Signup and view all the answers

What is the function of basal cells in the olfactory epithelium?

They are undifferentiated stem cells that give rise to olfactory receptor cells. Signup and view all the answers

What is the primary function of supporting cells in the olfactory epithelium?

To provide structural support and nourishment to olfactory receptor cells Signup and view all the answers

Which part of the nasal cavity does the olfactory epithelium occupy?

The superior part of the nasal cavity Signup and view all the answers

Which of the following statements about odorants is correct?

Odorants are dissolved in mucus produced by Bowman's glands. Signup and view all the answers

Which area of the brain receives direct input from the olfactory receptor cells?

The olfactory bulb Signup and view all the answers

Which of the following statements about the lateral and medial olfactory areas is correct?

Both the lateral and medial olfactory areas receive direct input from the olfactory bulb. Signup and view all the answers