Fundamentals of Anatomy & Physiology Plus Mastering A&P with eText - Access Card Package (10th Edition) (New A&P Titles by Ric Martini and Judi Nath)
10th Edition
ISBN: 9780321908599
Author: Frederic H. Martini, Judi L. Nath, Edwin F. Bartholomew
Publisher: PEARSON
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Chapter 17, Problem 18RQ
Summary Introduction
To determine:
The olfactory pathway from the time an odor reaches the olfactory epithelium till the nerve impulse reaches the final destination.
Introduction:
The ability of smell is achieved by olfactory organs that are a part of the nasal cavity. The nasal cavity is lined with the olfactory sensory neurons that aids in detecting the fragrance from the airborne particles. As the air enters the nasal cavity, the particles also enter the cavity along with the air. The swirling action of air brings the water and fat soluble odorants in contact with the sensors.
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Students have asked these similar questions
Describe the path of nerve impulses from olfactory receptors to the parts of the brain to be processed.
Which of the following statements is true regarding olfactory information?
the olfactory receptors are located in the olfactory bulb
the glomeruli are organized by connections with specific olfactory receptor types
the olfactory tract axons go directly to the orbitofrontal cortex
odorants are detected on the cell bodies of the olfactory receptors
Draw a simple circuit showing the path of odor signals from nasal epithelium to the olfactory bulb, then to the olfactory cortex, and on to the sensory motor cortex.
Chapter 17 Solutions
Fundamentals of Anatomy & Physiology Plus Mastering A&P with eText - Access Card Package (10th Edition) (New A&P Titles by Ric Martini and Judi Nath)
Ch. 17 - Prob. 1CPCh. 17 - Prob. 2CPCh. 17 - Prob. 3CPCh. 17 - Prob. 4CPCh. 17 - If you completely dry the surface of your tongue...Ch. 17 - Prob. 6CPCh. 17 - Prob. 7CPCh. 17 - Prob. 9CPCh. 17 - Prob. 10CPCh. 17 - Prob. 8CP
Ch. 17 - Prob. 11CPCh. 17 - Prob. 12CPCh. 17 - Prob. 13CPCh. 17 - Prob. 14CPCh. 17 - Prob. 15CPCh. 17 - Prob. 16CPCh. 17 - Prob. 1RQCh. 17 - Prob. 2RQCh. 17 - A blind spot occurs in the retina where (a) the...Ch. 17 - Sound waves are convened into mechanical movements...Ch. 17 - The basic receptors in the internal ear are the...Ch. 17 - Prob. 6RQCh. 17 - At sunset, your visual system adapts to (a) fovea...Ch. 17 - Prob. 8RQCh. 17 - The malleus, incus, and stapes are the tiny bones...Ch. 17 - Identify the structures of the external, middle,...Ch. 17 - Prob. 11RQCh. 17 - Prob. 12RQCh. 17 - Prob. 13RQCh. 17 - Prob. 14RQCh. 17 - Prob. 15RQCh. 17 - Prob. 16RQCh. 17 - Prob. 17RQCh. 17 - Prob. 18RQCh. 17 - Prob. 19RQCh. 17 - Prob. 20RQCh. 17 - Prob. 21RQCh. 17 - Prob. 22RQCh. 17 - Prob. 23RQCh. 17 - Prob. 24RQCh. 17 - Prob. 25RQCh. 17 - Prob. 26RQCh. 17 - Prob. 27RQCh. 17 - Prob. 28RQCh. 17 - Prob. 1CCCh. 17 - Prob. 2CC
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- Trace the pathway of an olfactory impulse from a receptor to the cerebrum.arrow_forwardDescribe the initiation of an action potential in an olfactoryneuron. Name all of the structures and cells that the actionpotential encounters on its way to the olfactory cortexarrow_forwardDescribe the olfactory pathways that relay sensory input to the brain.arrow_forward
- In the olfactory system, a single mitral cell will receive input from: Group of answer choices Olfactory neurons spread around the nasal epithelium Olfactory neurons in a concentrated nucleus Primary auditory cortex neurons Mostly interneuronsarrow_forwardWhich of the following statements about olfactory receptors is not true? A Stronger odours cause more olfactory receptors to respond or fire than weaker odours do. B) The axons of the olfactory receptor cells reach directly into the brain c) There are at least 1000 different types of olfactory receptors for different odours D Olfactory neurons last a lifetime, and cannot be replaced once they are destroyedarrow_forwardDescribe the different steps in smell perception from the odor source to the primary olfactory cortex.arrow_forward
- (a) What is the precise location of the olfactory epithelium?(b) Trace the pathway of olfactory stimuli from the olfactory epithelium to the cerebral cortex.arrow_forwardDescribe the pathway of taste reception from the point where food comes into contact with the tongue to the point at which taste information travels to the brain. Briefly describe the structure and function of each organ along the pathway.arrow_forwardDescribe olfactory neurons and explain how airbornemolecules can stimulate action potentials in olfactorynervesarrow_forward
- Name the components of olfactory organs and write their functions.arrow_forwardDefine olfactory receptors.arrow_forwardThe right hemisphere piriform cortex exhibits a distinct pattern of activation in response to a particular scent. Given this, which of the following is true? a) The pattern of activation observed in the right hemisphere piriform cortex corresponds to the pattern of activation across the glomeruli in the left olfactory bulb. b)The activity in the right hemisphere piriform cortex was not influenced by the quantity of odorant molecules that entered the olfactory epithelium. c)The odorant molecules that made up the smell were of different shapes and therefore activated different receptors in the right nostril, creating a unique pattern that is conserved first across the olfactory bulb, then along the olfactory tract, then within the thalamus, and then finally in the right hemisphere piriform cortex. d) The activity in the right hemisphere piriform was initiated by the binding of odorant molecules to G-protein coupled receptors in the right nostril.arrow_forward
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