Human Anatomy & Physiology
1st Edition
ISBN: 9780805382952
Author: Erin C. Amerman
Publisher: PEARSON
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Chapter 15, Problem 1CYU
Explain what would happen to your sense of smell if there were no basal cells present in the olfactory epithelium.
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What would happen to your sense of smell if there were damage to basal cells or no basal cells present in the olfactory epithelium?
Describe 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 cortex
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 15 Solutions
Human Anatomy & Physiology
Ch. 15.1 - Compare and contrast the general and special...Ch. 15.1 -
2. Which structural type of nerve (spinal,...Ch. 15.2 - 1. Where is the olfactory epithelium located?
Ch. 15.2 - 2. What types of cells make up the olfactory...Ch. 15.2 - Describe the structure of an olfactory neuron.Ch. 15.2 - What happens in an olfactory neuron when an...Ch. 15.2 - How can humans detect such a variety of odors with...Ch. 15.2 - Prob. 6QCCh. 15.3 - Where are taste buds located?Ch. 15.3 - Prob. 2QC
Ch. 15.3 - Prob. 3QCCh. 15.3 - Prob. 4QCCh. 15.3 - Prob. 5QCCh. 15.3 - 6. Which cranial nerves transmit taste sensation...Ch. 15.3 - 7. Which part of the brain is responsible for...Ch. 15.4 - Prob. 1QCCh. 15.4 - Trace the path of tears as they travel from the...Ch. 15.4 - 3. Which two extrinsic eye muscles move the eye...Ch. 15.4 - Prob. 4QCCh. 15.4 - 5. What are the functions of each component of...Ch. 15.4 - Prob. 6QCCh. 15.5 - Prob. 1QCCh. 15.5 - Prob. 2QCCh. 15.5 - What is accommodation?Ch. 15.5 - Prob. 4QCCh. 15.5 - 5. What is the near point of accommodation, and...Ch. 15.5 - How are rods different from cones?Ch. 15.5 - Why are photoreceptors depolarized in the dark?Ch. 15.5 - How do rods hyperpolarize when light strikes them?...Ch. 15.5 - 10. What happens at the optic chiasma? What is...Ch. 15.5 - 11. What type of visual processing occurs in the...Ch. 15.6 - 1. What is the auricle?
Ch. 15.6 - What is the purpose of cerumen?Ch. 15.6 - 3. Where is the tympanic membrane located?
Ch. 15.6 - Prob. 4QCCh. 15.6 - What is the role of the pharyngotympanic tube?Ch. 15.6 - Prob. 6QCCh. 15.6 - What are the functions of the utricle, saccule,...Ch. 15.6 - How are the scala tympani, scala media, and scala...Ch. 15.6 - 8. What is the spiral organ, and where is it...Ch. 15.7 - 1. What physical properties determine the pitch...Ch. 15.7 - 2. What is the range (in hertz) of human...Ch. 15.7 - 3. Why is the force exerted on the oval window...Ch. 15.7 - Prob. 4QCCh. 15.7 - Prob. 5QCCh. 15.7 - Prob. 6QCCh. 15.7 - Prob. 7QCCh. 15.7 - Prob. 8QCCh. 15.8 - How do static and dynamic equilibrium differ?Ch. 15.8 - 2. What role do the utricle and saccule play in...Ch. 15.8 - What role do they play in dynamic equilibrium?Ch. 15.8 - Prob. 4QCCh. 15.8 - 5. What are the three primary areas of the...Ch. 15 - Match the cell type with the correct stimulus....Ch. 15 - 2. The axons of the olfactory nerve terminate in...Ch. 15 - 3. Fill in the blanks: In an olfactory neuron, the...Ch. 15 - The primary olfactory cortex is located in the: a....Ch. 15 - 5. Which of the following statements is true...Ch. 15 - Match the taste with the chemical substance that...Ch. 15 - Prob. 7CYRCh. 15 - Prob. 8CYRCh. 15 - 9. Which cells in the retina are depolarized in...Ch. 15 - Prob. 10CYRCh. 15 - Each of the following statements is false. Correct...Ch. 15 - The axons from the nasal retina in the left eye...Ch. 15 - Mark the following statements as true or false. If...Ch. 15 - Explain how sounds of different frequencies are...Ch. 15 - Prob. 15CYRCh. 15 - Prob. 16CYRCh. 15 - Prob. 17CYRCh. 15 - 18. True or false: Hair cells in the spiral organ...Ch. 15 - 19. Which of the following is not part of the...Ch. 15 - 20. Fill in the blanks: In the ampulla of a...Ch. 15 - Stimuli from the inner ear regarding head movement...Ch. 15 - 1. Explain what would happen to your sense of...Ch. 15 - In which direction would you be unable to move...Ch. 15 - If a patient suffers visual impairment only in one...Ch. 15 - 4. Following a stroke, a patient lost vision in...Ch. 15 - When standing with your eyes closed, why do you...Ch. 15 - Why do you have the sensation that you are still...Ch. 15 - 1. Mr. Spencer suffers loss of taste sensation....Ch. 15 - Prob. 2AYKACh. 15 - Prob. 3AYKACh. 15 - Mrs. Flores is a 45-year-old female who suffered a...Ch. 15 - 6. Your 60-year-old patient, Mr. Guster, has...
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- Which of the following statements about the olfactory system is true? Question 2 options: Turbinates are always in motion to sweep odorants up to the olfactory epithelium. All odorants must reach the olfactory epithelium through the nose. The two nasal cavities sample different sections of air providing a binasal experience. Olfactory receptor neurons die after about a month and must be resupplied.arrow_forwardGive an example of olfactory Epitheliumarrow_forwardWhich two of the following are part of the olfactoryorgans?a. olfactory receptorsb. columnar epithelial cells in the nasal mucosac. the nosed. the brainarrow_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_forwardThere are only five distinct basic tastes, but thousands of different odors. Demonstrate your understanding of the olfactory system by making a reasonable hypothesis that explains how a vast number of chemical odorants can be recognized?arrow_forwardDescribe the pathway by which olfactory stimuli travel from thenasal cavity to the brainarrow_forward
- what statement is true about Olfactory epithelium and bulb a. Olfactory neurons in the olfactory epithelium are bipolar neurons. Their distal ends are enlarged as olfactory vesicles, which have long cilia. b. The cilia have receptors that respond to dissolved substances. There are approximately 1000 different odorant receptors. c. The receptors activate a G protein complex, which opens ion channels. d. At least 7 (perhaps 50) primary odors exist. The olfactory neurons have a very low threshold and accommodate rapidly.arrow_forwardOlfactory receptors are foundarrow_forwardWhich 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 receptorsarrow_forward
- what statement is false about Olfactory epithelium and bulb a. Olfactory neurons in the olfactory epithelium are bipolar neurons. Their distal ends are enlarged as olfactory vesicles, which have long cilia. b. The cilia have receptors that respond to dissolved substances. There are approximately 1000 different odorant receptors. c. The receptors activate a G protein complex, which opens ion channels. d. At least 7 (perhaps 50) primary odors exist. The olfactory neurons have a very low threshold and accommodate rapidly.arrow_forwardWhere are olfactory neurons located? Explain their structurearrow_forwardWhich of the following neurons presents in the olfactory area of the brain? O A. Bipolar O B. all answers are correct O C. Multipolararrow_forward
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