Human Anatomy & Physiology (2nd Edition)
2nd Edition
ISBN: 9780134553511
Author: Erin C. Amerman
Publisher: PEARSON
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Chapter 15, Problem 16CYR
Summary Introduction
Introduction:
The primary function of the inner ear is to convert sound into action potential, which can be interpreted by the brain. Other functions of the inner ear are to track the bodyand the headposition and maintain balance. Various structures in the vestibular system of the inner ear help to achieve these functions.
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The utricle and saccule are located in the inner ear. They contain otoliths on top of gel-like fluid and are involved in detecting gravitational equilibrium.
Which of the following scenarios does NOT involve the utricle and saccule?
a. Riding in an elevator
b. Tilting your head forward
c. Abruptly stopping the car at a red light in an intersection
d. Spinning clockwise, then spinning counterclockwise to try to get rid of the queasy feeling
Before synapsing in the thalamus, the classical auditory pathway synapses in the:
a. Dorsal column nuclei
b.Superior colliculus
c.Inferior colliculus
d.Suprachiasmatic nucleus
The utricle and saccule are located in the inner ear. They contain otoliths on top of gel-like fluid
and are involved in detecting gravitational equilibrium.
Which of the following scenarios does NOT involve the utricle and saccule?
Select one:
a. Riding in an elevator
b. Tilting your head forward
c. Abruptly stopping the car at a red light in an intersection
d. Spinning clockwise, then spinning counterclockwise to try to get rid of the queasy feeling
Chapter 15 Solutions
Human Anatomy & Physiology (2nd Edition)
Ch. 15.1 - What are the three major differences between the...Ch. 15.1 - What is sensory transduction?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 - How does a gustatory cell transduce a chemical...Ch. 15.3 - 6. Which cranial nerves transmit taste sensation...Ch. 15.3 - 7. Which part of the brain is responsible for...Ch. 15.4 - What are the functions of the tarsal glands and...Ch. 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 - 6. What are the two fluids found in the eyeball?...Ch. 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 - 6. How do myopia and hyperopia differ?
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 - 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 - Why do you have the sensation that you are still...Ch. 15 - 1. Mr. Spencer suffers loss of taste sensation....Ch. 15 - 2. Your friend tells you that she has just been...Ch. 15 - Prob. 3AYKACh. 15 - Prob. 4AYKACh. 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 is accurate about the maculae of the vestibular apparatus? a. They detect rotational movements of the head. b. They are located in the semicircular canal. c. Nerve signals are generated when the otolithic membrane bends the stereocilia of the hair cells. d. They are the organs of hearing.arrow_forwardIf someone has spatial neglect of the left side, which of these procedures, if any, would increase attention to a touch sensationon the left side?A. Ask the person to look to the left during the touch sensation.B. Ask the person to look to the right during the touch sensation.C. Ask the person to listen to music during the touch sensation.D. None of these procedures would have any noticeable effect.arrow_forwardBenign Paroxysmal Positional Vertigo is a disorder where some of the calcium carbonate crystals in the utricle migrate into the semicircular canals. Why does this condition cause periods of dizziness? a. The hair cells in the semicircular canals will be constantly activated. b. The hair cells in the semicircular canals will now be stimulated by gravity. c. The utricle will no longer recognize acceleration. d. There will be too much volume in the semicircular canals for them to detect motion.arrow_forward
- Rotation of the head is detected primarily by the A. semicircular canals B. cochlea C. utricle .D. saccule .arrow_forwardThe inner ear is responsible for both hearing and balance. One of the diseases affecting the inner ear is Meniere's disease. Affected individuals often experience vertigo, among other symptoms. Vertigo is a sensation that the surrounding is spinning or swaying in the absence of any body movement. Which of the following rows correctly identifies the affected structure and process in individuals experiencing vertigo? Select one: a. Structure Process Semicircular canals Rotational equilibrium b. Structure Process Semicircular canals Gravitational equilibrium c. Structure Process Organ of Corti Gravitational equilibrium d. Structure Process Organ of Corti Rotational equilibriumarrow_forwardWhile studying in a noisy cafeteria, you get sleepy and doze off for a few minutes. You awaken with a start and realize that all the cafeteria sounds have just “come back.” While you were dozing, this auditory input was blocked from reaching your auditory cortex bya. the temporal lobe.b. the thalamus.c. the reticular activating system.d. the medulla oblongata.e. the vestibulocochlear nerve.arrow_forward
- The axons from the nasal retina in the left eye terminate in the: a. right lateral geniculate nucleus. b. left lateral geniculate nucleus. c. right medial occipital lobe. d. left medial occipital lobearrow_forwardMark the following statements as true or false. If a statement is false, correct it to make a true statement. a. The incus is connected to the tympanic membrane. b. The stapes is attached to the oval window. c. The auditory canal is separated from the middle ear by the round window. d. The cochlear duct is filled with perilymph. e. The semicircular ducts are connected to the utricle, and the cochlear duct is continuous with the saccule. f. The spiral organ is located in the scala tympani.arrow_forwardWhich of the following is not part of the auditory pathway in the CNS? a. Superior temporal lobe b. Superior colliculus c. Medial geniculate nucleus d. Nuclei in the pons e. Cochlear nucleiarrow_forward
- The cranial nerves responsible for eye muscle movement are the oculomotor, trochlear, anda. abducens.b. vestibulocochlear.c. accessory.d. hypoglossal.arrow_forwardThe lowest level of stimulation that a person can consciously detect 50 percent of the time the stimulation is present is called a. absolute threshold. c. sensation. b. just noticeable difference. d. sensory adaptation.arrow_forwardWhich of the following relays in the auditory system is the closest to the ear? Select one: a. superior olives b. cochlear nucleus c. inferior colliculus d. medial geniculate nucleus e. primary auditory cortexarrow_forward
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