EBK HUMAN ANATOMY & PHYSIOLOGY
16th Edition
ISBN: 8220100659836
Author: AMERMAN
Publisher: PEARSON
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Textbook Question
Chapter 21, Problem 5CYR
Fill in the blanks: The structures that vibrate to produce sound are called the _____. A higher-pitched sound is produced when they are_______; a lower-pitched sound is produced when they are ________.
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It is harder to know a sound's location with your eyes closed when it is either directly in front of you or directly behind. What
explains this phenomenon?
Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer.
a
b
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d
e
The ability to find the source of the sound is dependent on vision.
The ability to find the source of the sound is dependent on the differences in volume in both ears.
The ability to find the source of the sound is dependent on the time it takes to reach each ear.
A, B, and C are correct.
B and C are correct.
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Explain how we are able to differentiate pitch and loudness, and to localize the source of sounds.
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G
D
E
F
Identify the structures that are involved in sound transmission in the correct sequence.
Select one:
a. D, E, A, B, G
b. D, E, A, C, G
O c. D, E, A, B, F
d. D, E, A, B, C, G
Chapter 21 Solutions
EBK HUMAN ANATOMY & PHYSIOLOGY
Ch. 21.1 - What are the main structures of the respiratory...Ch. 21.1 - 2. Is the larynx part of the upper or lower...Ch. 21.1 - Where are alveoli? What is their basic function?Ch. 21.1 - 4. List and define the four processes that make...Ch. 21.1 - 5. How does the respiratory system contribute to...Ch. 21.1 - List and describe four functions of the...Ch. 21.2 - Match the following terms with the correct...Ch. 21.2 - 2. Describe the external and internal structure...Ch. 21.2 - What happens to the glottis and the pitch of the...Ch. 21.2 - 4. What is the function of the tracheal mucosa?
Ch. 21.2 - How does the epithelium of the bronchial tree...Ch. 21.2 - Trace the pathway from the primary bronchi to the...Ch. 21.2 - 7. What structures make up the respiratory...Ch. 21.2 - Explain the structure of the pleural cavities.Ch. 21.3 - 3. What drives the movement of gases during...Ch. 21.3 - What does the intrapleural pressure prevent under...Ch. 21.3 - 5. How are inspiration and expiration achieved?
Ch. 21.3 - 6. What is airway resistance? What is the main...Ch. 21.3 - How does surfactant decrease surface tension?Ch. 21.3 - What drives the movement of gases?Ch. 21.3 - Prob. 7QCCh. 21.3 - Prob. 8QCCh. 21.4 - 1. How does the pressure gradient between two gas...Ch. 21.4 - Prob. 2QCCh. 21.4 - 3. What takes place during pulmonary gas...Ch. 21.4 - Prob. 4QCCh. 21.4 - Prob. 5QCCh. 21.4 - What are three factors that influence the...Ch. 21.5 - How is the majority of oxygen transported through...Ch. 21.5 - How do temperature, pH, PCO2, and BPG affect Hbs...Ch. 21.5 - 3. Why is the S shape of the oxygen-hemoglobin...Ch. 21.5 - What are the three ways in which the body...Ch. 21.5 - Prob. 5QCCh. 21.5 - Prob. 6QCCh. 21.6 - 1. Which steps of respiration rely on partial...Ch. 21.7 - 1. Which collection of neurons generates the...Ch. 21.7 - What are the functions of the dorsal and ventral...Ch. 21.7 - 3. Where are the central chemoreceptors located?...Ch. 21.7 - What do the central chemoreceptors trigger if...Ch. 21.7 - Prob. 5QCCh. 21.8 - 1. What are the differences between obstructive...Ch. 21.8 - 2. What are the three subtypes of COPD? What is...Ch. 21.8 - Prob. 3QCCh. 21 - Which of the following are functions of the...Ch. 21 - Prob. 2CYRCh. 21 - 3. Mark the following statements as true or false....Ch. 21 - Prob. 4CYRCh. 21 - 5. Fill in the blanks: The structures that vibrate...Ch. 21 - Prob. 6CYRCh. 21 - Prob. 7CYRCh. 21 - Prob. 8CYRCh. 21 - Match each term with the correct definition....Ch. 21 - Prob. 10CYRCh. 21 - Which of the following does not affect the...Ch. 21 - Prob. 12CYRCh. 21 - Fill in the blanks: When the alveolar PO2...Ch. 21 - Prob. 14CYRCh. 21 - Match the following terms with the correct...Ch. 21 - 16. Fill in the blanks: Hyperventilation causes...Ch. 21 - The basic rhythm for breathing is maintained by...Ch. 21 - Prob. 18CYRCh. 21 - Prob. 19CYRCh. 21 - Prob. 20CYRCh. 21 - Prob. 1CYUCh. 21 - Prob. 2CYUCh. 21 - Prob. 3CYUCh. 21 - Prob. 4CYUCh. 21 - 1. When a person hyperventilates, what happens to...Ch. 21 - Prob. 2AYKACh. 21 - Prob. 3AYKACh. 21 - Prob. 4AYKACh. 21 - 5. Mrs. Jordan is brought to the emergency room by...Ch. 21 - What happens to the metabolic rate of skeletal...
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- Create a list of two external and two internal factors that hinder your ability to hear clearly.arrow_forwardA major function of the middle ear is to transmit sound vibrations from the external ear to the inner ear. Use words and arrows to make a flow-chart (words with arrows) that depicts the middle ear structures in the order in which sound vibrations are passed as they make their way from the tympanic membrane to the inner ear.arrow_forwardTrace the pathway of a sound wave from where it enters the ear, to the organ of Corti by naming the structures that it passes through or impacts along the way. (Hint: I count 8 major structures before it enters the Organ of Corti proper)arrow_forward
- The auditory system's time (or rate) code is used to discriminate among complex sound patterns. different sound rhythms. very low pitches. spatial locations of sounds.arrow_forwardBrains are capable of using _____________ of a sound wave to establish pitch. Sound waves can also establish loud sounds by _______________.arrow_forwardHigh intensity (loud) sounds can cause deafness because they are most damaging to the hair cells of the spiral organ of Corti tympanic membrane bones of the middle ear vestibular system What is the first brain structure to receive input from both ears and is important in locating the direction of sound? The superior olive Cochlear nuclei Inferior colliculus The primary auditory cortexarrow_forward
- Arrange the events involved in hearing = waves are created in the perilymph = basilar membrane is distorted = hair cells are stimulated =auditory ossicles are displaced = tympanic membrane vibratesarrow_forwardAuditory system is a sensory system for the sense of hearing. The system includes sensory external organs and the internal parts. Summarize the pathway of sound transduction until the sound could be heard.arrow_forwardOne of the mechanisms that the auditory system uses to localize sound is referred to as interaural time difference (ITD). Where in the brain does this takes place and explain how this mechanism would enable you to localize a sound coming from your left side.arrow_forward
- How do we hear sounds? You can use illustration to explain.arrow_forwardDescribe the processes that occur that allow sound waves arriving at our external ear or pinna to become converted to electrical impulses in the cochlea or inner eararrow_forwardMore than 1.1 billion young adults are at risk for hearing loss according to World Health Organization (WHO, 2015). The primary reason is increasing use of personal audio devices with headphones or earphones. Hearing loss is of two main types: conduction deafness and perception deafness. Young adults are more likely to experience perception or nerve deafness. Which of the following parts of the ear is not involved in nerve deafness? Select one: a. Organ of Corti b. Semicircular canal C. Auditory nerve and basilar membrane d. Sensory neurons and hair cellsarrow_forward
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