Biology
12th Edition
ISBN: 9780134813448
Author: Audesirk, Teresa, Gerald, Byers, Bruce E.
Publisher: Pearson,
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Question
Chapter 34, Problem 6FIB
Summary Introduction
Introduction:
The respiratory system consists of respiratory passage that extends through head, neck and the lungs. The primary function associated with the respiratory system is breathing. It has many other purposes also such as air passage, exchange of gases, odor detection and sound production. Breathing occurs as inspiration and expiration cause the bulk flow of air to enter and exit the lungs.
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Which statement about the regulation of respiration is FALSE?
Group of answer choices
Respiratory centers in the medulla control the transition from inspiration to expiration.
Carbon dioxide concentration is the most important chemical stimulus for regulating respiratory rate.
Chemoreceptors in the walls of various arteries are sensitive to carbon dioxide levels in the blood.
A group of neurons in the ventral medulla only become active when we need to breathe forcefully.
Chemoreceptors may be sensitive to oxygen, carbon dioxide, and/or hydrogen ion concentration.
How does the Diaphrgan facilitate breathing?
a.) To breathe in, the diaphragam moves caudally to decrease the volume of the thoracic cavity.
b.) To breathe in, the diaphragam moves cranially to increase the volume of the thoracic cavity.
c.) To breathe in, the diaphragam moves caudally to increase the volume of the thoracic cavity.
d.) To breathe in, the diaphragam moves cranially to decrease the volume of the thoracic cavity.
The rhythmic control of breathing is produced by the activity of inspiratory and expiratory neurons in a. the medulla oblongata. b. the apneustic center of the pons. c. the pneumotaxic center of the pons. d. the cerebral cortex.
Chapter 34 Solutions
Biology
Ch. 34.1 - explain how organismal respiration supports...Ch. 34.1 - describe the adaptations of respiratory surfaces...Ch. 34.1 - explain why bulk flow is required for respiration?Ch. 34.2 - Prob. 1HYEWCh. 34.2 - How does the insect tracheal system compensate for...Ch. 34.2 - How do the respiratory adaptations of amphibians...Ch. 34.2 - explain the four stages of gas exchange in animals...Ch. 34.2 - explain the respiratory adaptations of fish?Ch. 34.2 - Prob. 3CYLCh. 34.3 - Prob. 1TC
Ch. 34.3 - How does contracting the diaphragm muscle and the...Ch. 34.3 - If you have sleep apnea, you never get a good...Ch. 34.3 - Prob. 3TCCh. 34.3 - Prob. 1CYLCh. 34.3 - explain the mechanics of breathing?Ch. 34.3 - Prob. 3CYLCh. 34.3 - Prob. 2CSCCh. 34.4 - Prob. 1TCCh. 34.4 - Prob. 1CYLCh. 34.4 - Prob. 2CYLCh. 34.4 - Prob. 1CTCh. 34 - Which of the following in not true of respiratory...Ch. 34 - Prob. 2MCCh. 34 - Which of the following statements is False? a....Ch. 34 - Prob. 4MCCh. 34 - Prob. 5MCCh. 34 - Prob. 1FIBCh. 34 - Prob. 2FIBCh. 34 - Which part of the conducting portion of the...Ch. 34 - Prob. 4FIBCh. 34 - Prob. 5FIBCh. 34 - Prob. 6FIBCh. 34 - Describe how fish gills work, including the basic...Ch. 34 - How does the respiratory system of a frog change...Ch. 34 - Prob. 3RQCh. 34 - Prob. 4RQCh. 34 - Prob. 5RQCh. 34 - Prob. 6RQCh. 34 - What events occur during human inhalation? During...Ch. 34 - Prob. 8RQCh. 34 - Prob. 9RQCh. 34 - Explain how the structure and arrangement of...Ch. 34 - Prob. 1ACCh. 34 - Nicotine is responsible for keeping smokers...Ch. 34 - Prob. 3AC
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Similar questions
- Oxygen in air must diffuse across______ to enter the blood. a. pleural sacs b. alveolar sacs c. a moist respiratory surface d. both b and carrow_forwardThe respiratory system_______. a. provides body tissues with oxygen b. provides body tissues with oxygen and carbon dioxide c. establishes how many breaths are taken per minute d. provides the body with carbon dioxidearrow_forwardWhich is the order of airflow during inhalation? a. nasal cavity, trachea, larynx, bronchi, bronchioles, alveoli b. nasal cavity, larynx, trachea, bronchi, bronchioles, alveoli c. nasal cavity, larynx, trachea, bronchioles, bronchi, alveoli d. nasal cavity, trachea, larynx, bronchi, bronchioles, alveoliarrow_forward
- In the diagram below, label the parts of the respiratory system and the structures that enclose some of its partsarrow_forwardFigure 39.7 Which of the following statements about the mammalian respiratory system is false? When we breathe in, air travels from the pharynx to the trachea. The bronchioles branch into bronchi. Alveolar ducts connect to alveolar sacs. Gas exchange between the lung and blood takes place in the alveolus.arrow_forwardUnderwater, we humans cant compete with whales and other air-breathing marine mammals, which can stay submerged for extended periods. At the beach one day you meet a surfer who tells you that special training could allow her to swim underwater without breathing for an entire hour. From what you know of respiratory physiology, explain why she is mistaken.arrow_forward
- When we think of breathing, we seem to only think about inhaling and exhaling air in and out of our lungs. What else is there to the whole process of breathing? Describe that which is neede to maintain homeostasis by the lungs.arrow_forwardThe nature of the sounds produced by percussion (tapping) of a patient’s chest can tell a physician a great deal about the condition of the organs within the thoracic cavity. Healthy, air-filled lungsresonate, or sound hollow. How do you think the lungs of a person with emphysema would sound in comparison to healthy lungs? What kind of sounds would be produced by a collapsed lung, or one thatwas partially filled with fluid?arrow_forwardPeople usually think of the lungs and breathing when they think of the respiratory system. describe the other not so well known processes of the respiratory system.arrow_forward
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