SEELEY'S ANATOMY+PHYSIOLOGY
12th Edition
ISBN: 9781260172195
Author: VanPutte
Publisher: RENT MCG
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Textbook Question
Chapter 23, Problem 19RAC
Which of these parts of the brainstem is correctly matched with its main function?
a. ventral respiratory groups—stimulate the diaphragm
b. dorsal respiratory groups—limit inflation of the lungs
c. pontine respiratory group—is involved in the switch between inspiration and expiration
d. All of these are correct.
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Chapter 23 Solutions
SEELEY'S ANATOMY+PHYSIOLOGY
Ch. 23.1 - List the components of the respiratory system.Ch. 23.2 - Prob. 2AYPCh. 23.2 - Explain the functions of the respiratory system.Ch. 23.3 - Prob. 4AYPCh. 23.3 - Explain how the conducting zone differs from the...Ch. 23.3 - Describe the structures of the nasal cavity.Ch. 23.3 - Prob. 7AYPCh. 23.3 - Prob. 8AYPCh. 23.3 - Prob. 9AYPCh. 23.3 - Distinguish between the vestibular and vocal...
Ch. 23.3 - How does the position of the arytenoid cartilages...Ch. 23.3 - What are the four functions of the larynx?Ch. 23.3 - Explain the branching of the tracheobronchial...Ch. 23.3 - Describe the arrangement of cartilage, smooth...Ch. 23.3 - How is debris removed from the trocheobronchial...Ch. 23.3 - Name the two types of cells in the alveolar wall,...Ch. 23.3 - Prob. 17AYPCh. 23.3 - Distinguish among a lung, a lung lobe, a...Ch. 23.3 - Prob. 19AYPCh. 23.3 - What are the two major routes of blood flow to and...Ch. 23.3 - Prob. 21AYPCh. 23.3 - Name the pleurae of the lungs. What is their...Ch. 23.4 - List the muscles of inspiration, and describe...Ch. 23.4 - What is ventilation?Ch. 23.4 - How do pressure differences and resistance affect...Ch. 23.4 - Prob. 26AYPCh. 23.4 - Describe the process of making intra-alveolar...Ch. 23.4 - Prob. 28AYPCh. 23.4 - Differentiate among inspiratory capacity,...Ch. 23.4 - Prob. 30AYPCh. 23.4 - Prob. 31AYPCh. 23.4 - Prob. 32AYPCh. 23.4 - What is dead space? Control anatomical dead space...Ch. 23.4 - According to Dalton's law. what is the partial...Ch. 23.4 - Why are the compositions of inspired, alveolar,...Ch. 23.4 - Prob. 36AYPCh. 23.5 - What are the assigned values for barometric air...Ch. 23.5 - Prob. 38AYPCh. 23.5 - Prob. 39AYPCh. 23.5 - Prob. 40AYPCh. 23.5 - Prob. 41AYPCh. 23.5 - Prob. 42AYPCh. 23.5 - Prob. 43AYPCh. 23.5 - Prob. 44AYPCh. 23.5 - Does O2 or CO2 diffuse more easily through the...Ch. 23.5 - Prob. 46AYPCh. 23.5 - Prob. 47AYPCh. 23.5 - Prob. 48AYPCh. 23.6 - Prob. 49AYPCh. 23.6 - Prob. 50AYPCh. 23.6 - Prob. 51AYPCh. 23.6 - Prob. 52AYPCh. 23.6 - Prob. 53AYPCh. 23.6 - Prob. 54AYPCh. 23.6 - Prob. 55AYPCh. 23.6 - Prob. 56AYPCh. 23.6 - Prob. 57AYPCh. 23.6 - Prob. 58AYPCh. 23.6 - What is the Haldane effect?Ch. 23.6 - Prob. 60AYPCh. 23.7 - Define the anatomical shunt and the physiological...Ch. 23.7 - Prob. 62AYPCh. 23.7 - Name the three respiratory groups, and describe...Ch. 23.7 - Prob. 64AYPCh. 23.7 - Prob. 65AYPCh. 23.7 - Where are central chemoreceptors and peripheral...Ch. 23.7 - Prob. 67AYPCh. 23.7 - Prob. 68AYPCh. 23.7 - What is hypoxia? Why must arterial Po2 change...Ch. 23.7 - Prob. 70AYPCh. 23.7 - Describe the Hering-Breuer reflex and its...Ch. 23.8 - Why do vital capacity, alveolar ventilation, and...Ch. 23.8 - Prob. 73AYPCh. 23 - The nasal cavity a. has openings, the paranasal...Ch. 23 - The larynx connects the oropharynx to the trachea....Ch. 23 - Terminal bronchioles branch to form a. the...Ch. 23 - Prob. 4RACCh. 23 - During quiet expiration, the a. abdominal muscles...Ch. 23 - Prob. 6RACCh. 23 - Prob. 7RACCh. 23 - Prob. 8RACCh. 23 - Prob. 9RACCh. 23 - Prob. 10RACCh. 23 - Prob. 11RACCh. 23 - Prob. 12RACCh. 23 - Prob. 13RACCh. 23 - Prob. 14RACCh. 23 - Prob. 15RACCh. 23 - Prob. 16RACCh. 23 - Prob. 17RACCh. 23 - Prob. 18RACCh. 23 - Which of these parts of the brainstem is correctly...Ch. 23 - Prob. 20RACCh. 23 - Prob. 21RACCh. 23 - Prob. 1CTCh. 23 - Prob. 2CTCh. 23 - Prob. 3CTCh. 23 - One technique for artificial respiration is...Ch. 23 - Prob. 5CTCh. 23 - Prob. 6CTCh. 23 - Prob. 7CTCh. 23 - Prob. 8CTCh. 23 - Prob. 9CTCh. 23 - Prob. 10CTCh. 23 - Prob. 11CT
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- 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.arrow_forwardVery young infants who suffer from sleep apnea may be more at risk for SIDS, or sudden infant death syndrome. Why might these infants have difficulty breathing? a. Many of these infants are obese and therefore their airways are obstructed. b. The brain stem is not yet fully mature. c. The tissue lining in the nasal passageway may be obstructing their airflow. d. No medical explanation has been determined.arrow_forwardA respiratory chemoreceptor is a sensory receptor that transduces achemical signal into an action potential. Which of the following is FALSEabout the respiratory chemoreceptors? Explain the answer. a. The central chemoreceptor is located at the primary respiratory control in the brain.b. The peripheral chemoreceptors are at the lower airways of the respiratory zone.c. Central chemoreceptors are sensitive to increased carbon dioxide.d. Peripheral chemoreceptors are sensitive to decreased oxygen levels.arrow_forward
- Which of the following structures separates the lunginto lobes?a. mediastinumb. fissurec. rootd. pleuraarrow_forwardIf Mr. Smith is suffering from pulmonary hypertension. Which of the following receptors would be stimulates in an attempt by his body to maintain a normal homeostasis state? A. J receptors B. Central Chemoreceptors C. Peripheral chemoreceptors D. Stretch receptorsarrow_forwardIf a thermoreceptor is sensitive to temperature sensations, what would a chemoreceptor be sensitive to?a. lightb. soundc. moleculesd. vibrationarrow_forward
- Where are the respiratory control centers located?a. medulla and ponsb. pons and midbrainc. spinal cord and medullad. mid brain and medullaarrow_forwardWhich of the following statements is incorrect? a. a sudden increase in CO2 levels in the arterial blood will lead to an increase H+b. H+ freely cross the blood brain barrier equilibrating with H+ in the CSF c. H+ within the CSF act directly on central chemoreceptors to increase ventilation d. increases in ventilation will reduce arterial blood H+ e. a reduction in arterial blood H+ represents a relative alkalosisarrow_forwardIn regards to the breathing process which of the following are true? A. Breathing is arrhythmic process that occurs without conscious thought. B. We can unconsciously controller breathing but our basic mechanisms for controlling your conscious. C.Breathing is a non-rhythmic process that occurs without conscious thought.  D. Breathing is neither rhythmic nor dysrhythmic in solely under neural control Choose the correct answerarrow_forward
- During speech the circumference of the chest wall increases and decreases as it moves air in and out of the lungs. Which statement best describes the air pressure and direction of air flow as the chest wall circumference increases? Group of answer choices A. Air pressure inside the lungs decreases, so atmospheric air is pushed into the lungs B. Air pressure inside the lungs increases, so atmospheric air is pushed into the lungs C. Air pressure inside the lungs decreases, so atmospheric air is pushed out of the lungs D. Air pressure inside the lungs increases, so atmospheric air is pushed inside the lungsarrow_forwardWhich of these is incorrect concerning inspiration?a. The rib cage moves up and out.b. The diaphragm contracts and moves down.c. As pressure in lungs decreases, air comes rushing in.d. The lungs expand because air comes rushing in.arrow_forward1. These receptors are responsible for decreasing the lumen of the trachea when stimulated. 2. This refers to the mechanism of clearing the airways where cilia in the respiratory tract moves the mucus and trapped particles towards the upper respiratory tract. 3. Air volume in the respiratory tract which does not participate in gas exchange.arrow_forward
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