Anatomy & Physiology (6th Edition)
6th Edition
ISBN: 9780134156415
Author: Elaine N. Marieb, Katja N. Hoehn
Publisher: PEARSON
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Textbook Question
Chapter 21, Problem 2MC
Which of the following laryngeal cartilages is/are not paired? (a) epiglottis, (b) arytenoids, (c) cricoid, (d) cuneiform, (e) corniculate.
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(a) If the chest wall (including parietal pleura) is punctured, would the pressure in the pleural cavity increase or decrease?
(b) Would lung size increase or decrease?
(c) What is this condition called?
Select the best answer or answers from the choices given: Which of the following laryngeal cartilages is/are not paired? (a) epiglottis, (b) arytenoid, (c) cricoid, (d) cuneiform, (e) corniculate.
In both lungs, the surface that is the largest is the (a) costal, (b) mediastinal, (c) inferior (base), (d) superior (apex).
Chapter 21 Solutions
Anatomy & Physiology (6th Edition)
Ch. 21.1 - Prob. 1CYUCh. 21.1 - Which part of the pharynx houses the pharyngeal...Ch. 21.2 - Which structure seals the larynx when we swallow?Ch. 21.2 - Which structural features of the trachea allow it...Ch. 21.2 - What features of the alveoli and their respiratory...Ch. 21.2 - A 3-year-old boy is brought to the emergency...Ch. 21.3 - The lungs are perfused by two different...Ch. 21.3 - Prob. 8CYUCh. 21.4 - What is the driving force for pulmonary...Ch. 21.4 - What causes the intrapulmonary pressure to...
Ch. 21.4 - What causes the partial vacuum (negative pressure)...Ch. 21.4 - Premature infants often lack adequate surfactant....Ch. 21.5 - Explain why slow, deep breaths ventilate the...Ch. 21.5 - Prob. 14CYUCh. 21.6 - You are given a sealed container of water and air....Ch. 21.6 - PO2 in the alveoli is about 56 mm Hg lower than in...Ch. 21.6 - Suppose a patient is receiving oxygen by mask. Are...Ch. 21.7 - Prob. 18CYUCh. 21.7 - What is the relationship between CO2 and pH in the...Ch. 21.7 - The dotted lines in the two graphs below represent...Ch. 21.8 - Which brain stem respiratory area is thought to...Ch. 21.8 - Prob. 22CYUCh. 21.9 - An injured soccer player arrives by ambulance in...Ch. 21.9 - Prob. 24CYUCh. 21.10 - What distinguishes the obstruction in asthma from...Ch. 21 - Cutting the phrenic nerves will result in (a) air...Ch. 21 - Which of the following laryngeal cartilages is/are...Ch. 21 - Prob. 3MCCh. 21 - The detergent-like substance that keeps the...Ch. 21 - Which of the following determines the direction of...Ch. 21 - When the inspiratory muscles contract, (a) the...Ch. 21 - The nutrient blood supply of the lungs is provided...Ch. 21 - Oxygen and carbon dioxide are exchanged in the...Ch. 21 - Which of the following would not normally be...Ch. 21 - Most oxygen carried in the blood is (a) in...Ch. 21 - Which of the following has the greatest...Ch. 21 - In mouth-to-mouth artificial respiration, the...Ch. 21 - Prob. 13MCCh. 21 - Prob. 14MCCh. 21 - Damage to which of the following would most likely...Ch. 21 - Prob. 16MCCh. 21 - Trace the route of air from the nares to an...Ch. 21 - (a) Why is it important that the trachea is...Ch. 21 - Briefly explain the anatomical reason why most men...Ch. 21 - The lungs are mostly passageways and elastic...Ch. 21 - Describe the functional relationships between...Ch. 21 - Discuss how airway resistance, lung compliance,...Ch. 21 - (a) Differentiate clearly between minute...Ch. 21 - Prob. 24SAQCh. 21 - (a) Define hyperventilation. (b) If you...Ch. 21 - Prob. 1CCSCh. 21 - Prob. 2CCSCh. 21 - Barbara Joley was in the bus that was hit...Ch. 21 - Barbara Joley was in the bus that was hit...Ch. 21 - Prob. 5CCSCh. 21 - Prob. 6CCSCh. 21 - Prob. 7CCS
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- Under ordinary circumstances, the inflation reflex is initiated by (a) noxious chemicals, (b) the ventral respiratory group, (c) overinflation of the alveoli and bronchioles, (d) the pontine respiratory centers.arrow_forwardSelect the correct statement regarding the Intrapulmonary pressure A) difference of atmospheric and respiratory pressures B) it is always negative C) pressure within the alveoli of the lungs D) pressure in the space between the visceral and parietal pleuraearrow_forwardThe opening marked by the black arrow connects which of the following: Choose from the following: (A) vestibule to nasal cavity (B) nasopharynx / oropharynx (C) nasal cavity / nasopharynx (D) oropharynx / laryngopharynx (E) nasal cavity / oral cavityarrow_forward
- The best location for an emergency airway opening to place a 'hole' is Choose the following: (A) between the hyoid bone and the thyroid cartilage (B) between the thyroid and cricoid cartilages (C) between the 3rd and 4th tracheal cartilage ringsarrow_forwardGas exchange in the lungs takes place in the (a) alveoli, (b) bronchioles, (c) segmental bronchi, (d) lobar bronchi.arrow_forward1.) What are the forces that tend to make the lungs collapse? 2.) Enumerate the structures where gas exchange takes place. 3.) What is/are the significance of incomplete rings of tracheal cartilages?arrow_forward
- What effect would pulmonary edema have on the alveolar walls being so thin?arrow_forward33 A 78-year-old man is brought to the emergency department because of a 2-day history of shortness of breath. His respirations are 30/min. Crackles are heard over the right midclavicular line at the level of the fifth intercostal space. This location most likely corresponds to which of the following? A) Costal pleura B) Lingula C) Main bronchus D) Middle lobe E) Upper lobearrow_forwardPalpate two of your laryngeal cartilages and name them. Name the ones that are impossible to palpate on a living person?arrow_forward
- A newborn infant has diffi culty breathing and swallowing. Radiographic examination reveals constrictions of both the trachea and esophagus in the same plane. Which of the fol lowing congenital malformations is the most likely cause of this condition? (A) Double aortic arch (B) Persistent right 2nd aortic arch (C) Persistent left 4th aortic archarrow_forward1)What is the anatomical reason that you are unable to breathe for a limited period of time once you swallow? How does this help to protect the lungs? 2)Polio causes a patient's intercostal muscles to be completely paralysed. What impact would this have on the patient's breathing?arrow_forwardWhich of the following functions of the laryngeal muscles is innervated by the external laryngeal nerve? 1. abduction of the vocal cords 2. adduction of the vocal cords 3. decreasing the pitch of the voice 4. increasing the pitch of the voice Choose the following: (A) 1 and 2 (B) 3 and 4 (C) 4 only (D) 2 and 3 (E) 2, 3, and 4arrow_forward
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