Anatomy & Physiology, Books A La Carte Edition (5th Edition)
5th Edition
ISBN: 9780321887603
Author: Elaine N. Marieb, Katja N. Hoehn
Publisher: PEARSON
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Question
Chapter 21, Problem 2CCS
Summary Introduction
Case summary:
Barbara Joley met with a bus accident and is cyanotic. She was not respiring but her heart was beating at a fast pace.
Characters in the case:
Barbara Joley.
Adequate information:
The patient’s pulse was examined to be running fast and thready. The lady suffered from the injury in the C2 column of the vertebra.
To determine:
The assistance that must be given to her by the emergency medical team on an immediate basis.
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Callisto has managed to escape Xena, and therefore Xena decides to rest for the night in a small but deep cave at a high altitude in the mountains.
Explain how the rate of gas exchange between Xena’s alveolar air and blood changes when she moves to high altitude and describe one possible compensatory change that occurs in her body as the consequence.
Callisto is hiding from Xena under a pile of leaves. She is worried that if she takes slow, deep breaths (tidal volume = 650 mL, breathing rate = 11/min), the pile of leaves will move up and down, and Xena will notice her. Therefore, she takes rapid, shallow breaths (tidal volume = 210 mL, breathing rate = 25/min). Please note anatomical dead space = 150mL
Determine Xena’s alveolar ventilation in both cases and discuss which breathing pattern provides better oxygen supply to her body. Show your calculations.
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Chapter 21 Solutions
Anatomy & Physiology, Books A La Carte Edition (5th Edition)
Ch. 21 - Prob. 1CYUCh. 21 - Which structure seals the larynx when we swallow?Ch. 21 - Which structural features of the trachea allow it...Ch. 21 - What features of the alveoli and their respiratory...Ch. 21 - A 3-year-old boy is brought to the emergency...Ch. 21 - The lungs are perfused by two different...Ch. 21 - What is the driving force for pulmonary...Ch. 21 - What causes the intrapulmonary pressure to...Ch. 21 - What causes the partial vacuum (negative pressure)...Ch. 21 - Prob. 10CYU
Ch. 21 - Premature infants often lack adequate surfactant....Ch. 21 - Explain why slow, deep breaths ventilate the...Ch. 21 - You are given a sealed container of water and air....Ch. 21 - PO2 in the alveoli is about 56 mm Hg lower than in...Ch. 21 - Suppose a patient is receiving oxygen by mask. Are...Ch. 21 - Rapidly metabolizing tissues generate large...Ch. 21 - Prob. 17CYUCh. 21 - What is the relationship between CO2 and pH in the...Ch. 21 - Which brain stem respiratory area is thought to...Ch. 21 - Prob. 20CYUCh. 21 - An injured soccer player arrives by ambulance in...Ch. 21 - Prob. 22CYUCh. 21 - What distinguishes the obstruction in asthma from...Ch. 21 - Prob. 24CYUCh. 21 - Cutting the phrenic nerves will result in (a) air...Ch. 21 - Which of the following laryngeal cartilages is/are...Ch. 21 - Prob. 3RQCh. 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. 13RQCh. 21 - Prob. 14RQCh. 21 - Damage to which of the following would most likely...Ch. 21 - Prob. 16RQCh. 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. 24RQCh. 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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