Human Anatomy
9th Edition
ISBN: 9780135168059
Author: Marieb, Elaine Nicpon, Brady, Patricia, Mallatt, Jon
Publisher: Pearson Education, Inc.,
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Chapter 22, Problem 13CYU
What will happen to the lung in the stab wound injury described in Check Your Understanding question 11? ‘Why is this type of injury calling a� sucking chest wound"?
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Chapter 22 Solutions
Human Anatomy
Ch. 22 - Which respiratory structures are lined with...Ch. 22 - Prob. 2CYUCh. 22 - Prob. 3CYUCh. 22 - Prob. 4CYUCh. 22 - Prob. 5CYUCh. 22 - Prob. 6CYUCh. 22 - At what level of the bronchial tree are cartilage...Ch. 22 - Prob. 8CYUCh. 22 - Name the fissure that separates the superior and...Ch. 22 - In what order, from superior to inferior, do the...
Ch. 22 - Would a stab wound in the midclavicular line just...Ch. 22 - How does contraction of the diaphragm affect the...Ch. 22 - What will happen to the lung in the stab wound...Ch. 22 - Prob. 14CYUCh. 22 - Prob. 15CYUCh. 22 - Prob. 16CYUCh. 22 - Prob. 17CYUCh. 22 - Prob. 18CYUCh. 22 - Prob. 1RQCh. 22 - Prob. 2RQCh. 22 - Prob. 3RQCh. 22 - Prob. 4RQCh. 22 - Match the proper type of lining epithelium from...Ch. 22 - Match the air tube in column B with the lung...Ch. 22 - Prob. 7RQCh. 22 - Prob. 8RQCh. 22 - A serous cell of a gland secretes (a) the slippery...Ch. 22 - The function of type I alveolar cells is to (a)...Ch. 22 - Prob. 11RQCh. 22 - Prob. 12RQCh. 22 - Prob. 13RQCh. 22 - Prob. 14RQCh. 22 - Prob. 15RQCh. 22 - The three terms choanae, conchae, and carina are...Ch. 22 - Prob. 17RQCh. 22 - Sketch a picture of the right and left lungs in...Ch. 22 - Prob. 19RQCh. 22 - Prob. 20RQCh. 22 - Prob. 1CRCAQCh. 22 - Prob. 2CRCAQCh. 22 - Prob. 3CRCAQCh. 22 - Prob. 4CRCAQCh. 22 - Prob. 5CRCAQCh. 22 - Prob. 6CRCAQ
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- Please explain the difference between the oxygen dissociation curve created by myoglobin (asymptotic) versus the oxygen dissociation curve created by hemoglobin (sigmoidal). Why does this occur? Myoglobin O₂ saturation (%) 100 80 60 40 20 0 20 Hemoglobin 40 60 80 100 120 Po₂ (mmHg)arrow_forwardName 3 conditions (ex: pO2) in which the oxygen dissociation curve will shift to the left. Additionally, when there is such a shift to the left, does that mean that hemoglobin's affinity for O2 has increased or decreased?arrow_forward1 point The physiological dead space: * O Is measured by single breath nitrogen analysis Increases during exercise Is higher in elderly than young adults Is the same as in the physiological shunt Is exactly equal to the anatomic dead space in normal peoplearrow_forward
- QUESTION 26 Which statement regarding the figure is correct? Atmospheric pressure (Patm) 760 mmHg -F Thoracic wall D 756 В 760 Lung Diaphragm Alveolar pressure (Paly) The transmural pressure labeled A will always be a positive value The alveolar pressure causes the pressure labeled D to change O The pressure labeled B is equal in magnitude to the chest wall recoil The transmural pressure labeled C is opposing the lung recoilarrow_forwardQuestion 5 Explain the steps involved in lung inspiration.arrow_forward12. The drawing below shows the respiratory system of a human: tralia) E B i) State the name of structure B. C Accessibility: Investigate D from pulmonary anery ainway ii) State the name of structure K and explain its role in inhalation and exhalation. F6 to pulmonary vein iii) Indicate which letter represents the epiglottis and describe its importance. FB Foarrow_forward
- What best explains the role of surfactant in Respiratory Distress Syndrome? O Smooth muscle surrounding bronchi constrict and restrict air flow when surfactant is not present O Underdeveloped Type 1 cells prevent proper gas exchange across the respiratory membrane O Type 2 cells overproducing surfactant cause the alveoli to fill with fluid O A lack of surfactant from goblet cells allows dust particles to get into the alveoli O Insufficient surfactant makes it challenging to inflate the alveoli Question 4 Which of the following structures is NOT lined by a pseudostratified ciliated columnar epithelium? O Trachea O Laryngopharynx O Nasal cavity O Nasopharynx O Paranasal sinusesarrow_forwardAlveolar ventilation remains constant when ___________ . the respiratory rate is increased while the volume of air per breath is decreased the respiratory rate and the volume of air per breath are increased the respiratory rate is decreased while increasing the volume per breath both a and carrow_forwardThe partial pressure of carbon dioxide is 45 mm Hg in the blood and 40 mm Hg in the alveoli. What happens to the carbon dioxide? It diffuses into the blood. It diffuses into the alveoli. The gradient is too small for carbon dioxide to diffuse. It decomposes into carbon and oxygen.arrow_forward
- In the healthy lung, when the alveolus decreases in size during a normal exhalation, the 1. surface tension decreases. 2. surfactant to alveolar surface area increases. 3. surface tension increases. 4. surfactant to alveolar surface area decreases. A. 1 only B. 3 only C. 4 only D. 1 and 2 onlyarrow_forwardHow would paralysis of the diaphragm alter inspiration? It would prevent contraction of the intercostal muscles It would prevent inhalation because the intrapleural pressure would not change It would decrease the intrapleural pressure and allow more air to enter the lungs It would slow expiration because the lung would not relax.arrow_forwardA spontaneously breathing patient has a normal PaCO2 of 40 mm Hg, a minute ventilation (VE) of 6 L/min, and a VD/VT ratio of 35% (0.35). Then the patient develops a pulmonary embolus (PE), blocking blood flow to a significant number of ventilated avleoli. Consequently, the measured VD/VT increases to 65% (0.65). 1. Calculate the alveolar ventilation associated with teh original PaCO2 of 40 mm Hg. 2. To maintain the same PaCO2 of 40 after the embolus occurs, what change must occur in total minute ventilation (VE)?arrow_forward
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