31. A female newborn delivered at 30 weeks' gestation immediately has signs of respiratory distress including tachypnea, nasal faring, grunting, intercostal and subsphoid retractions, and cyanosis. On auscultation, breath sounds are decreased. A chest x-ray shows low lung volume and a diffuse reticulogranular appearance with air bronchograms suggesting aiveder collapse. Which of the following is the most likely cause of this patient's respiratory disorder? A) Decreased alveolar surface tension B) Decreased compliance of the chest wall OC) Increased alveolar surface tension D) Increased compliance of the chest wall Gross OE) Pneumothorax

31. A female newborn delivered at 30 weeks' gestation immediately has signs of respiratory distress including tachypnea, nasal faring, grunting, intercostal and subsphoid retractions, and cyanosis. On auscultation, breath sounds are decreased. A chest x-ray shows low lung volume and a diffuse reticulogranular appearance with air bronchograms suggesting aiveder collapse. Which of the following is the most likely cause of this patient's respiratory disorder? A) Decreased alveolar surface tension B) Decreased compliance of the chest wall OC) Increased alveolar surface tension D) Increased compliance of the chest wall Gross OE) Pneumothorax

Human Anatomy & Physiology (11th Edition)

11th Edition

ISBN:9780134580999

Author:Elaine N. Marieb, Katja N. Hoehn

Publisher:Elaine N. Marieb, Katja N. Hoehn

Chapter1: The Human Body: An Orientation

Section: Chapter Questions

Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...

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11 of 20 Which of the following statements best explains why it is possible for human infants born prematurely at 26-30 weeks of gestation to survive outside the womb (note that normal gestation is 40 weeks in The lung will have completed the pseudoglandular stage of development during which the conducting airways of the respiratory tree are formed The lung will have completed the saccular stage of development during which the first septal walls of the respiratory acinus will have formed The lung will have completed the alveolar stage of development during which a large surface area for gas exchange will have been formed. The lung will have completed the canalicular phase of development, during which a primitive but functional blood-gas barrier is formed The lung will have completed the embryonic stage of development during which the left and right lobules of the lung are formed 11 16 Assessment Navigator Submit Questionmark Ondemand licensed to University of Dundee DII DD F11 000 000…
A female newborn delivered at 30 weeks' gestation immediately has signs of respiratory distress including tachypnea, nasal flaring, grunting, intercostal and subxiphoid retractions, and cyanosis. On auscultation, breath sounds are decreased. A chest x-ray shows low lung volume and a diffuse reticulogranular appearance with air bronchograms suggesting alveolar collapse. Which of the following is the most likely cause of this patient's respiratory disorder?a) Decreased alveolar surface tension b) Decreased compliance of the chest wall c) Increased alveolar surface tension d) Increased compliance of the chest wall e) Pneumothorax