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 O The lung wll have completed the pseudoglandular stage of development during which the conducting airways of the respiratory tree are formed O The lung will have completed the saccular stage of development during which the first septal walls of the respiratory acinus will have formed O The lung will have completed the alveolar stage of development during which a large surface area for gas exchange will have been formed. O The lung will have completed the canalicular phase of development, during which a primitive but functional blood-gas barrier is formed O The lung will have completed the embryonic stage of development during which the left and right lobules of the lung are formed 11
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 O The lung wll have completed the pseudoglandular stage of development during which the conducting airways of the respiratory tree are formed O The lung will have completed the saccular stage of development during which the first septal walls of the respiratory acinus will have formed O The lung will have completed the alveolar stage of development during which a large surface area for gas exchange will have been formed. O The lung will have completed the canalicular phase of development, during which a primitive but functional blood-gas barrier is formed O The lung will have completed the embryonic stage of development during which the left and right lobules of the lung are formed 11
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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