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 arch

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Q: What are the differences between the pulmonary and systemiccirculations?

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Q: 12. The drawing below shows the respiratory system of a human: 111 E B K i) State the name of…

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Q: What is the name of the tiny sacs in the lungs where the lungs where the gas exchange occurs?

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Q: What happens to the heart sounds when the subject undergoes deep inspiration?

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A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: Define alveolar sac

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Q: The pulmonary trunk carries: low-oxygen blood from the lungs to the heart oxygenated blood from the…

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Q: What is the functional advantage of C-shaped cartilages in the tracheal wall over completely…

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Q: Which of the following lamellar body counts indicates mature fetal lungs? 1) 15,000/uL 2)…

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Q: Which lung has a cardiac notch?

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Q: Which of the following forms the 'respiratory membrane' for the fetus (mark all that apply) 1.…

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Q: The pulmonary trunk is divided into two parts?

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Q: Which vessels is where gas exchange occprs?

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Q: B04

A: We know that The trachea can be defined as the membranous tube that is attached to the larynx. It is…