Intrapulmonary shunting occurs when:
A. blood returning to the left side of the heart is low in carbon dioxide.
B. nonfunctional alveoli inhibit the diffusion of oxygen and carbon dioxide.
C. a blockage in the pulmonary artery prevents blood from reaching the lungs.
D. blood entering the lungs from the right side of the heart is hyperoxygenated.
Answer: B. nonfunctional alveoli inhibit the diffusion of oxygen and carbon dioxide.
You might also like to view...
The appointment book is a(n) ________ document that can be subpoenaed by the court
a. legal b. written c. computerized d. unofficial
Which one of the following statements about removing a helmet in the prehospital setting is true?
A) "Helmets should only be removed if they are too tight or spinal immobilization will be required." B) "It is acceptable to leave the helmet on a patient if the patient has no airway or breathing problems." C) "Any patient wearing a helmet should have it removed so the airway and breathing can be properly assessed." D) "Since helmets should never be removed, the EMT must be creative in providing care around the obstacle of a helmet."