West Coast EMT Block 2 Exam

In order for efficient pulmonary gas exchange to occur: Select one: • A. the percentage of inhaled carbon dioxide must exceed the percentage of inhaled oxygen. • B. the pulmonary capillaries must be completely constricted and the alveoli must be collapsed. • C. oxygen and carbon dioxide must be able to freely diffuse across the alveolar - capillary membrane. • D. there must be low quantities of pulmonary surfactant to allow for full alveolar expansion. • C. oxygen and carbon dioxide must be able to freely diffuse across the alveolar - capillary membrane. A patient who is suspected of being hypoxic and is breathing adequately should be given supplemental oxygen with a: Select one: A. bag-mask device. B. nonrebreathing mask. C. mouth-to-mask device. D. nasal cannula. B. nonrebreathing mask. A 5-year-old boy has fallen and has a severe deformity of the forearm near the wrist. He has possibly sustained a fracture of the _____ forearm. Select one: proximal dorsal superior distal distal A diabetic patient has polydipsia. This means that she: Select one: has low blood sugar. is unable to swallow. is excessively thirsty. urinates frequently. is exc