Pulmonary surfactant:
1.decreases alveolar surface tension.
2.promotes alveolar collapse.
3.increases elastic recoil properties of the lungs.
4.is found in excess levels in infants born prematurely.
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The digestion of carbohydrates and lipids begins in the
A) oral cavity. B) esophagus. C) stomach. D) small intestine. E) large intestine.
Bradycardia and hypotension following an overaggressive dialysis treatment are MOST indicative of:
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________ lacks the capacity to remember a pathogen or react differently to it in the future, whereas ________ utilizes memory cells to adapt to a given pathogen and ward it off more easily in the future
A) Adaptive immunity; specific immunity B) Nonspecific resistance; adaptive immunity C) Adaptive immunity; nonspecific resistance D) A natural killer cell; a cytoxic T cell E) Nonspecific resistance; cytotoxicity