When a neuron is in the resting state, ________
A) Na+ leaks out of the cell and K+ leaks into the cell
B) both Na+ and K+ leak out of the cell
C) both Na+ and K+ leak into the cell
D) Na+ leaks into the cell and K+ leaks out of cell
Answer: D
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Answer the following statement true (T) or false (F)
The hypothalamic hormone that triggers the release of adrenocorticotropic hormone (ACTH) is
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Surfactant
A) is produced by pneumocytes type I. B) phagocytizes dust or debris. C) replaces mucus in the alveoli. D) plays a key role in keeping alveoli open. E) is not found in healthy lung tissue.