Which of the following statements is true of the use of anticholinergic drugs as preanesthetic medications?
A. Anticholinergic drugs may be used to improve the transfer of oxygen and anesthetic across the lungs.
B. Anticholinergic drugs may be used to prevent the increase in salivary and bronchial secretions along the respiratory tracts.
C. Anticholinergic drugs may be used to prevent hypoxia.
D. All of these are correct.
Answer: D
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