client with COPD has an acute bronchospasm. The nurse knows the best medication for this emergency situation that is fast-acting is:

Choice A reason: Reading diluent instructions ensures proper reconstitution; it’s required. Discarding multidose isn’t, per nursing pharmacology. This is universally distinct, a necessary step.

Choice B reason: Refrigeration maintains stability post-reconstitution; it’s standard practice. Throwing multidose vials isn’t, per nursing standards. This holds universally, distinctly for storage.

Choice C reason: Multidose vials are reusable if sterile; discarding after one dose is wrong. This is the exception, per nursing pharmacology. It’s universally distinct, errors in use.

Choice D reason: Wiping with alcohol ensures sterility before needle entry; it’s essential. Discarding multidose isn’t, per nursing standards. This is universally distinct, a safety step.

Choice A reason: Expectorants loosen mucus; antitussives suppress cough, not promote it. This reverses, per nursing pharmacology. It’s universally distinct, errors in cough management.

Choice B reason: Mast cell stabilizers prevent asthma; antitussives stop coughing directly. This misidentifies, per nursing standards. It’s universally distinct, unrelated to cough suppression.

Choice C reason: Mucolytics thin mucus; antitussives suppress cough, not thin secretions. This errors, per nursing pharmacology. It’s universally distinct, missing the suppression focus.

Choice D reason: Antitussives, like dextromethorphan, suppress coughing effectively in pulmonary care. This matches, per nursing standards. It’s universally applied, distinctly targeting cough relief.