The parent of a 5-year-old child asks the nurse to recommend an over-the-counter pain medication for the child.
Which analgesic will the nurse recommend?

Choice A rationale

While tinnitus can occur with certain medications, it is not a common adverse effect of lidocaine.

Choice B rationale

Dizziness is a common adverse effect of lidocaine and can indicate an issue with its administration.

Choice C rationale

Dysphagia is not a typical adverse effect of lidocaine administration.

Choice D rationale

Excessive bruising is not associated with lidocaine but rather with anticoagulants or trauma.

Choice A rationale

Pharmacodynamics is the study of how drugs affect the body, including the mechanisms of action and the relationship between drug concentration and effect. It does not describe the actions of the nurses in this context.

Choice B rationale

Pharmacotherapeutics involves the use of drugs to diagnose, treat, and prevent disease. The actions of the nurses in administering iodine, chemotherapy, and vaccines are examples of pharmacotherapeutics, as they are using drugs for therapeutic purposes.

Choice C rationale

Pharmacoeconomics is the study of the cost and value of drugs and therapies. It does not describe the actions of the nurses in administering medications.

Choice D rationale

Pharmacokinetics is the study of how the body absorbs, distributes, metabolizes, and excretes drugs. It does not describe the actions of the nurses in this context.