What are some important nursing considerations for this medication? *.

Choice A rationale:

The combination of trimethoprim and sulfamethoxazole has a synergistic effect, which means that the two drugs work together to inhibit bacterial growth more effectively than either drug alone. This combination is commonly used to treat urinary tract infections (UTIs) caused by susceptible bacteria.

Choice B rationale:

The combination of trimethoprim and sulfamethoxazole does not have an additive effect that reduces the dosage and frequency of administration of each drug. Instead, it is prescribed as a fixed combination with specific dosages of each drug.

Choice C rationale:

The combination of trimethoprim and sulfamethoxazole does not have an antagonistic effect that prevents the development of resistance to either drug. In fact, the combination is chosen because it covers a broader spectrum of bacteria and reduces the likelihood of resistance development.

Choice D rationale:

The combination of trimethoprim and sulfamethoxazole does not have a selective effect that targets only the bacteria causing the UTI and spares the normal flora. It affects a wide range of bacteria, including both pathogenic and normal flora.

Choice A rationale:

Instill 3 mL of normal saline before suctioning. This choice is not appropriate for suctioning excessive drooling in a client with ALS. Instilling normal saline would introduce additional fluid into the oral cavity, potentially worsening the problem by increasing the amount of secretions. The goal of suctioning is to remove excess saliva and maintain a clear airway.

Choice B rationale:

Instruct the client to cough as the suction tip is removed. Instructing the client to cough during suctioning is not a recommended practice. It may cause discomfort and can lead to an increased risk of aspiration as the client might inhale while coughing during the procedure.

Choice C rationale:

Apply a water-soluble lubricant to the catheter. Applying a water-soluble lubricant to the suction catheter is a common practice to facilitate the passage of the catheter and minimize irritation to the client's oral tissues. While it is a helpful step, it is not the primary action that should be taken to ensure the safety of the procedure.

Choice D rationale:

Wear protective goggles while performing the procedure. This is the correct choice. When suctioning a client's oral cavity, especially when dealing with excessive drooling or secretions, it is essential for the nurse to wear protective goggles. These goggles protect the nurse's eyes from potential exposure to the client's bodily fluids, reducing the risk of infection transmission.