A nurse in an urgent care clinic is caring for a client who reports recently using methylenedioxyphenol-methamphetamine. Which of the following findings should the nurse expect?

During an external chemical disaster, it is crucial to minimize the exposure of clients to the hazardous substance. Moving clients to a room above ground level with few windows can help reduce the risk of exposure to the chemical and its fumes. This is because many hazardous chemicals tend to be denser than air and may settle closer to the ground. Choosing a room above ground level and with fewer windows can provide a safer environment.

Turning on fans in the facility to circulate air can actually worsen the situation by spreading the chemical and its fumes throughout the facility, potentially exposing more individuals.

Covering the electrical outlets with wet towels is not directly related to preparing for an external chemical disaster. It may be more relevant during a fire emergency to prevent the spread of flames, but not for chemical exposure.

Opening the fireplace dampers in the day room can allow the entry of outside air and potentially introduce more of the hazardous substance into the facility.

This step is part of the process when mixing NPH and regular insulin in a single syringe. After injecting air into the NPH insulin vial, you should inject an equal amount of air (in this case, 15 units) into the regular insulin vial to maintain pressure balance. This allows for easy withdrawal of the prescribed doses of each insulin type in the same syringe without causing a vacuum in the vials.

After injecting air into the NPH insulin vial (step 1), the nurse should proceed to inject air into the regular insulin vial (step 2) before withdrawing the insulin doses in the subsequent steps.

Verifying the dosage with another nurse is not necessary in this step, as it is done prior to drawing up the insulin. However, it is good practice to have another nurse double-check the dosage before administration.

Injecting air into the regular insulin vial is not required at this stage. It is only necessary when withdrawing the regular insulin dose.

Placing the cap over the needle should be done after withdrawing the desired dose of insulin and before administering it to the client for safety and to prevent needlestick injuries.

The correct sequence when mixing NPH and regular insulin in a single syringe is as follows:

1. Inject air into the NPH insulin vial (in this case, 10 units of air).
2. Inject air into the regular insulin vial (in this case, 15 units of air).
3. Withdraw the prescribed dose of NPH insulin (10 units) from the NPH vial.
4. Withdraw the prescribed dose of regular insulin (15 units) from the regular insulin vial.

So, after injecting air into the NPH insulin vial (step 1), the nurse should proceed to inject air into the regular insulin vial (step 2) before withdrawing the insulin doses in the subsequent steps.