A nurse is caring for a client who has been vomiting and has diarrhea. Which of the following findings should the nurse identify as an indication of fluid volume deficit?

The correct answer is **d. Attach a humidifier to the base of the flow meter**.

Choice A rationale:

Keeping the side holes of the mask closed would restrict airflow and prevent the client from receiving the prescribed oxygen concentration. This action would be unsafe and should not be taken.

Choice B rationale:

Ensuring the reservoir bag is inflated on expiration is not necessary for a simple face mask. The reservoir bag is typically used with other oxygen delivery devices, such as a non-rebreather mask, to provide a higher concentration of oxygen. This action is not appropriate for the given scenario.

Choice C rationale:

Applying petroleum jelly to the client's nostrils is not a recommended action. Petroleum jelly can potentially cause irritation and dryness, which could lead to discomfort for the client. This action is not necessary for the safe administration of oxygen.

Choice D rationale:

Attaching a humidifier to the base of the flow meter is the appropriate action to ensure client safety. Humidifying the oxygen can help prevent drying of the client's airway and make the oxygen more comfortable to breathe. This is a recommended step when administering high-flow oxygen via a simple face mask.

The correct answer is choice B: Ask the client what they already know about meal planning.

Choice A rationale:

Using pictures of different food groups can be helpful in teaching about carbohydrate counting, but it's important to assess the client's current knowledge and understanding before introducing new information. Starting with this approach might overwhelm the client or duplicate information they already possess.

Choice B rationale:

This is the correct choice. Before providing education, it's crucial to assess the client's baseline knowledge. By asking the client what they already know about meal planning, the nurse can tailor the teaching plan to fill in any gaps and avoid presenting redundant information. This approach respects the client's current understanding and focuses on addressing their specific needs.

Choice C rationale:

Giving the client a brochure with sample menus can be helpful once the nurse has assessed the client's knowledge and educational needs. However, providing the brochure as the first action might not be effective if the client already has some understanding of meal planning or if the brochure does not address the client's specific questions.

Choice D rationale:

Involving the family in the discussion of the client's meal plan is important for long-term support, but it shouldn't be the first action. First, the nurse should ensure that the client's own understanding and preferences are addressed before considering input from family members.