A nurse is reinforcing teaching with a client about self-administration of ophthalmic drops. Which of the following instructions should the nurse include?

The correct answer is Choice A - Measure the client's gastric residual before each feeding.

Choice A rationale:

The nurse's first action in caring for a client receiving intermittent enteral feedings should be to measure the client's gastric residual before each feeding. Gastric residual volume helps assess the client's tolerance to enteral feedings and can indicate delayed gastric emptying or potential complications like aspiration. If the residual volume is high, the nurse can collaborate with the healthcare team to determine whether to hold the feeding, adjust the feeding rate, or take other appropriate actions to ensure the client's safety and optimal nutritional status.

Choice B rationale:

Changing the enteral feeding bag and tubing every 24 hours is important to maintain the sterility and integrity of the feeding system. However, it is not the first action the nurse should take. The priority is to assess the client's tolerance to the feeding by measuring gastric residuals, which helps prevent complications.

Choice C rationale:

Documenting intake and output is a crucial aspect of nursing care for all clients, including those receiving enteral feedings. However, in the context of intermittent enteral feedings, measuring gastric residuals before each feeding is a more immediate and specific action to ensure the client's safety and well-being.

Choice D rationale:

Flushing the tubing with 30 mL of water after each feeding is important to prevent clogging and maintain the patency of the enteral feeding tube. However, this action is secondary to measuring gastric residuals, which directly assesses the client's tolerance to the feedings and helps prevent complications.

The correct answer is choice B: A thready pulse.

Choice A rationale:

BUN (blood urea nitrogen) level of 18 mg/dL falls within the normal range, which is typically around 7-20 mg/dL. An elevated BUN might indicate dehydration or kidney dysfunction, but a value of 18 mg/dL does not necessarily suggest fluid volume deficit.

Choice B rationale:

A thready pulse is a weak and easily compressible pulse that indicates poor circulation and reduced fluid volume in the circulatory system. Vomiting and diarrhea lead to fluid loss, which can result in fluid volume deficit. Thus, a thready pulse is a significant finding in this context.

Choice C rationale:

Hemoglobin level of 15 g/dL is within the normal range for hemoglobin (usually around 12-16 g/dL for women and 14-18 g/dL for men). While vomiting and diarrhea can lead to mild dehydration, a hemoglobin level of 15 g/dL alone does not strongly suggest fluid volume deficit.

Choice D rationale:

Prominent neck veins are typically associated with increased central venous pressure, which can indicate fluid volume overload rather than fluid volume deficit. In the context of vomiting and diarrhea, neck veins are unlikely to become prominent due to volume depletion.