A nurse is caring for a client who has hypernatremia and requires IV fluid therapy due to his NPO status. Which of the following solutions should the nurse prepare to infuse for this client?

A. Measuring the gastric residual is a common practice before administering enteral feedings. It helps to assess if the client's stomach is emptying properly and if there is any buildup of undigested formula. This is important in identifying delayed gastric emptying, which can lead to complications if not addressed.
B. To remove gastric acid that might cause dyspepsia is not the primary purpose of measuring gastric residual. The main concern is to assess the rate of stomach emptying.
C. To confirm the placement of the NG tube is typically done using other methods, such as pH testing or an X-ray. While aspirating stomach contents through the tube can help confirm placement, it is not the primary purpose of measuring gastric residual.
D. To determine the client's electrolyte balance is not related to the purpose of measuring gastric residual. Electrolyte balance is typically assessed through blood tests and clinical signs and symptoms.

A - Using a stiff toothbrush is not appropriate for oral care in immobile clients, as it can irritate or damage the gums and oral tissues. A soft-bristled toothbrush is recommended to ensure gentle cleaning.

B - Turning the client on his side is the correct action to prevent aspiration. This position allows fluids and saliva to drain from the mouth, reducing the risk of aspiration, which is critical for immobile clients.

C - Using the thumb and index finger to keep the client’s mouth open can lead to accidental injury. Instead, a padded tongue blade should be used to maintain the client’s mouth open safely during oral care.

D - Applying petroleum jelly to the lips should be avoided, as it is oil-based and can increase the risk of aspiration if inhaled. A water-based lubricant or lip balm should be used instead.