Correct Answer: A

Rationale: Long-term protein deficiency significantly lowers serum albumin levels. Albumin, derived from protein breakdown, is produced by the liver when adequate amino acids are available. Due to its long half-life, acute protein loss minimally affects serum albumin levels. In contrast, serum transferrin, with a shorter half-life of 8 to 10 days, decreases with acute protein deficiency and is not a reliable indicator of chronic protein malnutrition. Elevated hemoglobin levels may occur in conditions like dehydration or chronic obstructive pulmonary disease, making it an unreliable indicator of chronic protein malnutrition. High cholesterol levels are not directly linked to protein malnutrition and do not serve as a reliable indicator. Therefore, the most reliable indicator of chronic protein malnutrition among the options provided is a low serum albumin level.

Correct Answer: C

Rationale: Water should be instilled into the feeding tube between administering the two medications to maintain the patency of the feeding tube and ensure that the total dose of medication enters the stomach and does not remain in the tube. These liquid medications do not need to be diluted when administered via a feeding tube. Mixing the medications in one syringe can lead to interactions or alterations in the medications' properties. Withdrawing any fluid from the tube before instilling each medication can cause inaccurate dosing and incomplete administration. Therefore, the correct action is to administer water between the doses of the two liquid medications to ensure proper delivery and avoid any complications.

Correct Answer: C

Rationale: The E in the acronym DELIRIUM stands for Electrolytes. Electrolyte imbalances can lead to delirium. The other letters in the acronym represent: D = Dementia; L = Lung, liver, heart, kidney, brain; I = Infection; R = Rx Drugs; I = Injury, Pain, Stress; U = Unfamiliar environment; M = Metabolic. It is crucial to differentiate delirium from dementia, as delirium is often reversible with treatment of underlying causes. Dementia should only be considered after ruling out delirium, as addressing the contributing factors may alleviate the delirium state.

Correct Answer: A

Rationale: The most crucial action for the nurse to implement when obtaining a lie-sit-stand blood pressure reading is to stay with the client while the client is standing. This is essential to monitor the client's immediate response to position changes and ensure their safety. Recording the findings on the graphic sheet is important for documentation but is not as critical as staying with the client. Keeping the blood pressure cuff on the same arm helps maintain consistency in readings but is not as vital as ensuring client safety. Recording changes in the client's pulse rate is important for a comprehensive assessment but does not take precedence over monitoring the client during position changes.

Correct Answer: A

Rationale: When the nurse rolls contaminated gloves inside-out, they are manipulating the mode of transmission in the chain of infection. The gloves, which are contaminated, act as a vehicle for transferring pathogens from the reservoir's portal of exit to a potential portal of entry. Choices B, C, and D are incorrect because the action of rolling contaminated gloves does not directly relate to the portal of entry, reservoir, or portal of exit in the chain of infection.