Correct Answer: A

Rationale: Thiamine deficiency, also known as Vitamin B1 deficiency, is the most common vitamin deficiency seen in individuals with alcohol use disorder. Chronic alcohol consumption can lead to decreased thiamine absorption and utilization, as well as poor dietary intake. Thiamine deficiency can result in serious neurological complications, such as Wernicke-Korsakoff syndrome, making it essential to address thiamine supplementation in individuals with alcohol use disorder.

Correct Answer: D

Rationale: Failure to wear gloves during a bed bath can potentially introduce pathogens, compromising the sterile technique necessary for respiratory isolation. Proper hand hygiene and personal protective equipment are crucial to prevent the transmission of infectious agents in such settings.

Correct Answer: A

Rationale: Depression is the most common psychogenic disorder among elderly individuals. It can manifest as persistent feelings of sadness, hopelessness, and loss of interest in activities that were once enjoyed. Elderly individuals may also experience changes in appetite, sleep disturbances, and difficulty concentrating. Detecting and addressing depression in the elderly is crucial for their overall well-being and quality of life.

Correct Answer: D

Rationale: Leukocytosis is defined as an increase in the total white blood cell count. A normal WBC count typically ranges from 4,500 to 10,000/mm³. A WBC count of 25,000/mm³, as indicated in choice D, is significantly higher than the normal range and clearly indicates leukocytosis.

Correct Answer: C

Rationale: In this scenario, the new head nurse should discuss the problem with her supervisor. This is the most appropriate action as the supervisor is in a position to address staffing concerns effectively and make necessary changes. Complaining to fellow nurses may not lead to a solution, waiting may exacerbate the issue, and demanding staff rotation without proper discussion is not a collaborative approach to resolving the problem.