Correct Answer: A

Rationale: To effectively wash hands, soap or detergent is essential as they help emulsify fats and oils, allowing them to be rinsed away. Hot water alone cannot effectively destroy bacteria, and a disinfectant is not typically required for routine hand washing.

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: B

Rationale: Surgical asepsis, which involves maintaining a sterile field and preventing contamination in a surgical setting, is required for urinary catheterization as it involves entering a sterile body cavity. Vaginal instillation of conjugated estrogen, nasogastric tube insertion, and colostomy irrigation do not always require surgical asepsis as they involve different levels of sterility and infection control measures.

Correct Answer: A

Rationale: The patient's symptoms of shortness of breath, orthopnea, thick, tenacious secretions, and a dry hacking cough all point towards a potential airway clearance issue. This makes option A, 'Ineffective airway clearance related to thick, tenacious secretions,' the most appropriate nursing diagnosis. It directly addresses the thick secretions and suggests a potential cause of the breathing difficulty the patient is experiencing.

Correct Answer: B

Rationale: During a Romberg test, the patient is asked to stand with feet together and arms at the sides. The test evaluates proprioception and vestibular function by assessing the patient's ability to maintain balance with eyes closed. Asking the patient to stand helps to detect any balance issues or disturbances in the absence of visual input.