Before applying a prosthesis, the area must be

Correct Answer: A

Rationale: The correct answer is A: Dry. Keeping the area dry before applying a prosthesis is crucial to ensure proper adhesion. Moisture can interfere with the bonding process, leading to potential slippage or discomfort. Dampness can also promote bacterial growth and skin irritation. Choices B, C, and D are incorrect because dampness (B) can compromise adhesion, cold (C) can affect comfort and blood circulation, and warmth (D) can increase sweat production and hinder adhesion. Therefore, ensuring the area is thoroughly dry is essential for optimal prosthetic application.

Correct Answer: C

Rationale: The correct answer is C because the immune system's main function is to protect the body against foreign substances and pathogens. It does this by identifying and neutralizing harmful invaders to maintain the body's health. A, B, and D are incorrect because maintaining blood sugar levels is primarily regulated by the endocrine system, regulating hormone production is done by the endocrine system, and body temperature regulation is controlled by the nervous system and endocrine system, not the immune system.

Correct Answer: B

Rationale: The correct answer is B because the function of an artificial airway is to keep the airway open for the lungs to perform air exchange. This is crucial for maintaining oxygenation and ventilation in individuals who have difficulty breathing on their own. Choice A is incorrect because feeding tubes are used for feeding, not for maintaining airways. Choice C is incorrect as checking vital signs does not require an artificial airway. Choice D is incorrect as preparing for a medical test does not involve the use of an artificial airway.

Correct Answer: A

Rationale: The correct answer is A: 6 months. Nursing assistants typically must take the state test within 6 months after completing their training to become certified. This timeframe ensures that they have recently acquired the necessary knowledge and skills to pass the test. Choices B, C, and D are incorrect because waiting longer periods could result in the nursing assistant forgetting crucial information or skills, reducing their chances of passing the test. Additionally, delaying the test could hinder the assistant's ability to start working in the field promptly.

Correct Answer: C

Rationale: Step 1: A living will is a legal document that outlines a person's preferences for medical treatment in case they are unable to communicate their wishes. Step 2: Choice C states that a living will states the medical care a resident wants or does not want if they become unable to make decisions, which aligns with the definition. Step 3: Choice A is incorrect because a living will does not pertain to the distribution of a large estate upon death. Step 4: Choice B is incorrect as a living will is not related to a resident's inheritance wishes but rather their medical care preferences. Step 5: Choice D is incorrect as a living will does not address financial affairs but focuses solely on medical treatment preferences. Summary: The correct answer, Choice C, accurately describes the purpose of a living will in outlining medical care preferences, making it distinct from the other choices that are unrelated to its intended use.