The ______ is the outer layer of the skin which is composed of dead cells.

Correct Answer: B

Rationale: The correct answer is B: Epidermis. The epidermis is the outer layer of the skin and is primarily composed of dead cells. It acts as a protective barrier for the body. The other choices are incorrect because: A) Integument is a broader term referring to the entire skin and its appendages. C) Dermis is the layer beneath the epidermis, containing living cells and providing structural support. D) Melanocyte is a cell responsible for producing melanin in the skin, not the outer layer itself.

Correct Answer: B

Rationale: The correct answer is B. Phantom sensation is the sensation perceived in the location of the amputated limb. This occurs due to the brain still receiving signals from the nerves that originally served the amputated limb. Choices A, C, and D are incorrect. Choice A is incorrect because phantom sensation is a real phenomenon experienced by many amputees. Choice C is incorrect because it does not involve the inability to use a new body part but rather the sensation in the amputated limb's previous location. Choice D is incorrect because the desire to get rid of a new body part is not related to phantom sensation but may be a separate psychological issue.

Correct Answer: A

Rationale: The correct answer is A because skills used over a lifetime are typically retained longer in individuals with Alzheimer's disease due to the concept of cognitive reserve. This means that engaging in mentally stimulating activities throughout life can help delay cognitive decline. Choice B is incorrect as symptoms of AD can vary greatly among individuals. Choice C is incorrect as NAs should promote independence and provide assistance based on individual needs. Choice D is incorrect as Alzheimer's is not a normal part of aging but a neurodegenerative disease.

Correct Answer: A

Rationale: The correct answer is A because inspecting and cleaning the resident's feet daily helps in early detection of any cuts, sores, or signs of infection, which is crucial for diabetics to prevent complications. Clipping toenails frequently can lead to cuts and infections. Using lotion between the toes can create a moist environment that promotes fungal growth. Using hot water for bathing can cause burns and dry out the skin, increasing the risk of cracks and infections.

Correct Answer: C

Rationale: The correct answer is C: Blood oxygen level. A pulse oximeter measures the oxygen saturation level in the blood, indicating how well oxygen is being carried to the body's tissues. It does this by shining light through the skin to detect the amount of oxygen-bound hemoglobin in the blood. Choice A, blood pressure, is measured using a sphygmomanometer. Choice B, body temperature, is typically measured using a thermometer. Choice D, blood glucose level, is measured using a glucometer. Thus, the correct answer is C as it directly aligns with the function and purpose of a pulse oximeter.