A patient diagnosed with Alzheimer's disease looks confused when the phone rings and cannot recall many common household objects by name, such as a pencil or glass. The nurse can document this loss of function as which of the following?

Choice A reason: Aphasia refers to the loss of the ability to understand or express speech caused by brain damage. While the patient is struggling with names, the primary issue described is the failure to recognize the identity or function of objects, which is distinct from the motor or conceptual production of language. Choice B reason: Anhedonia is a clinical term used to describe the inability to feel pleasure or a decreased interest in activities that were previously found enjoyable. It is a hallmark symptom of depression and some phases of schizophrenia, but it is unrelated to cognitive recognition of household objects. Choice C reason: Agnosia is the inability to interpret sensory information and recognize objects, people, or sounds despite intact sensory organs. In Alzheimer's disease, this manifests as a patient looking at a common item like a telephone or pencil and being unable to identify what it is or its purpose. Choice D reason: Apraxia is the loss of the ability to perform purposeful, learned movements or gestures, such as tying shoelaces or using a spoon, even though the patient has the physical desire and capacity to move. It is a motor planning deficit rather than a sensory recognition deficit.