One part of the central nervous system is the

Correct Answer: A

Rationale: The correct answer is A: Brain. The brain is a crucial component of the central nervous system, responsible for processing information, controlling bodily functions, and regulating emotions. It is the main organ that coordinates all activities in the body. Nerves (choice B) are part of the peripheral nervous system, not the central nervous system. Eyes and ears (choice C) are sensory organs that transmit information to the brain but are not part of the central nervous system. The autonomic nervous system (choice D) is a division of the peripheral nervous system that controls involuntary bodily functions, such as heart rate and digestion, and is not part of the central nervous system.

Correct Answer: B

Rationale: The correct answer is B: Assistive device. Assistive devices are designed to help disabled individuals perform daily activities. They can include wheelchairs, hearing aids, and adaptive tools. Orthotic devices (A) are used for support or alignment, not specifically for daily activities. Restorative devices (C) aim to improve function, not solely assist in daily living. Range of motion devices (D) focus on movement limitations, not daily tasks. Therefore, B is the best choice for devices aiding in daily living activities.

Correct Answer: C

Rationale: The correct answer is C: Bereavement. Bereavement refers to the period following a loss in which mourning occurs. It is a time of grieving and coming to terms with the loss. Breakthrough is unrelated, burnout refers to exhaustion, and blackout denotes a loss of consciousness. Bereavement specifically addresses the process of mourning and coping with loss.

Correct Answer: D

Rationale: Preoperative enemas clear the colon, reducing contamination risk since peristalsis is delayed post-surgery.

Correct Answer: D

Rationale: Partial care means assisting with tasks the patient can't fully perform, like hard-to-reach areas.