A nurse is caring for a client with cognitive impairment (CI) and an IQ score of 45. The nurse should plan client care based on which of the following expectations for an IQ score of 45.

A. An IQ of 45 is classified as profound intellectual disability. Clients with this score typically require complete care and support in activities of daily living, including personal care, communication, and supervision. B. While clients with cognitive impairments may perform some self-care activities with supervision, the IQ score of 45 generally indicates a need for significant assistance. C. Clients with profound intellectual disability are unlikely to function independently at all times. D. Complex tasks are beyond the capability of individuals with an IQ score of 45, and they would require significant assistance in daily tasks.