Problem: The nurse triaged a number of clients in the emergency department. Which client(s) does the nurse identify as at risk for an infection? Select all that apply. the client whose electrocardiogram (EKG) and cardiac enzymes are normal the client who is taking antihypertensive medications and experienced orthostatic hypotension the older adult client who is cachectic in appearance the client who has breast cancer, is receiving chemotherapy, and has a low white blood cell (WBC) count the client who has AIDS and is taking antiretroviral medications the client who reports abdominal pain for 1 day and exhibits an elevated white blood cell count