Identify the electrolyte imbalance each client is most likely manifesting: Client A is nauseous and weak. The ECG shows a U wave. Client B has muscle twitching and tingling around the mouth. Client C...

Identify the electrolyte imbalance each client is most likely manifesting:

Client A is nauseous and weak. The ECG shows a U wave.

Client B has muscle twitching and tingling around the mouth. Client C is thirsty, lethargic, and excreting only scant urine.