A client is admitted with severe diarrhea and vomiting. The client is very fatigued and weak and hasn’t urinated since early in the morning. The bladder scan reads 134 ml. Which of the following should the nurse consider regarding this client’s condition?

• The client may have mycoplasma pneumonia
• The client may be dehydrated
• The client may need to urinate
• The client needs a urinary catheter