A client reports that she ingested 1/2 of a liter of a prep solution for a colonoscopy. How many mL of fluid intake should the practical nurse (PN) document?
(Enter numeric value only. If rounding is required, round to the nearest whole number.)

This is the correct answer because it is the most important and relevant action that the PN should do for a postoperative patient with a PCA machine. A PCA machine is a computerized device that allows the patient to self-administer a preset dose of pain medication, usually an opioid, by pressing a buton. The PCA machine is attached to an intravenous (IV) line that delivers the medication directly into the bloodstream. The PCA machine can provide effective and individualized pain relief for postoperative patients, as well as increase their sense of control and satisfaction¹².

The PN should assess the pain management response of the postoperative patient with a PCA machine by monitoring their pain level, vital signs, oxygen saturation, sedation level, and side effects. The PN should use a valid and reliable pain scale, such as the numeric rating scale (NRS) or the visual analog scale (VAS), to measure the patient's pain intensity and relief. The PN should also check the settings and functioning of the PCA machine, such as the dose, lockout interval, and limit. The PN should document and report the patient's pain management response and any problems or complications with the PCA machine to the health care provider.

Edema, particularly if it is new or worsening, can be an indicator of preeclampsia, a potentially serious condition characterized by high blood pressure and organ dysfunction. Monitoring the client's blood pressure is crucial in assessing for signs of preeclampsia and determining the appropriate course of action.

B. Due date: The due date is an important piece of information for monitoring the progress of the pregnancy, but it is not directly relevant to the client's presenting symptom of edema. The focus should be on assessing for potential complications associated with edema, such as preeclampsia.
C. Fundal height: Fundal height is a measurement used to estimate fetal growth and position. While it is an important parameter to monitor during prenatal visits, it is not directly related to the client's edema. The priority in this situation is to assess for signs of preeclampsia or other complications, which may require assessing the blood pressure.
D. Gravida and parity: Gravida refers to the total number of pregnancies a woman has had, while parity refers to the number of pregnancies that have reached viability (20 weeks or more). While these pieces of information provide a background understanding of the client's obstetric history, they do not provide immediate insight into the current issue of edema. Assessing the blood pressure would be more relevant in this situation to identify any potential complications.