A nurse is caring for a client who is on bed rest. The nurse should recognize that which of the following findings is a complication of immobility?

A. Immobility more commonly leads to orthostatic hypotension rather than increased blood pressure. B. Immobility typically leads to increased calcium levels due to bone demineralization. C. A swollen area on the calf may indicate a deep vein thrombosis (DVT), a serious complication of immobility. D. Urinary stasis and retention, rather than frequency, are common complications of immobility.