NUR 148 Exam 5a with Questions and Answers

NUR 148 Exam 5a with Questions and Answers dehydration ANSWER - fluid intake or retention is less than what is needed to meet the body's fluid needs, resulting in a deficit of fluid volume, especially plasma volume. - dehydration causes decreased perfusion which can cause death - may be an actual decrease in total body water due to little intake or too great of fluid loss - may also be caused by no actual loss of body water such as water shifting from plasma into interstitial space s/s of dehydration ANSWER - increased HR - weak peripheral pulses - decreased BP - orthostatic hypotension (lightheadedness & dizziness) - flat neck veins - flat hand veins - increased RR - skin tenting - oral mucous membranes are dry and cracked - tongue may develop deep furrows - altered mental status (most common in older adults) - decreased urine output - reduced temp - hypovolemia