N 110 Electrolytes
- Define
Answer Urine Specific Gravity
measures the kidney's ability to excrete or con- serve water
- the larger the volume of urine the specific gravity
Answer lower
- the smaller the volume of urine the specific gravity
Answer higher
- What can cause a falsely elevated Specific Gravity?
Answer increased glucose or protein in the urine
- Define
Answer BUN (blood urea nitrogen)
the end product of the metabolism or protein by the liver
- A increased BUN can indicate?
Answer -dehydration 1 / 3
-decreased renal function -GI bleeding -increased protein intake -fever -sepsis
- A decreased BUN can indicate?
Answer -expanded fluid volume (pregnancy)
-end-stage liver disease -a low protein diet -starvation
- Define
Answer Creatinine
the end product of muscle metabolism
- Which lab test is a better indicator of renal function? Why?
Answer Creatinine, because it does not vary with protein intake and metabolic state
- Serum Creatinine levels increase when ?
Answer renal failure decreases
- Increased hematocrit could be due to ?
Answer -dehydration
-polychthemia 2 / 3
- Decreased hematocrit could be due to ?
Answer -overhydration
-anemia
- What is Hypovolemia ?
Answer loss of ECF volume exceeds the intake of fluid
- What are some signs/symptoms of hypovolemia ?
Answer -Decreased BP
-Increased HR -Loss of weight -GI suctioning -Blood loss -Dry skin -Thirsty -Oliguria
- What type of treatment would you administer if the patient if hypovolemic?-
Answer -Isotonic or hypotonic IV therapy
- What are the nursing care responsibilities for a patient with hypovolemia?-
Answer -monitor fluid balance (I & O)
- check vitals
- / 3