Mdc2 Exam 1 Complete With Answers

MDC2 EXAM 1 COMPLETE WITH
ANSWERS


What is the normal range/notes for sodium - ANSWER -135-
145 mEq/L


Controls fluid balance, nerve impulse transmission, muscle
function


What is the normal range/notes for potassium - ANSWER -3.5-
5.0 mEq/L


Affects cardiac rhythm - always check before giving K+
nerve conduction, muscle contraction


What is the normal range/notes for calcium? - ANSWER -8.5-
10.5 mg/dL


Bone/teeth structure, blood clotting, nerve/muscle function

,What is the normal range/notes for magnesium? - ANSWER -
1.8-2.6 mEq/L


Watch for reflex changes; toxicity if high
Enzyme activation, neuromuscular function, cardiac rhythm
stability


What is the normal range/notes for phosphorus - ANSWER -
2.5-4.5 mg/dL


bone/teeth formation, energy storage/transfer (ATP), acid-base
balance


What is the normal range/notes for chloride? - ANSWER -98-
106 mEq/L


maintain osmotic pressure and acid-base balance


What is the normal range/notes for BUN? - ANSWER -10-20
mg/dL

, (greater than) >20 = dehydration, kidney failure


What is the normal range/notes for creatinine? - ANSWER -0.7-
1.4 mg/dL


Best indicator for kidney function


High BUN and normal creatinine indicates - ANSWER -
dehydration


High BUN and high creatinine indicates - ANSWER -renal
dysfunction


Hypovolemia (FVD) causes - ANSWER --abnormal fluid loss
(diarrhea, sweating, GI suction)
-decreased intake (nausea, lack of access to fluid)
-diabetes insipidus, adrenal insufficiency, hemorrhage
-burns, ascites