The major electrolyte in the extracellular fluid is:

A) sodium
B) calcium
C) magnesium
D) phosphorus


A) sodium
Sodium is the major electrolyte in the extracellular fluid. It helps body fluid balance and acid-base balance.

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The ________ is (are) large, conical-shaped, lobed organ(s) in the chest

a. lungs b. liver c. pancreas d. larynx

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A/an ________ is a pediatric subspecialty that diagnoses and treats complex conditions of newborns

Fill in the blank with correct word.

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Veins of the body pick up the oxygen-poor blood and empty it into the superior and inferior _______________ _______________ (letter K). 

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Which of the following are not symptoms that may occur due to blockage of the coronary arteries?

A. Dizziness, nausea, and arm pain B. Neck pain, cough, and back pain C. Shortness of breath, sweating, and chest pain D. Edema and decreased urinary output

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