26. Fluid and Electrolyte Balance, Acid Base Balance

Which of the following is NOT an electrolyte?

The most abundant cation in extracellular fluid is potassium.

Which of the following would increase sodium excretion?

Antidiuretic hormone (ADH) acts on the __________ to __________ water excretion.

Potassium, magnesium, and phosphate ions are the predominant electrolytes ina. plasma,b. interstitial fluid,c. intracellular fluid.

Sodium balance is regulated primarily by control of amount(s)a. ingested,b. excreted in urine,c. lost in perspiration,d. lost in feces.

Answer questions 5 through 10 by choosing responses from the following:a. ammonium ionsb. bicarbonatec. calciumd. chloridee. hydrogen ionsf. magnesiumg. phosphateh. potassiumi. sodiumj. waterTwo main substances regulated by the influence of aldosterone on the kidney tubules.

Explain why and how total body sodium content, ECF volume, and blood pressure are jointly regulated.

Parathyroid hormone (PTH) increases Ca²⁺ deposition in the bones.

The most important factor that influences K⁺ secretion is __________.

What is the most abundant cation in intracellular fluid?

Parathyroid hormone __________.