26. Fluid and Electrolyte Balance, Acid Base Balance

Electrolyte Balance

Open Question
Which of the following statements correctly describe(s) the role of aldosterone?

a. Aldosterone triggers sodium ion and so water reabsorption.
b. Aldosterone triggers potassium ion secretion.
c. Aldosterone triggers hydrogen ion secretion.
d. Both a and b are correct.
e. All of the above are correct.
Multiple Choice
Which of the following is NOT an electrolyte?
Multiple Choice
The most abundant cation in extracellular fluid is potassium.
Multiple Choice
Which of the following would increase sodium excretion?
Multiple Choice
Antidiuretic hormone (ADH) acts on the __________ to __________ water excretion.
Multiple Choice
A major stimulus for the release of antidiuretic hormone is __________.
Multiple Choice
The condition in which sodium levels are too low is referred to as __________.
Multiple Choice
The most prevalent electrolyte in the extracellular fluid is __________.
Multiple Choice
When the concentration of Na⁺ in the ECF decreases, __________.
Multiple Choice
The only cation exerting significant osmotic pressure in the ECF is __________.
Multiple Choice
Electrolyte balance in the body usually refers to the balance of __________.
Multiple Choice
When atrial natriuretic peptide is released by the heart because of increased blood pressure, it causes __________.
Open Question
Potassium, magnesium, and phosphate ions are the predominant electrolytes ina. plasma,b. interstitial fluid,c. intracellular fluid.
Open Question
Sodium balance is regulated primarily by control of amount(s)a. ingested,b. excreted in urine,c. lost in perspiration,d. lost in feces.
Open Question
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.