Multiple Choice
What is the most abundant cation in intracellular fluid?
26. Fluid and Electrolyte Balance, Acid Base Balance
Electrolyte Balance
Back26. Fluid and Electrolyte Balance, Acid Base Balance
Electrolyte Balance
- Multiple ChoiceThe only cation exerting significant osmotic pressure in the ECF is __________.1views
- Multiple ChoiceA major stimulus for the release of antidiuretic hormone is __________.1views
- Multiple ChoiceParathyroid hormone (PTH) increases Ca2+ deposition in the bones.
- Textbook Question
Which of the following is false with respect to sodium ions in human physiology?
a. Sodium ions are the most abundant extracellular cation.
b. Sodium ions are an important osmotic particle in the ECF.
c. The entry of sodium ions into a cell causes depolarization.
d. Sodium ions are more concentrated in the cytosol than in the ECF.
- Textbook Question
List the effects of each of the following hormones on electrolyte balance. Note that some hormones affect more than one electrolyte.
a. Angiotensin-II
b. Aldosterone
c. Parathyroid hormone
d. Vitamin D
e. Atrial natriuretic peptide
2views - Multiple ChoiceWhen atrial natriuretic peptide is released by the heart because of increased blood pressure, it causes __________.2views
- Textbook Question
Two main substances regulated by the influence of aldosterone on the kidney tubules are:
a. Ammonium ions
b. Bicarbonate
c. Calcium
d. Chloride
e. Hydrogen ions
f. Magnesium
g. Phosphate
h. Potassium
i. Sodium
j. Water
1views - Multiple ChoiceWhen the concentration of Na+ in the ECF decreases, __________.
- Multiple ChoiceAntidiuretic hormone (ADH) acts on the __________ to __________ water excretion.
- Textbook Question
Calcium homeostasis primarily reflects:
(a) A balance between absorption in the gut and excretion by the kidneys
(b) Careful regulation of the blood calcium level by the kidneys
(c) An interplay between parathyroid hormone and aldosterone,
(d) An interplay among reserves in the bones, the rate of absorption, and the rate of excretion
(e) Hormonal control of calcium reserves in the bones
1views - Textbook Question
Mark the following statements as true or false. If a statement is false, correct it to make a true statement.
b. Insulin, aldosterone, and epinephrine stimulate the uptake of potassium ions into cells.
7views