MASTERING TEST - Chapter 26: Fluid, Electrolyte, and Acid-Base Balance
Most of the hydrogen ions in the body come from acidic substances in the foods we ingest.
False
Parathyroid hormone (PTH) increases Ca2+ deposition in the bones.
False
The most abundant cation in extracellular fluid is potassium
False
Most water is excreted via the __________.
kidneys
Antidiuretic hormone (ADH) acts on the __________ to __________ water excretion.
kidneys; decrease
Most fluid in the body is in the extracellular fluid (ECF) compartment.
False
One way the kidneys maintain HCO3- balance is by __________.
generating new HCO3-
Which of the following is NOT an electrolyte?
glucose
Which of the following is associated with a swelling of cells?
progesterone
Someone who is suffocating would develop __________.
respiratory acidosis
Hyperventilation can lead to __________.
respiratory alkalosis
The most important factor that influences K+ secretion is __________.
the concentration of K+ in the ECF
Which of the following has the LEAST influence over the pH of blood plasma?
the phosphate buffer system
Which of the following puts infants at increased risk for dehydration?
their inefficient kidneys
