• Shuffle
    Toggle On
    Toggle Off
  • Alphabetize
    Toggle On
    Toggle Off
  • Front First
    Toggle On
    Toggle Off
  • Both Sides
    Toggle On
    Toggle Off
  • Read
    Toggle On
    Toggle Off

Card Range To Study



Play button


Play button




Click to flip

Use LEFT and RIGHT arrow keys to navigate between flashcards;

Use UP and DOWN arrow keys to flip the card;

H to show hint;

A reads text to speech;

50 Cards in this Set

  • Front
  • Back
Substances that break up or dissociate into electrically charged components when they dissolve in water are called
A base is a chemical compound that takes up hydrogen ions from a solution and leaves the solution with an excess of
hydroxyl ions
A common base in the body is
In a solution, an acid liberates
hydrogen ions
Water encompasses about 50% of the body weight of a normal adult
The water found inside all cells of the body occupies a compartment known as the
intracellular fluid compartment
The portion of body water that exists in the extracellular fluid compartment is approximately
About 75% of the extracellular fluid of the body exists in interstitial fluid and
Sinovial fluid, sweat, and cerebrospinal fluid are different types of
transcellular fluids
The concentration of protein in the interstitial fluid is usually low, but the concentration of protein is high in the
Water leaves the body by means of activities occurring in the lungs, skin, intestines, and
The principal mechanism by which water moves into and out of cells is
Much of the water movement between the plasma and interstitial fluid is due to the presence of
The body's thirst mechanism is controlled by a nerve center in the
Tubular reabsorption of water taking place in the kidneys is controlled by the hormone known as
antidiuretic hormone
The hormone aldosterone regulates water reabsorption in the kidneys through its activity on the reabsorption of
sodium ions
Such things as blood viscosity and the length of the blood vessel influence the fluid movement factor called
The mechanism for controlling the flow of water between the plasma and interstitial fluid is known as
Starling's law of the capillaries
The pressure of water in the blood is referred to as the
hydrostatic pressure
The colloid osmotic pressure present in the capillaries depends upon the presence of plasma
According to Starling's law, at the arteriole end of the capillary water leaves the capillary and enters the interstitial fluid because the hydrostatic pressure exceeds the
colloid osmotic pressure
The loss of water at the arteriole end of the capillary is similar to that taking place in the glomerulus of the kidney, and the process is called
At the venule end of the capillary, water leaves the interstitial space and enters the capillary because the colloid osmotic pressure exceeds the
hydrostatic pressure
The movement of water into the capillary at the venule end is known as
The movement of fluids between the interstitial space and the intracellular environment is controlled by pressure known as
osmotic pressure
The presence of abnormally large amounts of water in the interstitial tissue causes the condition
Negatively charged ions are known as
Electrolytes are obtained for the body from drinking water, metabolic reaction, and
Approximately 90% of the cations in the extracellular fluids consist of
sodium ions
The juxtaglomerular apparatus of the nephron secretes a sodium regulating substance called
The release of aldosterone to regulate sodium reabsorption in the tubules is stimulated by the substance
angiotensin II
In addition to regulating the sodium ion concentration, aldosterone also regulates the body's level of
potassium ions
Excessive amounts of potassium ions in the body can lead to fibrillations of the
The ion that plays roles in blood clot formation, muscle contraction, nerve conduction, and as the structural component of teeth and bones is
The regulation of calcium ions in the body is governed by hormones produced by the parathyroid gland and the
thyroid gland
The maximum number of hydrogen ions possible in a solution is provided by a(n)
strong acid
An example of a weak acid is
carbonic acid
The concentration of hydrogen ions in the body fluid is expressed as
A buffer system is used to prevent substantial changes in a solution's
A buffer solution generally contains a weak acid and a(n)
Proteins act as powerful buffers in the body because they contain carboxyl groups and
amino groups
The respiratory center helps regulate the acid/base balance of the body by controlling the rate of
During periods of intense physical exercise, the cells increase carbon dioxide production, which leads to an increase of the blood content of
carbonic acid
One of the most important plasma proteins that provides a protein buffer system is
The kidneys help regulate the acid/base balance by excreting hydrogen ions in the
In the kidneys, the alkaline condition of the blood can be regulated by the excretion of
bicarbonate ions
Hydrogen ions can be removed by a reaction between hydrogen and ammonia molecules to produce
ammonium ions
To determine the acid/base status of the body, samples are removed from the
systemic arterial blood
Normally, the pH of arterial blood is
Should the pH increase significantly above the set level in the body, the condition is known as