Common Ions in the Human Body and Their Physiologic Significance (Chapter 2)
Ion thats physiologic significance is in buffering of pH in blood
Bicarbonate ion (HCO3-)
Ion thats physiologic significance is the conversion of CO2 gas to HCO3, which is transported in the blood
Bicarbonate ion (HCO3-)
Ion thats physiologic significance is as a second messenger in hormonal stimulation of cells
Calcium ion (Ca2+)
Ion thats physiologic significance is in blood clotting
Calcium ion (Ca2+)
Ion thats physiologic significance is in exocytosis (including release of neurotransmitter)
Calcium ion (Ca2+)
Ion thats physiologic significance is in muscle contraction
Calcium ion (Ca2+)
Ion thats physiologic significance is in the hardness of bones and teeth
Calcium ion (Ca2+)
Ion that is a component of stomach acid (HCl)
Chloride ion (Cl-)
Ion thats physiologic significance is in chloride shift in erythrocytes
Chloride ion (Cl-)
Ion thats physiologic significance is to alter nerve cells responsiveness to stimulation
Chloride ion (Cl-)
Ion in the body thats concentration determines pH of blood and other fluids of the body
Hydrogen ion (H+)
Ion in the body that is required for ATP production
Magnesium ion (Mg2+)
Ion that is a component of nucleotides, including ATP and nucleic acids (DNA and RNA)
Phosphate ion (PO4)3-
Ion that is a component of phospholipids (membranes)
Phosphate ion (PO4)3-
Ion thats physiologic significance is hardening of bone and teeth as Ca3(PO4)2
Phosphate ion (PO4)3-
Ion thats physiologic significance is to be a intracellular buffer
Phosphate ion (PO4)3-
Most common intracellular anion
Phosphate ion (PO4)3-
Ion that functions in pH balance
Potassium ion (K+)
Ion that plays a role in glycogen storage in the liver and muscle
Potassium ion (K+)
Most common intracellular cation
Potassium ion (K+)
Common cations (positively charged) in the body
Sodium (Na+), Potassium ion (K+), Calcium ion (Ca2+), Magnesium ion (Mg2+), Hydrogen (H+)
Ion involved in cotransport of other substances across a plasma membrane
Sodium ion (Na+)
Most common extracellular cation
Sodium ion (Na+)
What is the most important cation in osmotic movement of water?
Sodium ion (Na+)
What common cations in the body participate in conducting electrical signals in nerves and muscle?
Sodium ion (Na+), potassium ion (K+)