Major Ions

Question 0

Chloride usually follows the movement of this cation

Answer 0

Sodium (Na+)

Question 1

Plasma concentration of this ion determines pH

Answer 1

Hydrogen (H-)

Question 2

The chief extra cellular cation

Answer 2

Sodium (Na+)

Question 3

Most diuretics work by blocking the renal reabsorption of this cation

Answer 3

Sodium (Na+)

Question 4

Over 99% of this cation is stored in the bones and teeth

Answer 4

Calcium (Ca++)

Question 5

Neutralizes a base

Answer 5

Hydrogen (H+)

Question 6

The chief intracellular cation

Answer 6

Potassium (K+)

Question 7

Hypernatremia and hyponatremia refer to abnormal plasma concentrations of this ion

Answer 7

Sodium (Na+)

Question 8

Hyperkalemia and hypokalemia refer to abnormal plasma concentrations of this ion

Answer 8

Potassium (K+)

Question 9

Many diuretics cause kaliuresis, thereby causing a loss of this ion

Answer 9

Potassium (K+)

Question 10

Hypercalcemia and hypocalcemia refer to abnormal plasma concentrations of this ion

Answer 10

Calcium (Ca++)

Question 11

Aldosterone causes the kidneys to excrete this ion

Answer 11

Potassium (K+)

Question 12

The chief extra cellular anion

Answer 12

Bicarbonate (HCO3-)

Question 13

An increase in this cation causes acidosis

Answer 13

Hydrogen (H+)

Question 14

Regulated primarily by parathyroid hormone (PTH)

Answer 14

Chloride (Cl-)

Question 15

Aldosterone stimulates the kidney to reabsorb this cation

Answer 15

Sodium (Na+)

Question 16

The respiratory system is most sensitive to the plasma concentrations of this cation

Answer 16

Hydrogen (H+)

Question 17

Carbon dioxide (CO2) is transported in the blood in this form

Answer 17

Bicarbonate (HCO3-)

Question 18

Buffers H+

Answer 18

Bicarbonate (HCO3)