Calcium and Phosphate Regulation — Flashcards

Flashcard 1: _____calcemia will lead to shortening of QT interval and decrease in ST segment duration on ECG

Answer: Hyper

Flashcard 2: _____ -osmolarity may cause K+ to shift out of cells, causing hyperkalemia

Answer: Hyper

Flashcard 3: Stimulation of hypothalamic osmoreceptors stimulates _____ and secretion of ADH

Answer: thirst

Flashcard 4: The total number of osmotically active particles is expressed in units called _____.

Answer: osmoles

Extra: Osmolarity is the concentration of osmotically active particles expressed as osmoles per liter (Osm/L). Osmolality is the concentration expressed as osmoles per kilogram of solvent (Osm/kg).

Flashcard 5: Normal osmolarity of plasma is mainly due to _____

Answer: sodium ions

Flashcard 6: Isotonic NaCl infusion is a cause of _____-osmotic volume expansion

Answer: iso

Flashcard 7: Excessive NaCl intake is a cause of _____-osmotic volume expansion

Answer: hyper

Flashcard 8: The major anions of _____ fluid are proteins and organic phosphates

Answer: intracellular

Flashcard 9: _____, Deuterium and Antipyrine are used for measurement of Total body water (TBW)

Answer: Tritium

Flashcard 10: What is the following equation also called? _____

Answer: Gibbs-Donnan equation