HSCI 1105 Study Guide - Quiz Guide: Hyponatremia, Extracellular Fluid, Hypernatremia

• School: Northeastern University
• Department: Health Science
• Course: HSCI 1105
• Professor: Spadano- Gasbaro

Document Summary

Differs by individual: body size, composition, activity level; temp. + humidity exceed kidney;s max excretion rate (0. 7-1. 0l/hr) dehydration can progress rapidly result: overhydration and hyponatremia headaches, confusion, difficulty breathing, coma, even death. Sodium an essential nutrient table salt (1 tsp ~ Ai- 1500mg regulates fluid balance and blood pressure muscle contractions transmission of nerve impulses. Ul- 2300mg reduce if 51+, african american, or have hbp, diabetes, or kidney disease. Potassium major intracellular cation fresh fruits and veggies. Chloride major extracellular anion most comes from salt. Ai- 2300mg excess excreted by kidneys does not occur under normal circumstances maintain fluid and electrolyte balance in stomach, part of. Hcl: kills bacteria, denatures protein, bioavailability of vitamin b12. Phosphorou s most abundant intracellular anion widespread/abundant in food supply absorption: 55- Rda- 700mg/d unlikely critical role in bone as part of hydroxyapatite best sources: animal based protein. Ul- 4000mg has a ul but no adverse effects reported phosphorylation activates/deactivates enzymes.