CPNRE Prep Exam Questions And Answers Rated A+ New Update Assured Satisfaction

What are the important functions of water? - Answer-- Transport nutrients & 02 and waste - Medium for metabolic reactions - Insulation and heat regulation - Form and Substance to body tissues - Lubrication How much does water account for in total body weight - Answer-- Adult = 60% - Infant = 70-80% Insensible water loss - Answer-continuous, immeasurable and unnoticed water loss - ex: Perspiration, respiration Sensible water loss - Answer-- occurs through urine and sweat - observable and measurable Electrolytes - Answer-- substances that dissociate in solutions referred as ions - Help regulate water, acid-base balance and neuromuscular activity Aldosterone - Answer-Hormone that stimulates the kidney to retain sodium ions and water - released by adrenal cortex ADH - Answer-- antidiuretic hormone (vasopressin) - conserves body water by reducing loss through the urine - works on the distal and collecting tubules Atrial natriuretic peptide (ANP) - Answer-- hormone secreted from atrial cells of the heart - Responds to increased atrial pressure - Causes vasodilation, increased urine excretion - inhibits kidneys from releasing reninIntracellular fluid (ICF) - Answer-- fluid within cells - most prevalent cation = Potassium Extracellular fluid (ECF) - Answer-- fluid outside the cells; includes intravascular and interstitial fluids - Contains Chloride and Sodium Hypovolemia - Answer-- loss of normal body fluids - Due to: diarrhea, hemorrhage, decreased intake, plasma loss - replaced with isotonic solution (Intravenous or orally)