Chapter 16 Flashcards
Substance that release hydrogen
Acids
Dissolved substance move from an area of high concentrations to an are of lower concentration through semipermeable membrane
Passive membrane
Certain dissolved substance require assistance from a carrier molecule to pass through a semipermeable membrane
Facilitated diffusion
Requires an energy source a substance called adrenaline triphosphate (ATP) to drive dissolved chemicals from an area of low concentration to an area of higher concentration
Active transportation
Oral intake is controlled by
Hypothalamus
Spasm of the facials muscle when the facial nerve is tapped
Chvostek sign
Ph refers to the amount of
Hydrogen
A ph of what is neutral
7
A ph of what is acidity
Below 7
A ph of alkalinity is what
Above a 7
Normal plasma ph is
7.35-7.45
Acidosis is what
Excessive accumulation of acids or loss of bicarbonate body fluids
Alkalosis means
Excessive amout of bases or loses of acid in body fluid
What is a metabolic acidosis
Body retains to much H+
Or lose bicarbonate ions
LeAds to hyperventilation
Metabolic acidosis can Accor when
During shock and cardiac arrest , starvation , dehydration
S/s of metabolic acidosis
Kussmauls, anorexia, nausea, vomiting, headache, confusion, flushing,,lethargy dysrthmias
Metabolic alkalosis results in what
NG suctioning excessively
Increase vomit
Increase bicarbonate decrease h + ions
Massive blood transfusion
What are the s/s of metabolic alkalosis
Slow shallow breathing, n/v, hyper reactive reflexes, changes in heart rate, headache
Strict i&o
What is respiratory acidosis
Respiratory system fails to eliminate co2 to maintain normal ph
Body responds by increase in respirations
Client may make frantic effort to breath
S/s of respiratory acidosis
Extreme respiratory insuffiency, frantic effort to breath to breath slowly or irregularly , stop breathing
ABG show a decrease in PH and increase CO2
Headache, sweating, lethargy
Rapid heart rate, confusion
What is respiratory Alkalosis
To much co2 release
Hyperventilation
Decrease paco2
Increase ph
What are the s/s of respiratory alkalosis
light headed, numbness and tingling in fingers , sweating, panic, dry mouth, Fainting, seizures
Increase respiration and heart rate
Anxious irritable
Substances that bind with hydrogen
Bases
