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◉what causes a lower pH in the body . Answer: the greater the
concentration of hydrogen, the more acidic the body fluids
◉what causes a higher pH in the body . Answer: the lower the
concentration of hydrogen, the more alkaline the body fluids
◉hyperventilation and hydrogen ions . Answer: causes a decrease in
hydrogen ions
◉hypoventilation and hydrogen ions . Answer: causes an increase in
hydrogen ions
◉normal pH for the blood . Answer: 7.35-7.45
◉what causes respiratory acidosis . Answer: hypoventilation
,◉what causes hypoventilation . Answer: - respiratory depression from
opioids, poisons
- brain tumors, stroke, trauma
- muscle weakness, flail chest, obesity, sleep apnea
- airway obstruction
- pneumothorax
◉manifestations of respiratory acidosis . Answer: - tachycardia (severe
is bradycardia), tachypnea, hypertension
- anxiety, irritability, confusion, coma
- ineffective, shallow, rapid breathing
- pale or cyanotic
◉nursing care for a patient with respiratory acidosis . Answer: - oxygen
therapy
- maintain patent airway
- positioning and breathing techniques
◉what causes respiratory alkalosis . Answer: hyperventilation
◉what causes hyperventilation . Answer: - fear, anxiety, intracerebral
trauma, excessive mechanical ventilation
- hypoxemia from asphyxiation, high altitudes, shock, pneumonia
,◉lab values for respiratory alkalosis . Answer: PaCO2: less than 35
pH: greater than 7.45
HCO3: less than 24
◉lab values for respiratory acidosis . Answer: PaCO2: greater than 45
pH: less than 7.35
HCO3: greater than 28
◉manifestations of respiratory alkalosis . Answer: - tachypnea
- inability to concentrate, numbness, tingling
- tachycardia, dysrhythmias
- rapid deep respirations
◉nursing care for respiratory alkalosis . Answer: - oxygen therapy
- anxiety reduction interventions
- rebreathing techniques
◉what causes metabolic acidosis . Answer: - diabetic ketoacidosis
- starvation
- heavy exercise, seizure activity, hypoxia
- liver failure
, - diarrhea
◉lab values for metabolic acidosis . Answer: pH: less than 7.35
HCO3: less than 24
PaCO2: greater than 35
◉manifestations of metabolic acidosis . Answer: - dysrhythmias
- bradycardia, weak pulses, hypotension, tachypnea
- headache, drowsiness, confusion
- rapid deep respirations (kussmaul)
◉causes of metabolic alkalosis . Answer: - oral ingestion of excess
amount of antacids
- blood transfusions, TPN
- prolonged vomiting, NG suction
◉lab values for metabolic alkalosis . Answer: pH: greater than 7.45
HCO3: greater than 28
PaCO2: greater than 45
◉manifestations of metabolic alkalosis . Answer: - tachycardia,
hypotensive