Blood gas analysis reflect the ability of what? - CORRECT ANSWER: * the lungs to
exchange oxygen and CO2
* effectiveness of kidneys in balancing retention and elimination of bicarbonate
* effectiveness of the heart as a pump
How long must a patient be NPO before an angiography procedure? - CORRECT
ANSWER: 8 hours
Metabolic acidosis is more likely to occur in a person who... - CORRECT ANSWER: is
unable to metabolize carbohydrates normally or who ingests few or no carbohydrates
normal HCO3 level - CORRECT ANSWER: 22-26
Normal PaCO2 level? - CORRECT ANSWER: 35-45
normal pH level - CORRECT ANSWER: 7.35-7.45
Normal transmission of nerve impulses and normal muscular activity, including that of
the heart, require the presence of what? - CORRECT ANSWER: Calcium
What ABG finding should a nurse expect to find for a client who is suspected to have
overdosed on aspirin? - CORRECT ANSWER: PaCO2 less than 35 - respiratory
alkalosis
What are 2 important s/s of respiratory acidosis? - CORRECT ANSWER: * rapid,
shallow respirations
* decreased level of consciousness (LOC)
What are 2 things that can lead to metabolic alkalosis? - CORRECT ANSWER: 1) Gain
of base-bicarbonate (diuretic therapy)
2) excessive excretion of metabolic acid (repeated vomiting)
What are 3 things that can lead to metabolic acidosis? - CORRECT ANSWER: 1)
excessive production or intake of metabolic acid (DKA)
2) decreased excretion of metabolic acid (oliguria)
3)loss of bicarbonate (diarrhea and draining)
What are 3 things that can lead to respiratory acidosis? - CORRECT ANSWER: 1)
Alveolar Hypoventilation (COPD)
2) ineffective respiratory pump (guillan barre syndrome)
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