NR 341 Quiz #1 ABGs LATEST
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DETAILED EXPLANATIONS GRADED
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Why is an ABG analysis usually ordered? - Answer: An ABG
analysis is usually one of the first tests ordered to assess
respiratory status because it helps evaluate gas exchange in the
lungs.
What measures are included in an ABG analysis? - Answer: -pH
-Partial pressure of arterial carbon dioxide
-Partial pressure of arterial oxygen
-Bicarbonate level
What does pH show in an ABG analysis? - Answer: pH is an
indication of hydrogen ion concentration in the blood and shows
the blood's alkalinity or acidity.
What does the partial pressure of arterial carbon dioxide reflect
in an ABG analysis? - Answer: Known as the respiratory
,parameter, PaCO2 reflects the adequacy of the lungs' ventilation
and CO2 elimination.
What does the partial pressure of arterial oxygen reflect in an
ABG analysis? - Answer: The PaO2 reflects the body's ability to
pick up O2 from the lungs
What does thee bicarbonate level reflect in an ABG analysis? -
Answer: Known as the metabolic parameter, the HCO3- level
reflects the kidney's ability to retain and excrete HCO3-
What are the normal ABG values? - Answer: -pH: 7.35-7.45
-PaCO2: 35-45 mmHg
-HCO3-: 22-26 mEq/L
-PaO2: 80-100 mmHg
What lab levels characterize respiratory acidosis? - Answer: pH
< 7.35; PaCO2 > 45
What causes respiratory acidosis? - Answer: Hypoventilation
(CNS depression, pulmonary edema)
Chronic obstructive pulmonary disease (COPD), sedative
, overdose, severe pneumonia, atelectasis, respiratory muscle
weakness
What are the assessment findings that accompany respiratory
acidosis? - Answer: Bradycardia, hypotension, confusion
Lethargy, dizziness, headache, coma, warm/flushed skin,
seizures, dysrhythmias (related to potassium shifts during
compensation)
What are the treatments for respiratory acidosis? - Answer:
Increase RR, reposition patient, maintain patent airway
What lab values characterize respiratory alkalosis? - Answer: pH
> 7.45; PaCO2 < 35
What causes respiratory alkalosis? - Answer: Hyperventilation
(excessive mechanical ventilation, anxiety, fever,
pneumothorax)
Hypoxemia from acute pulmonary disorders
What assessment findings accompany respiratory alkalosis? -
Answer: Tachycardia, palpitations, anxiety, seizures,
perspiration/diaphoresis
UPDATE VERIFIED QUESTIONS &
DETAILED EXPLANATIONS GRADED
A+
Professional Academic Assistance Services
Why is an ABG analysis usually ordered? - Answer: An ABG
analysis is usually one of the first tests ordered to assess
respiratory status because it helps evaluate gas exchange in the
lungs.
What measures are included in an ABG analysis? - Answer: -pH
-Partial pressure of arterial carbon dioxide
-Partial pressure of arterial oxygen
-Bicarbonate level
What does pH show in an ABG analysis? - Answer: pH is an
indication of hydrogen ion concentration in the blood and shows
the blood's alkalinity or acidity.
What does the partial pressure of arterial carbon dioxide reflect
in an ABG analysis? - Answer: Known as the respiratory
,parameter, PaCO2 reflects the adequacy of the lungs' ventilation
and CO2 elimination.
What does the partial pressure of arterial oxygen reflect in an
ABG analysis? - Answer: The PaO2 reflects the body's ability to
pick up O2 from the lungs
What does thee bicarbonate level reflect in an ABG analysis? -
Answer: Known as the metabolic parameter, the HCO3- level
reflects the kidney's ability to retain and excrete HCO3-
What are the normal ABG values? - Answer: -pH: 7.35-7.45
-PaCO2: 35-45 mmHg
-HCO3-: 22-26 mEq/L
-PaO2: 80-100 mmHg
What lab levels characterize respiratory acidosis? - Answer: pH
< 7.35; PaCO2 > 45
What causes respiratory acidosis? - Answer: Hypoventilation
(CNS depression, pulmonary edema)
Chronic obstructive pulmonary disease (COPD), sedative
, overdose, severe pneumonia, atelectasis, respiratory muscle
weakness
What are the assessment findings that accompany respiratory
acidosis? - Answer: Bradycardia, hypotension, confusion
Lethargy, dizziness, headache, coma, warm/flushed skin,
seizures, dysrhythmias (related to potassium shifts during
compensation)
What are the treatments for respiratory acidosis? - Answer:
Increase RR, reposition patient, maintain patent airway
What lab values characterize respiratory alkalosis? - Answer: pH
> 7.45; PaCO2 < 35
What causes respiratory alkalosis? - Answer: Hyperventilation
(excessive mechanical ventilation, anxiety, fever,
pneumothorax)
Hypoxemia from acute pulmonary disorders
What assessment findings accompany respiratory alkalosis? -
Answer: Tachycardia, palpitations, anxiety, seizures,
perspiration/diaphoresis
