A client with severe bronchial pneumonia has been receiving oxygen, respiratory treatments, antibiotics, and intravenous fluids.
Which arterial blood gas result would indicate that the treatment has been effective?
pH, 7.32; pCO2, 47 mm Hg; HCO3, 29 mEq/L; pO2, 80.
pH, 7.34; pCO2, 49 mm Hg; HCO3, 27 mEq/L; pO2, 77.
pH, 7.38; pCO2, 40 mm Hg; HCO3, 25 mEq/L; pO2, 88.
pH, 7.48; pCO2, 43 mm Hg; HCO3, 23 mEq/L; pO2, 85.
The Correct Answer is C
This is because it shows a normal pH, pCO2, HCO3 and pO2, indicating that the treatment has been effective in restoring normal gas exchange and acid- base balance.
Choice A is wrong because it shows a low pH, high pCO2 and high HCO3, indicating a mixed respiratory and metabolic acidosis.
Choice B is wrong because it shows a low pH, high pCO2 and low HCO3, indicating a combined respiratory and metabolic acidosis.
Choice D is wrong because it shows a high pH, low pCO2 and low HCO3, indicating a mixed respiratory and metabolic alkalosis.
The normal ranges for arterial blood gas (ABG) are:
- pH: 7.35 – 7.45
- pO2: 10 – 14 kPa or 75 – 105 mmHg
- pCO2: 4.5 – 6 kPa or 34 – 45 mmHg
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
This is because renal calculi can cause renal colic, which is a sudden and intense pain in the flank area that radiates to the groin or testicles.
The pain is caused by the stone obstructing the ureter and triggering spasms.
Choice A is wrong because a feeling of pressure in the bladder is more likely to indicate a lower urinary tract infection or an overactive bladder.
Choice B is wrong because a mild, burning pain when urinating is more likely to indicate a urinary tract infection or a urethral injury.
Choice D is wrong because a constant, dull, aching pain in the right upper quadrant is more likely to indicate a liver or gallbladder problem.
Normal ranges for urine pH are 4.5 to 8.0, and for specific gravity are 1.005 to 1.030.
Correct Answer is A
Explanation
This is the proper way to obtain a throat culture, which is a test to look for infections in the back of the throat.
Some possible explanations for the other choices are:
Choice B is wrong because there is no need to avoid eating or drinking after a throat culture.
The swab does not interfere with the normal function of the mouth or throat.
Choice C is wrong because coughing while swabbing the throat could contaminate the sample or cause discomfort to the client. The swab should be gently passed along the back area of the throat and tonsils.
Choice D is wrong because swabbing only the anterior tongue would not collect enough cells from the infected area. The swab should reach the back of the throat where bacteria or fungi may grow.
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