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 spinach and salads contain a lot of vitamin K, which can make warfarin less effective at preventing blood clots.
Vitamin K helps the blood to clot, so eating foods high in vitamin K can counteract the effect of warfarin.
Choice A is wrong because wheat bread and butter do not contain a lot of vitamin K and do not affect warfarin.
Choice B is wrong because mangoes and tomatoes do not contain a lot of vitamin K and do not affect warfarin.
Choice D is wrong because aged cheeses and wine do not contain a lot of vitamin K and do not affect warfarin.
It is important to keep a stable diet while taking warfarin and avoid sudden changes in the amount of vitamin K intake. Foods that are high in vitamin K include green leafy vegetables, chickpeas, liver, egg yolks, avocado, and olive oil.
These foods should be limited but not eliminated from the diet. Do not drink cranberry or grapefruit juice while taking warfarin as they can increase the risk of bleeding.
Correct Answer is A
Explanation
Schizophrenia is a disorder that has genetic risk factors, but is not caused by a single gene. The risk of developing schizophrenia is higher if you have a close relative with the disorder, but it is not certain. The risk varies depending on the degree of relatedness and the number of genes involved. The heritability of schizophrenia, which measures how much of the risk is due to genetic factors, is estimated to be between 60% to 80%.
Choice B is wrong because it exaggerates the risk of schizophrenia for children of affected parents. The risk is about 10%, not 10 times more than the general public.
Choice C is wrong because it gives a false and misleading statistic.
There is no 50% chance that a child will be born with schizophrenia, and there is no evidence that crowded places and high anxiety situations can cause the disorder.
Choice D is wrong because it is based on false and outdated stereotypes. Females with schizophrenia are not infertile and can carry a full-term pregnancy, but most of the people who are affected are male.
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