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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?

A.

pH, 7.32; pCO2, 47 mm Hg; HCO3, 29 mEq/L; pO2, 80.

B.

pH, 7.34; pCO2, 49 mm Hg; HCO3, 27 mEq/L; pO2, 77.

C.

pH, 7.38; pCO2, 40 mm Hg; HCO3, 25 mEq/L; pO2, 88.

D.

pH, 7.48; pCO2, 43 mm Hg; HCO3, 23 mEq/L; pO2, 85.

Answer and Explanation

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


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Related Questions

Correct Answer is C

Explanation

Chicken breast, green beans, and a glass of milk. This is because chicken breast is a good source of protein, which is essential for wound healing. Green beans are rich in vitamin C, which helps with collagen synthesis and immune function. Milk is a good source of calcium and vitamin D, which are important for bone health and healing.

Choice A is wrong because cheese pizza and french fries are high in fat and sodium, which can increase inflammation and delay wound healing. Orange juice is high in sugar, which can also impair wound healing and increase the risk of infection.

Choice B is wrong because cheeseburger and potato chips are also high in fat and sodium, and have similar effects as choice A. Soda is also high in sugar and can cause dehydration, which can slow down wound healing.

Choice D is wrong because spaghetti and meatballs are high in refined carbohydrates, which can spike blood sugar levels and impair wound healing.

A roll is also a refined carbohydrate and does not provide much fiber or nutrients. Chocolate pudding is high in sugar and fat, and can also worsen wound healing.

Correct Answer is C

Explanation

The client received a dose of clopidogrel at 2200. Clopidogrel is an antiplatelet drug that increases the risk of bleeding during and after a liver biopsy. The healthcare provider should be informed of this medication and decide whether to postpone the biopsy or administer reversal agents.

Choice A is wrong because being NPO since 2300 is a standard preparation for a liver biopsy.

Choice B is wrong because pain in the left lower quadrant and constipation are not related to the liver biopsy and do not pose an immediate risk.

Choice D is wrong because having an allergy is not relevant to the liver biopsy unless it is an allergy to the local anesthetic or contrast agent used.

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