A nurse is reviewing the laboratory results of a client who has DKA. The client's ABG results are pH 7.30, PaCO₂ 34 mm Hg and HCO₃ 21 mEq/L. The nurse should identify that these values indicate which of the following acid-base imbalances?
Respiratory alkalosis
Metabolic alkalosis
Metabolic acidosis
Respiratory acidosis
The Correct Answer is C
A nurse reviewing the laboratory results of a client who has DKA should identify that the client's ABG results of pH 7.30, PaCO₂ 34 mm Hg and HCO₃ 21 mEq/L indicate metabolic acidosis. Metabolic acidosis is an acid-base imbalance characterized by a low pH (less than 7.35) and a low bicarbonate level (less than 22 mEq/L).
The other options are not correct.
a) Respiratory alkalosis is an acid-base imbalance characterized by a high pH (greater than 7.45) and a low PaCO₂ (less than 35 mm Hg).
b) Metabolic alkalosis is an acid-base imbalance characterized by a high pH (greater than 7.45) and a high bicarbonate level (greater than 26 mEq/L).
d) Respiratory acidosis is an acid-base imbalance characterized by a low pH (less than 7.35) and a high PaCO₂ (greater than 45 mm Hg).
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Keeping a baby rear-facing in the car seat until they reach the age of 2 years old or until they reach the maximum height and weight limits recommended by the car seat manufacturer is a crucial safety guideline. Rear-facing car seats provide better support for a baby's head, neck, and spine in the event of a crash, reducing the risk of severe injuries.
"I should place my baby in the car seat at a 90-degree angle." The correct positioning for a rear-facing car seat is typically between a 30 to 45-degree angle. This angle helps ensure the baby's airway remains open and prevents their head from flopping forward.
"I should position the car seat's retainer clip at the level of my baby's belly button." The retainer clip of the car seat should be positioned at armpit level, not at the level of the baby's belly button. The retainer clip is designed to secure the harness straps and should be placed across the chest, resting on the bony part of the shoulders.
"I should enable the airbag when my baby is in the front seat of the car." It is not safe to have a rear-facing car seat with a baby in the front seat of a vehicle with an active airbag. Airbags can pose a significant risk to infants due to the force with which they deploy. It is recommended to place a rear-facing car seat in the back seat of the vehicle and disable the airbag in the front passenger seat if the baby needs to ride in the front.
It is important for parents to receive proper education on car seat safety and follow the guidelines set forth by car seat manufacturers, national recommendations, and local laws and regulations.
Correct Answer is A
Explanation
The action by the AP that indicates an understanding of the procedure is elevating the client's legs before applying the stockings. Elevating the legs can help reduce swelling and make it easier to apply the stockings.
Option b is incorrect because instructing the client to dorsiflex their feet while applying the stockings may not be necessary.
Option c is incorrect because massaging the client's legs before applying the stockings may not be necessary or appropriate.
Option d is incorrect because folding the top of the stockings over after applying them may not be necessary or appropriate.
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