A nurse is reviewing the arterial blood gas values for a client. The nurse should recognize that the values indicate which of the following acid-base imbalances?
The values are:
- pH: 7.56
- PaCO2: 55 mmHg
- HCO3: 33 mEq/L
Normal ranges:
- pH: 7.35-7.45
- PaCO2: 35-45 mmHg
- HCO3: 22-28 mEq/L
Metabolic Alkalosis
Metabolic Acidosis
Respiratory Alkalosis
Respiratory Acidosis
The Correct Answer is A
Choice A Reason:
Metabolic Alkalosis is correct. The pH of 7.56 is above the normal range (7.35-7.45), indicating alkalosis. The HCO3 level of 33 mEq/L is also above the normal range (22-28 mEq/L), which suggests a metabolic cause. In metabolic alkalosis, the body has an excess of bicarbonate or a loss of hydrogen ions.
Choice B Reason:
Metabolic Acidosis is incorrect. Metabolic acidosis is characterized by a low pH (below 7.35) and a low HCO3 level (below 22 mEq/L). The given values indicate alkalosis, not acidosis.
Choice C Reason:
Respiratory Alkalosis is incorrect. Respiratory alkalosis is characterized by a high pH (above 7.45) and a low PaCO2 (below 35 mmHg). In this case, the PaCO2 is elevated (55 mmHg), which does not align with respiratory alkalosis.
Choice D Reason:
Respiratory Acidosis is incorrect. Respiratory acidosis is characterized by a low pH (below 7.35) and a high PaCO2 (above 45 mmHg). While the PaCO2 is elevated, the pH indicates alkalosis, not acidosis.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
Choice A Reason:
Defamation of character is incorrect. Defamation of character involves making false statements about someone that damage their reputation. This can be in the form of slander (spoken) or libel (written). Applying restraints without proper justification does not fall under defamation of character.
Choice B Reason:
Invasion of privacy is incorrect. Invasion of privacy involves intruding into someone’s personal life without consent. This can include unauthorized access to personal information or spaces. Applying restraints without proper justification is not an invasion of privacy.
Choice C Reason:
Slander is incorrect. Slander is a form of defamation that involves making false spoken statements that damage someone’s reputation. Applying restraints without proper justification does not involve making false statements.
Choice D Reason:
False imprisonment is correct. False imprisonment involves restraining a person without legal justification or their consent. In a healthcare setting, applying restraints without proper justification or following legal and ethical guidelines constitutes false imprisonment and violates the client’s rights.
Correct Answer is C
Explanation
Choice A Reason:
The client has full range of motion in her wrist does not necessarily indicate a need to loosen the restraints. Full range of motion suggests that the restraints are not too tight and are allowing for some movement. However, it is important to regularly assess the client’s circulation, skin integrity, and comfort to ensure the restraints are not causing harm.
Choice B Reason:
The client is attempting to remove the restraint is a common behavior in clients who are restrained, especially if they are confused or agitated. While this behavior warrants close monitoring and possibly re-evaluating the need for restraints, it does not necessarily indicate that the restraints need to be loosened. The nurse should assess the client’s overall condition and consider alternative methods to ensure safety.
Choice C Reason:
The client has cyanotic digits is a critical finding that indicates impaired circulation. Cyanosis, or a bluish discoloration of the skin, occurs when there is a lack of oxygen in the blood. This can be a sign that the restraints are too tight and are restricting blood flow to the extremities. In this case, the nurse should immediately loosen the restraints to restore proper circulation and prevent further complications.
Choice D Reason:
The client denies discomfort is a positive finding, indicating that the client is not experiencing pain or distress from the restraints. However, the absence of discomfort does not rule out other potential issues such as impaired circulation or skin breakdown. Regular assessments are necessary to ensure the restraints are being used safely and effectively.
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