A nurse is obtaining informed consent from a client who is preoperative. Which of the following actions should the nurse take? (Select all that apply.)

Explain the surgical procedure to the client.

Validate the signature is authentic.

Verify the client understands the surgical procedure.

Confirm that the consent is voluntary.

Establish that the client is able to pay for the surgical procedure.

Answer and Explanation

Correct Answer : B,C,D

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Correct Answer is A

Explanation

A. Troponin is a protein found in cardiac muscle cells. When there is damage to the heart muscle, such as during a myocardial infarction (heart attack), troponin is released into the bloodstream. Therefore, elevated troponin levels in the blood indicate myocardial injury or damage.
B. Troponin is not an enzyme; it is a protein. While there are enzymes such as creatine kinase (CK) and lactate dehydrogenase (LDH) that can indicate damage to various tissues including heart and skeletal muscles, troponin specifically indicates cardiac muscle damage.
C. Troponin is not involved in oxygen transport. Hemoglobin, found in red blood cells, is the protein responsible for oxygen transport in the body.
D. Troponin is not a lipid; it is a protein. Lipids include substances like cholesterol and triglycerides. Troponin levels do not reflect the risk for coronary artery disease; rather, they indicate acute damage to the heart muscle.

A. Metabolic alkalosis B. Respiratory acidosis C. Metabolic acidosis D. Respiratory alkalosis

Correct Answer is B

Explanation

A. Metabolic alkalosis is characterized by a high pH (>7.45) and an elevated bicarbonate (HCO3-). The ABG results show a pH of 7.32 (which is acidic), PaCO2 of 48 mm Hg (slightly elevated), and HCO3- of 23 mEq/L (within normal range). These findings do not indicate metabolic alkalosis.
B. Respiratory acidosis is characterized by a low pH (<7.35) and an elevated PaCO2 (>45 mm Hg). The ABG results show a pH of 7.32 (acidic) and a PaCO2 of 48 mm Hg (slightly elevated). These findings are consistent with respiratory acidosis, where the elevated PaCO2 indicates inadequate ventilation leading to retention of carbon dioxide and subsequent acidosis.

C. Metabolic acidosis is characterized by a low pH (<7.35) and a decreased bicarbonate (HCO3-). The ABG results show a pH of 7.32 (acidic) and HCO3- of 23 mEq/L (normal). These findings are not indicative of metabolic acidosis.
D. Respiratory alkalosis is characterized by a high pH (>7.45) and a decreased PaCO2 (<35 mm Hg). The ABG results show a pH of 7.32 (acidic) and a PaCO2 of 48 mm Hg (elevated). These findings do not indicate respiratory alkalosis.

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A nurse is obtaining informed consent from a client who is preoperative. Which of the following actions should the nurse take? (Select all that apply.)

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Correct Answer is A

Explanation

A nurse is reviewing the arterial blood gas values for a client. The pH is 7.32, PaCO2 48 mm Hg and the HCO3 is 23 mEq/L. The nurse should recognize that these findings indicate of which of the following acid base balances?

Correct Answer is B

Explanation

The nurse recognizes the need for client education when the client scheduled for a computed tomography (CT) states:

A nurse is caring for a client who is postoperative and whose respirations are shallow and 9/min. Which of the following acid-based imbalances should the nurse identify the client as being at risk for developing initially?

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A nurse evaluates a client's arterial blood gas values (ABGs): pH 7.1, PaCO2 70 mm Hg, and HCO3 22 mEq/L. Which intervention does the nurse implement first?

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