A 25-year-old patient with generalized anxiety disorder presents to the ED with shortness of breath, dizziness, and tingling in the fingers. The nurse reviews the ABG results: pH: 7.50, PaCO2: 30 mmHg HCO3: 24 mEq/L. What is the most likely acid-base imbalance?

Respiratory acidosis

Metabolic alkalosis

Respiratory alkalosis

Metabolic acidosis

Answer and Explanation

The Correct Answer is C

A. Respiratory acidosis would present with a low pH (acidotic) and a high PaCO2, which is not the case here.

B. Metabolic alkalosis would be suggested by an elevated pH and elevated HCO3, but here, the bicarbonate level is normal (24 mEq/L).

C. Respiratory alkalosis is indicated by a pH of 7.50 (alkalosis) and a PaCO2 of 30 mmHg, which is lower than the normal range (35-45 mmHg). This low PaCO2 suggests that the patient is hyperventilating, likely due to anxiety, which causes the body to excrete too much CO2.

D. Metabolic acidosis would present with a low pH and a low bicarbonate level, neither of which are seen in this case.

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Correct Answer is ["0.8"]

Explanation

Volume (mL) = Dose (mg) / Concentration (mg/mL)

In this case:

Dose = 30 mg
Concentration = 40 mg/mL

So, Volume = 30 mg / 40 mg/mL = 0.75 mL

Therefore, the nurse should administer 0.8 mL of enoxaparin.

A. "Come with me. Here is a milkshake to drink." B. "We need you to decide what activities you will do today C. "You will need to leave the dining room right now and go somewhere else to exercise." D. "You are already too thin and exercise is not good for you. Go sit down somewhere and eat something."

Correct Answer is A

Explanation

A. Offering the client a milkshake while directing them to a different activity provides a way to meet the client's nutritional needs and addresses their manic energy by giving them a focus other than exercise. This approach maintains structure without creating confrontation.

B. Giving the client the autonomy to decide on their activities might not be appropriate in acute mania, where impulsivity and poor judgment can lead to further disorganization.

C. Telling the client to leave the dining room immediately could escalate the situation, as it may be seen as an authoritative and disruptive intervention. A more supportive approach is better.

D. Telling the client that exercise is not good for them can escalate the situation or worsen their distress. It may also reinforce negative self-image and discourage further participation in necessary eating and nutrition.

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A 25-year-old patient with generalized anxiety disorder presents to the ED with shortness of breath, dizziness, and tingling in the fingers. The nurse reviews the ABG results: pH: 7.50, PaCO2: 30 mmHg HCO3: 24 mEq/L. What is the most likely acid-base imbalance?

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Naxlex Comprehensive Predictor Exams

A client is to receive enoxaparin 30 mg subcutaneously. Available is enoxaparin 40 mg/mL. How many mL should the nurse administer? (Round the answer to the nearest tenth. Use a leading zero if it applies. Do not use a trailing zero.)

Correct Answer is ["0.8"]

Explanation

A nurse is caring for a client who has bipolar disorder and is experiencing acute mania. The client is doing calisthenics in the client dining room during lunchtime instead of eating. Which of the following statements should the nurse make?

Correct Answer is A

Explanation

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