A 45-year-old male presents to the emergency department after experiencing profuse vomiting and diarrhea for 3 days. His blood pressure is 90/60 mmHg, heart rate is 110 beats per minute, and mucous membranes are dry. Which of the following interventions should the nurse prioritize?

Encourage oral intake of water

Administer potassium-sparing diuretic

Restrict fluid intake

Administer IV bolus of normal saline

Answer and Explanation

The Correct Answer is D

A. Encouraging oral intake may not be effective due to the patient's likely need for more rapid rehydration given his low blood pressure and heart rate.
B. A potassium-sparing diuretic is inappropriate in this situation, as the patient is already experiencing fluid loss and requires rehydration, not diuresis.
C. Restricting fluid intake would be contraindicated as the patient is in a state of dehydration and hypotension.
D. Administering an IV bolus of normal saline is the priority intervention to quickly restore fluid volume and improve blood pressure and hydration status.

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Correct Answer is B

Explanation

A. In the assembly stage, other proteins and enzymes are involved in the packaging of viral components into new virions, not integrase.
B. During the integration stage, integrase is essential as it inserts the newly formed viral DNA into the host's genome, enabling the virus to utilize the host's cellular machinery for replication.
C. Integrase does not participate in the entry stage; this stage is facilitated by other proteins that aid in the fusion of the virus with the host cell membrane.
D. Integrase is not involved in reverse transcription; that process is facilitated by the enzyme reverse transcriptase, which converts viral RNA into DNA.

A. Mottled skin B. Heart rate 160/min C. Blood pressure 115/68 mmHg D. Hypokalemia

Correct Answer is C

Explanation

A. Mottled skin is more indicative of the progressive or refractory stages of shock, where perfusion to the skin is severely compromised.
B. A heart rate of 160/min indicates tachycardia, which is common in shock but is not the most characteristic finding of the compensatory stage.
C. During the compensatory stage of shock, the body attempts to maintain blood pressure and perfusion, and a blood pressure of 115/68 mmHg suggests that compensatory mechanisms are still functioning adequately.
D. Hypokalemia is not a typical finding in the compensatory stage; rather, the body may exhibit signs of hyperkalemia due to tissue breakdown and acidosis.

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A 45-year-old male presents to the emergency department after experiencing profuse vomiting and diarrhea for 3 days. His blood pressure is 90/60 mmHg, heart rate is 110 beats per minute, and mucous membranes are dry. Which of the following interventions should the nurse prioritize?

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Naxlex Comprehensive Predictor Exams

In which stage of the HIV lifecycle does the enzyme integrase play a crucial role, and what is its function in that stage?

Correct Answer is B

Explanation

A nurse is caring for a client who is in the compensatory stage of shock. Which of the following findings should the nurse expect?

Correct Answer is C

Explanation

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