A client is diagnosed with the syndrome of inappropriate antidiuretic hormone (SIADH). The nurse should anticipate which laboratory test result?

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Question 1 of 5

A client is diagnosed with the syndrome of inappropriate antidiuretic hormone (SIADH). The nurse should anticipate which laboratory test result?

Correct Answer: A

Rationale: The correct answer is A: Decreased serum sodium level. In SIADH, there is excess secretion of antidiuretic hormone leading to water retention and dilution of sodium in the blood. This results in hyponatremia. Other choices are incorrect as SIADH does not typically affect creatinine levels, hematocrit, or BUN levels.

Question 2 of 5

A patient from a long-term care facility is admitted to the hospital with a sacral pressure injury. The base of the wound involves subcutaneous tissue. How should the nurse classify this pressure injury?

Correct Answer: C

Rationale: The correct answer is C: Stage 3. A stage 3 pressure injury involves full-thickness skin loss with damage or necrosis of subcutaneous tissue, but not extending to muscle or bone. In this case, the base of the wound involves subcutaneous tissue, indicating a stage 3 injury. Choice A (Stage 1) is incorrect as it involves non-blanchable erythema. Choice B (Stage 2) is incorrect as it involves partial-thickness skin loss with exposed dermis. Choice D (Stage 4) is incorrect as it involves full-thickness skin loss with extensive destruction, tissue necrosis, or damage to muscle, bone, or supporting structures.

Question 3 of 5

The nurse assesses a patient’s surgical wound on the first postoperative day and notes redness and warmth around the incision. Which action by the nurse is appropriate?

Correct Answer: B

Rationale: The correct answer is B: Document the assessment. This is appropriate because redness and warmth around the incision on the first postoperative day are common signs of normal inflammatory response. Documenting the assessment allows for accurate tracking of the wound's progression. Obtaining wound cultures (choice A) is not necessary at this stage as it's too early to indicate infection. Notifying the health care provider (choice C) may be premature and can cause unnecessary alarm. Assessing the wound every 2 hours (choice D) is excessive and not indicated unless there are other concerning symptoms.

Question 4 of 5

A preoperative nurse is reviewing morning laboratory values on four clients waiting for surgery. Which result warrants immediate communication with the surgical team?

Correct Answer: C

Rationale: The correct answer is C: Potassium: 2.9 mEq/L (2.9 mmol/L). A potassium level of 2.9 mEq/L is critically low (normal range is 3.5-5.0 mEq/L) and can lead to life-threatening cardiac arrhythmias. Immediate communication with the surgical team is necessary to address this abnormality before surgery. Explanation of other choices: A: Creatinine level of 1.2 mg/dL is within normal range (0.6-1.3 mg/dL), not requiring immediate communication. B: Hemoglobin level of 14.8 mg/dL is also within normal range for males (13.8-17.2 mg/dL) and females (12.1-15.1 mg/dL), not warranting immediate communication. D: Sodium level of 134 mEq/L is within the normal range (135-145 mEq/L), so immediate communication is

Question 5 of 5

The health care provider prescribes an infusion of heparin and daily partial thromboplastin time (PTT) testing for a patient with venous thromboembolism (VTE). Which action should the nurse include in the plan of care?

Correct Answer: C

Rationale: The correct answer is C: Avoid giving IM medications to prevent localized bleeding. When a patient is on heparin therapy with PTT monitoring, it is crucial to avoid IM injections to prevent localized bleeding due to the anticoagulant effects of heparin. IM injections can lead to hematomas and increased bleeding risk. Monitoring for bilateral pedal pulses (A) is important for assessing circulation but not directly related to heparin therapy. Decreasing the infusion when PTT is 65 seconds (B) is not appropriate as the therapeutic range for PTT varies depending on the patient's condition. Having vitamin K available (D) is not necessary for heparin reversal as vitamin K does not reverse the effects of heparin.

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