Fundamentals of Nursing HESI

Correct Answer: A

Rationale: The nurse should see the client who has new onset of dyspnea 24 hours after a total hip arthroplasty first. New onset of dyspnea, especially after surgery, can indicate a serious complication such as a pulmonary embolism or deep vein thrombosis. It is essential to assess this client promptly to rule out potentially life-threatening conditions. Acute abdominal pain, a UTI with low-grade fever, and pneumonia with an oxygen saturation of 96% are important issues but do not indicate the urgency and potential severity of a post-operative complication like pulmonary embolism or deep vein thrombosis.

Correct Answer: A

Rationale: Daily weight is the most accurate measure of fluid status in a client with acute renal failure. Fluctuations in weight reflect changes in body fluid volume, including both fluid retention or loss. Intake and output, while important, may not always accurately reflect overall fluid status as it does not account for insensible losses. Urine specific gravity can provide information on urine concentration but does not offer a comprehensive assessment of overall fluid status. Peripheral edema, although a sign of fluid retention, is a more subjective assessment and may not always accurately reflect the client's fluid status like daily weight monitoring does.

Correct Answer: A

Rationale: An uneven shape of a lesion is a common characteristic of malignant skin lesions. Asymmetric or irregularly shaped lesions are concerning for skin cancer and should be reported promptly for further evaluation and management. Choice B, a uniformly colored lesion, is more indicative of a benign lesion as malignant lesions often exhibit variations in color. Choice C, a lesion that is small and flat, does not necessarily indicate malignancy by itself. Choice D, a lesion that is less than 1 cm in diameter, is more suggestive of a benign lesion, as malignant lesions are typically larger in size.

Correct Answer: C

Rationale: When preparing to insert an IV catheter, stroking the extremity before insertion helps to visualize veins, making it easier to locate a suitable vein for catheter insertion. Choosing the most distal site on the extremity is correct because veins more distal are preferred for IV catheter insertion. Applying a cool compress to the extremity before insertion is unnecessary and not a standard practice. Placing the tourniquet below the proposed insertion site is incorrect; the tourniquet should be placed above the proposed insertion site to help engorge the veins for easier visualization and access.

Correct Answer: A

Rationale: To calculate the total amount of heparin received, multiply the infusion rate (50 ml/hour) by the total infusion time (5.5 hours). This results in 275 ml of the solution infused. Since there are 20,000 units of heparin in 500 ml, there are 800 units per ml. Therefore, 275 ml contains 220,000 units. However, the heparin is diluted in 500 ml, so the client has received half of this amount, which is 110,000 units. Therefore, the correct answer is 11,000 units. Choices B, C, and D are incorrect as they do not reflect the correct calculation based on the provided information.