A patient is learning to use the three-point gait with crutches. Which action indicates they have mastered this technique?

They advance both crutches forward, then the unaffected leg

They keep the affected leg slightly touching the ground for balance

They alternate weight between both feet and crutches.

They lean forward while advancing the affected leg

Answer and Explanation

The Correct Answer is A

A. They advance both crutches forward, then the unaffected leg: The three-point gait requires moving both crutches simultaneously followed by the unaffected leg, keeping the affected leg non-weight-bearing. Correct execution of this sequence demonstrates proper mastery and safe mobility with crutches.

B. They keep the affected leg slightly touching the ground for balance: Allowing the affected leg to bear weight defeats the purpose of the non-weight-bearing technique and can increase the risk of injury. Proper three-point gait keeps the affected leg off the ground entirely.

C. They alternate weight between both feet and crutches: Alternating weight between both feet and crutches describes a two-point or four-point gait, not the three-point gait. This indicates a misunderstanding of the prescribed technique.

D. They lean forward while advancing the affected leg: Leaning forward while moving the affected leg can cause instability and falls. Proper technique requires keeping the trunk upright and weight supported through the crutches.

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Correct Answer is B

Explanation

A. Sodium 140 mEq/L: This value is within the normal reference range (135–145 mEq/L). Sodium balance is important to monitor with many medications, but this finding does not pose a contraindication to initiating amphotericin B.

B. BUN 55 mg/dL: This value is significantly elevated above the normal range (10–20 mg/dL). Amphotericin B is nephrotoxic, and impaired renal function increases the risk of severe kidney injury. This abnormal result must be reported before administering the drug.

C. Glucose 120 mg/dL: Although slightly above fasting normal levels, this value is not dangerously high and does not impact the safe initiation of amphotericin B. Glucose is not a critical concern in relation to this antifungal medication.

D. Potassium 4.5 mEq/L: This value is within the normal range (3.5–5.0 mEq/L). While amphotericin B can cause hypokalemia, a normal potassium level at baseline does not require withholding the drug.

Correct Answer is "{\"xRanges\":[55.51811002178649,62.0540577342048],\"yRanges\":[51.82072829131653,60.22408963585434]}"

Explanation

The apical pulse is auscultated in adults at the fifth intercostal space (the space between the fifth and sixth ribs) on the left side of the chest, at the midclavicular line. This location, also known as the Point of Maximal Impulse (PMI), is where the apex (tip) of the heart is closest to the chest wall. It corresponds to the area where the mitral valve sounds are best heard.

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A patient is learning to use the three-point gait with crutches. Which action indicates they have mastered this technique?

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Naxlex Comprehensive Predictor Exams

A nurse is caring for a client who has a fungal infection and has a new prescription for amphotericin B. Which of the following laboratory values should the nurse report to the provider before initiating the medication?

Correct Answer is B

Explanation

A nurse is performing a cardiac assessment. Identify where the nurse should place the stethoscope to auscultate the client's apical pulse. (You will find hot spots to select in the artwork below. Select only the hot spot that corresponds to your answer.)

Correct Answer is "{\"xRanges\":[55.51811002178649,62.0540577342048],\"yRanges\":[51.82072829131653,60.22408963585434]}"

Explanation

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