A nurse is providing home safety information for an older adult client who uses a cane. Which of the following statements should the nurse include in the teaching?

You should advance your weak leg forward to the cane, then move your strong leg

You should advance the cane 12 to 14 inches before taking a step.

The cane’s height should be the same as the distance from the floor to the crest of your hip bone?

You should hold the cane in your weak hand when ambulating

Answer and Explanation

The Correct Answer is C

A. You should advance your weak leg forward to the cane, then move your strong leg:
Advancing the weak leg first and then the strong leg is not the proper technique for using a cane. The correct method is to hold the cane on the stronger side and move the cane and the weaker leg forward together, followed by the stronger leg.

B. You should advance the cane 12 to 14 inches before taking a step:
Advancing the cane 12 to 14 inches is too far. The cane should be advanced approximately 6 to 10 inches to maintain balance and support.

C. The cane’s height should be the same as the distance from the floor to the crest of your hip bone:
The correct height for a cane is when the handle is at the level of the wrist when the user is standing with the arm hanging naturally at their side. This typically corresponds to the distance from the floor to the greater trochanter (hip bone). This ensures the cane provides the right amount of support and reduces the risk of strain or imbalance.

D. You should hold the cane in your weak hand when ambulating:
The cane should be held in the stronger hand, not the weak hand. This allows the cane to provide support to the weaker side of the body and helps to balance the weight distribution more effectively.

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Correct Answer is D

Explanation

D. 28%:

When a client receives oxygen via a nasal cannula at a flow rate of 2 L/min, the approximate inspired oxygen concentration is around 24-28%. This is because each liter of oxygen delivered through a nasal cannula adds approximately 4% to the baseline room air concentration of 21%. Therefore, at 2 L/min, the client would be receiving approximately 24-28% inspired oxygen concentration.

A. 36%, B. 70%, C. 50%:

These percentages are not consistent with the oxygen concentration delivered via a nasal cannula at 2 L/min. Higher flow rates or alternative oxygen delivery systems, such as masks or high-flow nasal cannula, would be needed to achieve these concentrations.

A. Calcium gluconate 1.5 grams IV now B. Dextrose 50% injection (50ml) IV push now C. Colace 100 mg PO now D. Regular insulin 10 units IV now E. Potassium chloride 20 mEq orally now

Correct Answer is ["A","B","D"]

Explanation

A) Calcium gluconate 1.5 grams IV now: Calcium gluconate is administered to counteract the effects of hyperkalemia by stabilizing the myocardial cell membrane. It does not lower potassium levels but helps protect the heart from potential dysrhythmias associated with high potassium levels.

B) Dextrose 50% injection (50ml) IV push now: Dextrose 50% injection, also known as D50W, is administered to temporarily shift potassium from the extracellular space into the intracellular space, thereby lowering serum potassium levels. It is commonly used in combination with insulin to facilitate the movement of potassium into cells.

C) Colace 100 mg PO now: Colace is a stool softener and does not affect serum potassium levels. It is not indicated for the treatment of hyperkalemia.

D) Regular insulin 10 units IV now: Regular insulin is administered with dextrose to facilitate the movement of potassium from the extracellular space into the intracellular space. Insulin stimulates the cellular uptake of glucose, which in turn drives potassium into cells along with glucose.

E) Potassium chloride 20 mEq orally now: Potassium chloride is contraindicated in the treatment of hyperkalemia as it would further increase serum potassium levels. It is typically used to supplement potassium in clients with hypokalemia, not hyperkalemia.

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A nurse is providing home safety information for an older adult client who uses a cane. Which of the following statements should the nurse include in the teaching?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A nurse is caring for a client who is receiving oxygen at 2 L/min via a nasal cannula. The nurse recognizes the client is receiving which of the following inspired oxygen concentration?

Correct Answer is D

Explanation

The nurse is caring for the client with cardiac and renal disease. The client now has a serum potassium level of 6.0 mEq/L. Which medications, if prescribed, should the nurse administer? Select all that apply.

Correct Answer is ["A","B","D"]

Explanation

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