A nurse is preparing to administer oxygen to a client who has heart failure and is having severe difficulty breathing. Which of the following oxygen delivery equipment should the nurse select to provide the highest concentration of oxygen to the client?

Nasal cannula

Simple face mask

Venturi mask

Nonrebreather mask

Answer and Explanation

The Correct Answer is D

A: A nasal cannula provides a low to moderate concentration of oxygen and is not suitable for a client experiencing severe difficulty breathing.
B: A simple face mask provides a higher concentration of oxygen than a nasal cannula but may not deliver a high enough concentration for a client experiencing severe respiratory distress.
C: A Venturi mask can provide a precise and adjustable concentration of oxygen but may not deliver the highest concentration needed in this scenario.
D: A nonrebreather mask can deliver the highest concentration of oxygen (up to 100%) and is the most appropriate choice for a client experiencing severe difficulty breathing.

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Correct Answer is D

Explanation

A. "Keep your knees in a locked position when standing for prolonged periods." This instruction is incorrect. Keeping knees locked can lead to muscle fatigue and increased risk of injury during prolonged standing.
B. "Bend at the waist when lifting a heavy object." This instruction is incorrect. Bending at the waist during lifting can strain the lower back and increase the risk of back injuries.
C. "Keep your feet close together when lifting a heavy object." This instruction is incorrect.
Keeping feet close together can make the base unstable and increase the risk of falling or losing balance during lifting.
D. "When lifting a heavy object, keep it close to your body." Correct. Keeping the heavy object close to the body while lifting helps reduce strain on the back and minimizes the risk of injury. This technique allows the body's core muscles to better support the weight.

A. Full bounding pulse B. Cool extremities C. Moist crackles in the lungs D. Orthostatic hypotension E. Flat neck veins

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

Explanation

A: A full bounding pulse is a sign of increased fluid volume or fluid overload, not fluid volume deficit.
B: Cool extremities can be an indication of decreased peripheral perfusion, which may occur in fluid volume deficit.
C: Moist crackles in the lungs are an indication of fluid volume excess or pulmonary congestion, not fluid volume deficit.
D: Orthostatic hypotension, which is a drop in blood pressure when changing from lying to standing, can be a sign of fluid volume deficit due to inadequate blood volume.
E: Flat neck veins are an indication of decreased venous return and can occur in fluid volume deficit.

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A nurse is preparing to administer oxygen to a client who has heart failure and is having severe difficulty breathing. Which of the following oxygen delivery equipment should the nurse select to provide the highest concentration of oxygen to the client?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

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Correct Answer is D

Explanation

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

Explanation

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