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
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.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. Check that the restraint is tied to a fixed frame of the bed: Restraints should never be tied to the side rails or a fixed frame of the bed, as this can lead to serious injuries. Restraints should be secured to the bed frame using quick-release ties to ensure safety.
B. Pad bony prominences on the wrist: Correct. Padding bony prominences on the wrist is an important step in the use of restraints to prevent skin breakdown and pressure injuries.
C. Remove the restraint every 4 hr to allow movement: While repositioning and releasing restraints periodically is essential for the client's comfort and safety, it is not appropriate to remove wrist restraints entirely every 4 hours, as they were prescribed for a specific purpose.
D. Tie the restraint with a knot that will tighten when pulled: Restraints should never be tied with a knot that can tighten when pulled, as this can cause harm to the client and restrict blood flow. Restraints should be secured using quick-release ties to allow for easy removal in
emergencies.
Correct Answer is C
Explanation
A. The client has smooth, brown, irregular lesions on the back of each hand – These are likely seborrheic keratoses, which are benign, age-related lesions and do not usually require reporting unless changes suggest malignancy.
B. The client has glossy, white arches around the periphery of the corneas – This is commonly arcus senilis, a normal, benign finding in older adults that does not require intervention.
C. The client reports urinary incontinence – Urinary incontinence can be a sign of underlying issues such as a urinary tract infection or neurological disorder, necessitating further evaluation by the provider.
D. The client reports a decreased sense of taste – A reduced sense of taste is a typical age-related change and does not generally need to be reported unless it is sudden or associated with other symptoms.
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