A patient is undergoing oxygen therapy through a nasal cannula.If the patient inquires about the reason for having oxygen tubing in their nose, what explanation about the cannula should the nurse provide?
It allows you to remove it for a while when it gets uncomfortable.
It delivers the low concentration of oxygen you need.
It delivers a specific concentration of oxygen constantly.
It delivers the highest concentration of oxygen possible.
The Correct Answer is B
Choice A rationale
While it’s true that a nasal cannula allows the patient to remove it for a while when it gets uncomfortable, this is not the primary reason for using a nasal cannula. The main purpose of a nasal cannula is to deliver oxygen.
Choice B rationale
A nasal cannula delivers the low concentration of oxygen that the patient needs. It is designed to provide a specific amount of oxygen, and the flow rate can be adjusted as needed.
Choice C rationale
While a nasal cannula does deliver a specific concentration of oxygen, it does not do so constantly. The amount of oxygen delivered can vary depending on the patient’s breathing rate and depth.
Choice D rationale
A nasal cannula does not deliver the highest concentration of oxygen possible. Other devices, such as non-rebreather masks, can deliver higher concentrations of oxygen.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Choice A rationale
A client who has community-acquired pneumonia with copious respiratory secretions should be assigned to the private room. This is because pneumonia, especially with copious respiratory secretions, can be transmitted through the air, and therefore requires airborne precautions.
Choice B rationale
A client who has AIDS and is coughing up blood may not necessarily require a private room for airborne precautions. While AIDS is a serious condition, it is not primarily transmitted through the air. Instead, it is transmitted through direct contact with bodily fluids, particularly blood, semen, vaginal fluids, and breast milk.
Choice C rationale
A client who has Guillain-Barré syndrome and is on a ventilator would not necessarily require a private room for airborne precautions. Guillain-Barré syndrome is a neurological disorder, not an infectious disease, and it is not transmitted from person to person.
Choice D rationale
A client who has bronchitis and a tracheostomy may not necessarily require a private room for airborne precautions. While bronchitis can be caused by an infection, it is typically transmitted through direct contact or droplet transmission, not through the air.
Correct Answer is B
Explanation
Choice A rationale
The statement “The client should first move the strong leg then the weak one” is not the best practice when using a cane. The client should move the cane and the weak leg forward at the same time, then move the strong leg.
Choice B rationale
The statement “When the client moves, he should move the cane forward first” is the correct practice. Moving the cane first provides stability and support for the next step.
Choice C rationale
The statement “The client should hold the cane on the weak side of his body” is not the correct practice. The cane should be held on the strong side of the body to provide support for the weak side.
Choice D rationale
The statement “The grip should be level with the client’s waist” is a good practice, but it’s not the best answer for this question. The grip of the cane should be at the level of the client’s wrist when the client’s arm is hanging down. This allows the client to maintain a slight bend in their elbow when holding the cane.
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