The nurse understands that the major factor affecting oxygenation in a client who has fluid in the lungs is:

poor tissue perfusion from circulatory insufficiency.

decreased diffusion of oxygen from the alveoli to the blood.

lowered oxygen carrying capacity.

decreased concentration of oxygen in the air.

Answer and Explanation

The Correct Answer is B

Choice A rationale: Poor tissue perfusion from circulatory insufficiency can affect oxygenation, but fluid in the lungs primarily impacts gas exchange at the alveolar level.

Choice B rationale: Decreased diffusion of oxygen from the alveoli to the blood is a major factor affecting oxygenation when fluid is present in the lungs.

Choice C rationale: Lowered oxygen carrying capacity can affect oxygenation but is not the primary concern in the presence of fluid in the lungs.

Choice D rationale: Decreased concentration of oxygen in the air is not the primary factor affecting oxygenation in a client with fluid in the lungs.

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

Explanation

Choice A rationale: Compensating for an ongoing problem affecting other fluid or electrolytes is a common rationale for IV therapy.

Choice B rationale: Increasing urine specific gravity to 1.045 is not a typical goal for IV therapy. IV therapy would decrease the urine specific gravity by diluting the urine with fluids.

Choice C rationale: Moving fluid into an area that is physiologically unavailable is not a primary goal of IV therapy. Physiologically unavailable areas are those that are separated from the rest of the body by a membrane or barrier, such as the cerebrospinal fluid, the intraocular fluid, or the pleural fluid. IV therapy does not cross these barriers and only affects the intravascular and interstitial spaces.

Choice D rationale: Correcting imbalance in fluid and electrolytes is a primary goal of IV therapy.

Choice E rationale: Expanding intravascular volume is a common goal of IV therapy, especially in cases of dehydration or hypovolemia.

A. decreased carbon dioxide level. B. increased oxygen level. C. increased carbon dioxide level. D. decreased oxygen level.

Correct Answer is C

Explanation

Choice A rationale: The normal stimulus to breathe is an increased carbon dioxide level, which stimulates the respiratory center in the brain.

Choice B rationale: Increased oxygen levels do not serve as the primary stimulus for breathing. The respiratory center is primarily responsive to carbon dioxide levels.

Choice C rationale: Increased carbon dioxide level is the correct stimulus for normal breathing.

Choice D rationale: Decreased oxygen level is not the primary stimulus for normal breathing.

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The nurse understands that the major factor affecting oxygenation in a client who has fluid in the lungs is:

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

The nurse understands that the rationale(s) for clients receiving intravenous (IV) therapy is/are to: (SELECT ALL THAT APPLY)

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

Explanation

In providing care for clients, the nurse knows that the normal stimulus to breathe is a/an:

Correct Answer is C

Explanation

The nurse is preparing an Injection of 10 units of regular Insulin and 5 units of NPH insulin from two vials. The nurse should:

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