A patient's blood gases show a pH of 7.53, PCO2 of 48, and HCO3 of 36 mEq/L. The nurse realizes that the acid-base disorder this patient is demonstrating is which of the following?

Respiratory Acidosis

Respiratory Alkalosis

Metabolic Alkalosis

Metabolic Acidosis

Answer and Explanation

The Correct Answer is C

Choice A reason: Respiratory Acidosis is characterized by a low pH and a high PCO2, which is not the case here.

Choice B reason: Respiratory Alkalosis would involve a high pH and a low PCO2, which is not consistent with the patient's PCO2 level.

Choice C reason: Metabolic Alkalosis is indicated by a high pH and a high HCO3, which matches the patient's blood gas values.

Choice D reason: Metabolic Acidosis would show a low pH and a low HCO3, which is the opposite of this patient's presentation.

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Correct Answer is C

Explanation

Choice A reason: Fluid volume status aﬀects preload, not afterload.
Choice B reason: Atrial contraction contributes to filling of the ventricles, not to afterload.
Choice C reason: Afterload is the resistance left ventricular must overcome to circulate blood, which is accurately described as resistance to blood ﬂow.
Choice D reason: Myocardial compliance refers to the elasticity of the heart muscle, which aﬀects how the heart fills, not the resistance it must overcome to eject blood.

A. Hypertension B. History of sickle cell disease C. Parent who has cardiovascular disease D. Client's age

Correct Answer is A

Explanation

Choice A reason: Hypertension is a well-known modifiable risk factor for stroke. Controlling blood pressure can significantly reduce the risk of having a stroke.
Choice B reason: A history of sickle cell disease is a genetic condition and is not considered a modifiable risk factor.
Choice C reason: Having a parent with cardiovascular disease is a non-modifiable risk factor as it is related to genetics.
Choice D reason: Age is a non-modifiable risk factor for stroke. The risk of stroke increases with age.

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A patient's blood gases show a pH of 7.53, PCO2 of 48, and HCO3 of 36 mEq/L. The nurse realizes that the acid-base disorder this patient is demonstrating is which of the following?

Nursing Test Bank

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Explanation

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