A patient has experienced a myocardial infarction. On which primary blood vessel will the nurse focus care to reduce ischemia?

Superior vena cava

Carotid artery

Pulmonary artery

Coronary artery

Answer and Explanation

The Correct Answer is D

A. The superior vena cava is responsible for returning deoxygenated blood from the upper body to the heart and is not directly involved in myocardial ischemia.
B. The carotid artery supplies blood to the brain and is not the primary focus in the context of myocardial infarction.
C. The pulmonary artery carries deoxygenated blood from the heart to the lungs and is not involved in coronary circulation.
D. The coronary arteries supply blood to the heart muscle itself. Ischemia during a myocardial infarction occurs when these arteries are blocked or narrowed, leading to a lack of blood flow and oxygen to the heart tissue.

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Correct Answer is C

Explanation

A. Notifying the health care provider is not the most appropriate first action, as parental consent is needed.
B. Contacting the United Network for Organ Sharing is premature without consent from the parents.
C. Since the patient is a minor, parental consent is generally required for organ donation. Instructing the patient to discuss this desire with their parents is essential for obtaining legal consent.
D. Preparing the organ donation form is also premature, as minors cannot legally consent without parental approval.

A. Cardiac B. Neurological C. Gastrointestinal D. Respiratory

Correct Answer is A

Explanation

A. Hyperkalemia can lead to dangerous cardiac arrhythmias and other heart-related complications due to its effect on the electrical conduction system of the heart, making cardiac assessment the priority.
B. While neurological assessment is important in various conditions, it is secondary to assessing cardiac status in hyperkalemia.
C. Gastrointestinal symptoms can occur with hyperkalemia, but they do not pose an immediate life-threatening risk like cardiac issues do.
D. Respiratory assessment is essential in many contexts, but the immediate threat of hyperkalemia lies in its impact on heart function, making cardiac assessment the most critical.

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A patient has experienced a myocardial infarction. On which primary blood vessel will the nurse focus care to reduce ischemia?

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Naxlex Comprehensive Predictor Exams

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Correct Answer is C

Explanation

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Correct Answer is A

Explanation

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