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 A

Explanation

A. A moderate-carbohydrate diet is recommended because carbohydrates increase CO₂ production during metabolism, and limiting excessive carbohydrate intake can help manage CO₂ retention in patients with respiratory issues.
B. Low-caffeine is not directly related to CO₂ retention and does not influence carbon dioxide levels in the body.
C. High-carbohydrate intake can exacerbate CO₂ production, worsening retention issues in patients with compromised lung function.
D. High-caffeine intake is not related to CO₂ retention management and would not impact CO₂ levels in the respiratory system.

A. All cultures value cleanliness with the same degree of importance. B. Patients who appear unkempt place little importance on hygiene practices. C. The patient’s illness may require teaching of new hygiene practices. D. Personal preferences determine hygiene practices and are unchangeable.

Correct Answer is C

Explanation

A. Cultural values regarding cleanliness vary, so it is inaccurate to assume uniform standards.
B. Judging the patient as placing "little importance" on hygiene due to appearance can lead to biases and does not consider the patient’s routine.
C. Diabetes may necessitate changes in hygiene practices, especially regarding foot care, to prevent complications. Education on optimal hygiene practices is essential for health management in diabetic patients.
D. While personal preferences influence hygiene, they can be adapted with appropriate education and guidance when necessary for health reasons.

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

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A patient is experiencing carbon dioxide retention from lung problems. Which type of diet will the nurse most likely suggest for this patient?

Correct Answer is A

Explanation

Correct Answer is C

Explanation

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