A nurse is assessing a patient who has a history of atherosclerosis. Which assessment finding suggests myocardial ischemia?

Chest pain that radiates to the jaw

Sudden and severe abdominal pain

Blurred vision

Dry cough

Answer and Explanation

The Correct Answer is A

A. Chest pain that radiates to the jaw:
This finding suggests myocardial ischemia, as chest pain (angina) that radiates to the jaw is a classic symptom of cardiac origin. It is known as referred pain and occurs because the nerves that innervate the heart and jaw have a similar sensory pathway. The pain may be described as pressure, squeezing, or tightness in the chest, and it often spreads to the neck, shoulders, arms, or jaw. This pattern of pain radiation is typical in myocardial ischemia or heart attack due to inadequate blood supply to the heart muscle.

B. Sudden and severe abdominal pain:
While abdominal pain can be associated with various conditions, sudden and severe abdominal pain is not a typical symptom of myocardial ischemia. Instead, it may indicate other abdominal issues such as gastrointestinal problems, pancreatitis, or intra-abdominal vascular events. Myocardial ischemia typically presents with chest pain or discomfort, rather than abdominal pain.

C. Blurred vision:
Blurred vision is not a typical symptom of myocardial ischemia. It may suggest ocular issues such as refractive errors, dry eyes, or conditions affecting the retina or optic nerve. Myocardial ischemia primarily manifests with symptoms related to the heart, such as chest pain, shortness of breath, or other signs of cardiovascular compromise.

D. Dry cough:
A dry cough is not a typical symptom of myocardial ischemia. It may be associated with various respiratory conditions such as allergies, asthma, or respiratory infections. Myocardial ischemia primarily presents with symptoms related to the heart and cardiovascular system, such as chest pain, palpitations, or dyspnea.

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Correct Answer is C

Explanation

A. Administer post-exposure prophylaxis medication: Administering post-exposure prophylaxis (PEP) medication is an essential step in preventing HIV transmission after a needlestick injury. However, it is not the first action to be taken. Before administering PEP, immediate precautions should be implemented to minimize the risk of transmission.

B. Determine the HIV status of the patient: While knowing the HIV status of the patient is important for assessing the risk of transmission, it is not the first action to be taken after a needlestick injury. Obtaining the patient's HIV status may take time and may not be immediately available. Therefore, other precautionary measures should be implemented first.

C. Advise exposed health care providers to use precautions: This is the most immediate and appropriate action following a needlestick injury. Advising exposed healthcare providers to use precautions, such as wearing gloves and washing the affected area thoroughly, helps minimize the risk of HIV transmission immediately after the incident. It is essential to prioritize safety measures for the healthcare provider while waiting for further assessment and management steps.

D. Undergo early reevaluation after exposure: While early reevaluation after exposure is important, especially for assessing the need for additional medical interventions, it is not the first action to be taken. Immediate precautions to prevent transmission should be prioritized before further evaluation.

Correct Answer is ["42"]

Explanation

To calculate the infusion rate in mL/hr for total parenteral nutrition (TPN) to be infused over 24 hours, you would divide the total volume (1000 mL) by the total time (24 hours):

1000 mL ÷ 24 hr = approximately 41.67 mL/hr

Rounded to the nearest whole number, the IV pump should be set to deliver 42 mL/hr.

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A nurse is assessing a patient who has a history of atherosclerosis. Which assessment finding suggests myocardial ischemia?

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Naxlex Comprehensive Predictor Exams

Correct Answer is C

Explanation

A nurse is preparing to administer total parental nutrition (TPN) 1000 mL to infuse over 24 hr. The nurse should set the IV pump to deliver how many mL/hr.? (Round the answer to the nearest whole number. Use a leading zero fit applies. Do not use a trailing zero.)

Correct Answer is ["42"]

Explanation

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