A nurse in a provider's office is assessing a client who reports dyspnea and fatigue. Physical assessment reveals tachycardia and weak peripheral pulses. The nurse should recognize these findings as manifestations of which of the following conditions?

Asthma

Aortic valve regurgitation

Heart failure

Aortic stenosis

Answer and Explanation

The Correct Answer is C

A. Asthma typically presents with wheezing, shortness of breath, and chest tightness. While dyspnea is a symptom, tachycardia and weak peripheral pulses are not characteristic findings associated with asthma.
B. Aortic valve regurgitation may cause dyspnea and fatigue, but it is more commonly associated with bounding pulses and diastolic murmur rather than weak peripheral pulses.
C. Heart failure is characterized by symptoms such as dyspnea, fatigue, tachycardia, and weak peripheral pulses due to reduced cardiac output and poor perfusion to the extremities. The nurse should recognize these signs as indicative of heart failure.
D. Aortic stenosis can lead to symptoms like dyspnea and fatigue; however, it typically presents with a triad of symptoms including exertional dyspnea, angina, and syncope, rather than weak peripheral pulses.

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Correct Answer is D

Explanation

Choice A reason:

Administering an anticholinesterase medication is not the primary intervention during a myasthenic crisis. While these medications can improve muscle strength in myasthenia gravis, they are not sufficient in the event of a crisis.

Choice B reason:

Pursed lip breathing is a technique used to manage dyspnea but is not adequate for the acute management of a myasthenic crisis, which can involve respiratory muscle paralysis.

Choice C reason:

Vasoconstrictors are not used in the treatment of myasthenic crisis. This condition is not related to vascular issues but to neuromuscular transmission failure leading to respiratory failure.

Choice D reason:

Mechanical ventilation is the correct intervention as it provides the necessary respiratory support when the patient's respiratory muscles are too weak to maintain adequate ventilation.

Correct Answer is ["50"]

Explanation

To calculate the gt/min, the nurse should use the following formula:

gt/min = (mL/hr x drop factor) / 60

Plugging in the given values, we get:

gt/min = (150 mL/hr x 20 gt/mL) / 60

gt/min = 3000 gt/hr / 60 gt/min = 50 gt/min

Therefore, the nurse should set the manual IV infusion to deliver 50 gt/min.

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A nurse in a provider's office is assessing a client who reports dyspnea and fatigue. Physical assessment reveals tachycardia and weak peripheral pulses. The nurse should recognize these findings as manifestations of which of the following conditions?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A nurse suspects a client who has myasthenia gravis is experiencing a myasthenic crisis. Which of the following interventions should the nurse take?

Correct Answer is D

Explanation

A nurse is caring for a client who is postoperative following an appendectomy and is prescribed 1 L lactated Ringer's at 150 mL/hr by continuous IV infusion for 12 hr. The drop factor of the manual IV tubing is 20 gt/mL. The nurse should set the manual IV infusion to deliver how many gt/min?

Correct Answer is ["50"]

Explanation

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