Which patient is most likely experiencing a pulmonary embolism (PE)?
A 40-year-old woman who came into the ER with a swollen, painful calf and now complains of chest pains and having trouble breathing, with tachycardia and tachypnea.
A 60-year-old man who is tired and has been in the med-surg unit for 3 days with AKI after taking IV antibiotics.
A 30-year-old man with a history of smoking and a sedentary lifestyle who had an appendectomy 1 day ago and is refusing to ambulate or wear compression stockings.
A 55-year-old woman who came into the ER with chest pains, shortness of breath, nausea, tachypnea, and radiating jaw pain.
The Correct Answer is A
Choice A reason : The symptoms described for the 40-year-old woman align closely with the clinical presentation of a pulmonary embolism. Swelling and pain in the calf may indicate deep vein thrombosis (DVT), which can lead to PE. The presence of chest pain, difficulty breathing, rapid heart rate (tachycardia), and rapid breathing (tachypnea) are hallmark signs of PE³⁴.
Choice B reason : While the 60-year-old man is experiencing fatigue, which can be a symptom of many conditions, there is no direct indication of PE. Acute kidney injury (AKI) after IV antibiotics suggests a different pathophysiology unrelated to PE.
Choice C reason : The 30-year-old man's refusal to ambulate or wear compression stockings after surgery increases his risk for DVT and subsequently PE; however, he does not currently exhibit symptoms that are as indicative of PE as the 40-year-old woman.
Choice D reason : The 55-year-old woman's symptoms could suggest a cardiac event, such as a heart attack, especially with the radiating jaw pain. While PE can present with similar symptoms, the radiating pain is more characteristic of cardiac issues³.

Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Choice A reason : Conducting 15-minute checks can be part of the safety measures for a client at risk of self-harm, but it may not be sufficient for someone who is actively hearing voices commanding self-harm and refusing to engage in safety planning. These checks are less intensive and may not provide the immediate intervention needed to ensure the client's safety¹.
Choice B reason : Encouraging the client to express feelings related to suicide is an important therapeutic intervention that can provide insight into the client's emotional state and risk factors. However, if the client is actively psychotic and not engaging in safety planning, this approach alone may not be enough to ensure immediate safety¹.
Choice C reason : Placing the client on one-to-one observation is the most direct and immediate intervention to ensure safety when a client is experiencing psychotic features and is at risk of self-harm. This level of observation means that the client is never alone, and a staff member is always present to intervene if the client attempts self-harm¹.
Choice D reason : Obtaining an order for locked seclusion can be considered if other less restrictive measures are not sufficient to ensure the client's safety. However, it is generally a last resort due to the potential for negative psychological effects and should only be used when absolutely necessary and when other interventions have failed¹.
Correct Answer is C
Explanation
Choice A reason : Methadone is an opioid used primarily for opioid maintenance therapy and to relieve severe pain, not typically for alcohol withdrawal. It does not address the specific symptoms associated with alcohol withdrawal such as seizures or delirium tremens¹.
Choice B reason : Salicylates, such as aspirin, are not used to treat alcohol withdrawal. They can increase the risk of bleeding, especially in the gastrointestinal tract, which can be a concern in individuals with a history of heavy alcohol use¹.
Choice C reason : Benzodiazepines, such as chlordiazepoxide, are the first-line treatment for alcohol withdrawal. They help reduce the risk of seizures, ease withdrawal symptoms, and can prevent the progression to more severe forms of withdrawal such as delirium tremens¹².
Choice D reason : Diphenhydramine is an antihistamine with sedative properties, but it is not a first-line medication for alcohol withdrawal. While it may provide some sedation, it does not prevent seizures or other serious complications of alcohol withdrawal¹.
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