The nurse identifies which patient condition may be treated with a tissue plasminogen activator?
Idiopathic pulmonary fibrosis
Sarcoidosis
Atelectasis
Pulmonary embolus (PE)
The Correct Answer is D
Choice A reason: Idiopathic pulmonary fibrosis is a chronic, progressive lung disease characterized by scarring of the lung tissue. Tissue plasminogen activators (tPAs) are not used for this condition, as they are primarily designed to dissolve blood clots, not to address fibrotic changes in the lungs.
Choice B reason: Sarcoidosis is an inflammatory disease that affects multiple organs, particularly the lungs and lymph glands. It involves the growth of tiny collections of inflammatory cells called granulomas. Tissue plasminogen activators are not used in the treatment of sarcoidosis since the condition is not related to blood clots but rather to immune system dysregulation.
Choice C reason: Atelectasis is the complete or partial collapse of a lung or lobe of a lung due to alveoli deflation. The treatment typically focuses on re-expanding the lung tissue through techniques such as deep breathing exercises, bronchoscopy, or mechanical ventilation. Tissue plasminogen activators are not relevant for this condition, as they are used to dissolve blood clots, not to treat lung collapse.
Choice D reason: Pulmonary embolus (PE) is a blockage in one of the pulmonary arteries in the lungs, usually caused by blood clots that travel to the lungs from the legs or other parts of the body (deep vein thrombosis). Tissue plasminogen activators are used to treat PE because they can effectively dissolve the blood clots obstructing the pulmonary arteries, thereby restoring normal blood flow and preventing further complications.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Choice A reason: Hypoglycemia typically presents with symptoms such as sweating, trembling, hunger, confusion, and in severe cases, loss of consciousness. The patient's symptoms of sudden right-sided weakness and difficulty speaking are more consistent with a neurological event rather than low blood sugar levels.
Choice B reason: Hemorrhagic stroke involves bleeding within the brain. Although it can present with similar symptoms to ischemic stroke, the diagnostic tests indicate no evidence of hemorrhage. This makes a hemorrhagic stroke less likely.
Choice C reason: Ischemic stroke occurs when a blood clot blocks a blood vessel in the brain, leading to reduced blood flow and oxygen to a part of the brain. The patient's symptoms of sudden right-sided weakness and expressive aphasia are classic signs of an ischemic stroke, and the absence of hemorrhage on the head CT scan supports this diagnosis.
Choice D reason: Multiple sclerosis (MS) is a chronic, progressive disease that affects the central nervous system. It usually presents with episodic neurological symptoms rather than the sudden onset seen in this patient. MS symptoms develop over time and can vary widely, whereas the patient's acute presentation is more indicative of a stroke.
Correct Answer is B
Explanation
Choice A reason: Type 2 diabetes mellitus, while a serious chronic condition, does not directly predispose patients to delirium. Diabetes primarily impacts the body's ability to regulate blood glucose levels, leading to complications such as cardiovascular disease, neuropathy, and nephropathy. However, it is not directly linked to the acute cognitive disturbances seen in delirium unless it leads to severe metabolic derangements, which is less common.
Choice B reason: Alcohol abuse is a significant risk factor for the development of delirium, especially in ICU patients. Chronic alcohol use can lead to a condition known as delirium tremens (DTs) during withdrawal, characterized by severe agitation, confusion, hallucinations, and autonomic hyperactivity. Patients with a history of alcohol abuse may have altered brain chemistry and neurotransmitter imbalances that predispose them to delirium when stressed by illness or surgery. Moreover, alcohol abuse can lead to liver dysfunction, nutritional deficiencies (particularly thiamine), and other systemic issues that further exacerbate the risk.
Choice C reason: Anxiety can exacerbate stress and discomfort in a patient but is not a primary causative factor for delirium. Anxiety may contribute to an increased sense of fear or confusion, especially in an ICU setting. However, it does not cause the profound disruption in cognitive function, attention, and awareness that characterizes delirium.
Choice D reason: Impaired communication might be a consequence or symptom seen in patients with delirium, but it is not a root cause. Patients with pre-existing communication difficulties might struggle more to express symptoms or needs, which could complicate care, but it does not inherently lead to the onset of delirium. Effective communication strategies and aids can help manage these challenges but do not address the underlying neurological changes seen in delirium.
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