A nurse is caring for a patient with a diagnosis of sepsis who is on a ventilator in the intensive care unit. To reduce the risk of developing a physiologic stress ulcer, the nurse should anticipate an order to administer which medication?
Methylprednisolone
Enoxaparin
Pantoprazole
Ibuprofen
The Correct Answer is C
A. Methylprednisolone is a corticosteroid used to reduce inflammation and suppress the immune system. While corticosteroids are sometimes used in critical care settings, they are not specifically used to prevent stress ulcers. In fact, corticosteroids can increase the risk of gastrointestinal bleeding and may require additional measures to protect the stomach lining.
B. Enoxaparin is a low molecular weight heparin (LMWH) used primarily for the prevention of deep vein thrombosis (DVT) and pulmonary embolism (PE). It works as an anticoagulant, preventing blood clots. While enoxaparin is important for preventing thromboembolic events in critically ill patients, it does not specifically address the prevention of stress ulcers.
C. Pantoprazole is a proton pump inhibitor (PPI) that reduces gastric acid production by inhibiting the proton pumps in the stomach lining. PPIs are commonly used to prevent and treat stress ulcers because they help decrease gastric acid secretion, thereby reducing the risk of ulcer formation and bleeding. This makes pantoprazole the appropriate medication to administer to prevent physiologic stress ulcers in a patient with sepsis on a ventilator.
D. Ibuprofen is a nonsteroidal anti-inflammatory drug (NSAID) that is used for pain relief and inflammation. NSAIDs can actually increase the risk of gastrointestinal bleeding and ulceration, especially in critically ill patients.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. Elevated serum cholesterol is a common finding in hypothyroidism. The thyroid hormones play a role in regulating lipid metabolism, so low levels of thyroid hormones can lead to increased cholesterol levels. This is a typical finding in Hashimoto's disease, as it often results in hypothyroidism.
B. In Hashimoto's disease, which leads to hypothyroidism, TSH levels are usually elevated rather than low. TSH is produced by the pituitary gland and stimulates the thyroid gland to produce thyroid hormones (T3 and T4). When the thyroid gland is underactive and not producing enough hormones, the pituitary gland compensates by increasing TSH production. Therefore, a low TSH level would not be expected in Hashimoto's disease.
C. Free T4 (thyroxine) is typically low in hypothyroidism. Hashimoto's disease causes an underactive thyroid gland, which leads to decreased production of thyroid hormones, including free T4. Elevated free T4 would not be consistent with the diagnosis of Hashimoto's disease.
D. Elevated ACTH is more relevant to conditions involving the adrenal glands, such as Addison's disease or Cushing's syndrome. It is not a typical finding in Hashimoto's disease. Hashimoto's primarily affects thyroid function and does not directly impact ACTH levels.
Correct Answer is D
Explanation
A. Peptic ulcers are sores that develop on the lining of the stomach, small intestine, or esophagus due to the erosion caused by stomach acid. A Mallory-Weiss tear is not related to peptic ulcers. Instead, it results from a different type of injury related to forceful vomiting or retching.
B. Chewable aspirin is not a treatment for Mallory-Weiss tears. In fact, aspirin can exacerbate bleeding and is typically avoided in situations where gastrointestinal bleeding is present. Mallory-Weiss tears are generally managed by supportive measures and sometimes endoscopic interventions, not with aspirin.
C. A Mallory-Weiss tear specifically affects the mucosal lining at the junction of the esophagus and the stomach, not the duodenum. The duodenum is part of the small intestine, and tears or bleeding here are not characteristic of Mallory-Weiss syndrome.
D. A Mallory-Weiss tear is a tear or laceration in the mucosal lining at the gastroesophageal junction (where the esophagus meets the stomach). It is typically caused by severe vomiting or retching, which can lead to the tear and subsequent upper gastrointestinal bleeding.
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