The nurse is caring for a client with neurogenic diabetes insipidus and administers what drug to treat the condition.
Desmopressin.
Methylprednisolone.
Dexamethasone.
Physostigmine.
The Correct Answer is A
Desmopressin is a synthetic analog of antidiuretic hormone (ADH) that acts on the kidneys to increase water reabsorption and decrease urine output. Neurogenic diabetes insipidus is a condition caused by a deficiency of ADH due to damage to the hypothalamus or pituitary gland. Patients with this condition have excessive thirst and urination, dehydration, and low urine specific gravity.
Choice B. Methylprednisolone is wrong because it is a corticosteroid that suppresses inflammation and immune response.
It is not used to treat diabetes insipidus.
Choice C. Dexamethasone is wrong because it is also a corticosteroid that has similar effects as methylprednisolone.
It is not used to treat diabetes insipidus.
Choice D. Physostigmine is wrong because it is a cholinesterase inhibitor that increases the levels of acetylcholine in the body.
It is used to treat myasthenia gravis and anticholinergic poisoning.
It has no effect on diabetes insipidus.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
This is because phenothiazines are contraindicated in patients with suspected or established subcortical brain damage. Phenothiazines can cause central nervous system effects such as drowsiness, dizziness, and extrapyramidal symptoms that may worsen the condition of a client with a brain injury.
Choice B is wrong because phenothiazines are not contraindicated in clients with ischemic heart disease.
However, they should be used with caution as they can cause hypotension and cardiac arrhythmias.
Choice C is wrong because phenothiazines are not contraindicated in pediatric clients.
However, they should be used with caution as they can cause sedation, anticholinergic effects, and paradoxical excitement.
Choice D is wrong because phenothiazines are not contraindicated in clients with type 2 diabetes.
However, they should be used with caution as they can cause hyperglycemia and alter the effects of antidiabetic drugs.
Correct Answer is D
Explanation
Famotidine is a histamine type 2 receptor antagonist (H blocker) which is commonly used for treatment of acid-peptic disease and heartburn. Famotidine has been linked to rare instances of clinically apparent acute liver injury, but it is less likely to cause hepatotoxicity than cimetidine, another H blocker. Famotidine also has fewer drug interactions than cimetidine.
Choice A is wrong because nizatidine is another H blocker that can cause mild and transient serum aminotransferase elevations.
Nizatidine has not been linked to cases of clinically apparent liver injury, but it has not been widely used.
Choice B is wrong because ranitidine is another H blocker that can cause mild and transient serum aminotransferase elevations.
Ranitidine has also been associated with rare instances of clinically apparent liver injury, some of which were fatal or required liver transplantation.
Choice C is wrong because cimetidine is another H blocker that can cause mild and transient serum aminotransferase elevations.
Cimetidine has also been implicated in several cases of clinically apparent acute liver injury, some of which were severe and led to acute liver failure and death.
Cimetidine also has many drug interactions due to its inhibition of cytochrome P enzymes.
Normal ranges for serum aminotransferases are 7 to 56 U/L for alanine aminotransferase (ALT) and 10 to 40 U/L for as
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