The healthcare provider prescribes interferon beta-1b 0.125 mg every other day for a client with multiple sclerosis. The nurse reconstitutes the single-use vial of powder labeled, "0.3 mg with 2 mL of sterile water." How many mL should the nurse administer to the client? (Enter the numerical value only. If rounding is required, round to the nearest tenth.)
The Correct Answer is ["0.8"]
The vial contains 0.3 mg of medication, which has been reconstituted with 2 mL of sterile water. Therefore, each milliliter of solution contains 0.15 mg of medication.
The prescribed dose is 0.125 mg, so the nurse should administer \( \frac{0.125\ mg}{0.15\ mg/mL} = 0.8333 \) mL of the solution.
After rounding to the nearest tenth, the nurse should administer 0.8 mL of the reconstituted solution to the client every other day.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
D. Sputum culture is the gold standard diagnostic test for confirming the diagnosis of tuberculosis. It involves culturing the bacteria from sputum samples to identify the presence of Mycobacterium tuberculosis, the causative organism of TB.
A. The Hemoccult test is used to detect occult (hidden) blood in stool samples, not sputum.
B. Chest x-ray or CT imaging is commonly used in the diagnosis of tuberculosis. However, imaging findings alone are not sufficient to confirm the diagnosis of TB.
C. The PPD skin test is a screening test for tuberculosis infection. A positive PPD test indicates exposure to TB bacteria but does not distinguish between latent TB infection and active TB disease.
Correct Answer is B
Explanation
B. Pancreatitis is often associated with elevated serum amylase levels due to pancreatic inflammation. Therefore, this combination of clinical symptoms and laboratory findings is valuable in assessing the severity and confirming the diagnosis of pancreatitis.
A. While these are important clinical findings, they are not specific to pancreatitis and may not provide definitive information about the severity or cause of the condition.
C. Chronic constipation and serum gastrin levels are not typically associated with pancreatitis.
D. Serum Helicobacter pylori (H. pylori) antibody results and urine output amounts are not directly related to pancreatitis. H. pylori infection is associated with peptic ulcers and gastritis but not typically with pancreatitis.
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