A client is to receive 2 mg of haloperidol IM. The vial contains 5 mg per mL. What volume should the nurse administer?
The Correct Answer is ["0.4"]
Step 1: Desired dose = 2 mg
Step 2: Available concentration = 5 mg/mL
Step 3: Use the formula:
Volume to administer = Desired dose ÷ Concentration available
Step 4: Plug in the values:
Volume to administer = 2 mg ÷ 5 mg/mL = 0.4 mL
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A. While the liver is centrally located and plays a significant role in filtering blood, its location alone does not directly explain why it's a common site for metastasis.
B. Portal hypertension refers to increased pressure within the portal vein system, usually due to liver disease, not metastasis.
C. The liver has a dual blood supply from the portal vein and the hepatic artery, which makes it a key organ for filtering blood coming from the digestive tract. This provides a route for cancer cells from the gastrointestinal tract and other organs to travel to the liver, making it a common site for metastasis.
D. Tumor markers are substances that may be found in higher amounts in the blood or tissues of people with cancer. However, they do not directly explain why the liver is a common site for metastasis.
Correct Answer is B
Explanation
A. Respiratory rate, respiratory depth, and pulse oximetry is important for assessing respiratory status, especially postoperatively, but does not directly address fluid volume status, which is the priority nursing problem in this case.
B. After a pancreatoduodenectomy (Whipple procedure), patients are at risk for fluid imbalances due to potential complications such as leakage, infection, or inadequate gastrointestinal absorption. Monitoring abdominal girth, bowel sounds, and NG tube output helps assess fluid volume status and gastrointestinal function.
C. While BUN, creatinine, and weight are valuable in assessing kidney function and fluid status, the immediate postoperative concern is more focused on gastrointestinal function and fluid loss from surgical drainage, rather than renal function alone.
D. Vital signs and cardiac rhythm are important for monitoring overall cardiovascular status, but they do not specifically address the risk of deficient fluid volume as effectively as the assessments in option B, which directly address potential sources of fluid loss.
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