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 A
Explanation
A. Jugular vein distention and +3 peripheral edema are signs of right-sided heart failure, which can result from worsening mitral stenosis. As the mitral valve becomes more narrowed, it leads to increased pressure in the left atrium and eventually backs up into the lungs and right side of the heart, causing fluid retention.
B. An increase in systolic blood pressure by 10 mmHg does not directly indicate worsening mitral stenosis. Blood pressure changes can occur for various reasons but are not as specific as signs of heart failure in this context.
C. Complaints of epigastric pain after eating a large meal are typically related to gastrointestinal issues rather than directly indicating worsening mitral stenosis.
D. Complaints of dyspnea while completing activities of daily living (ADLs) can be a sign of worsening mitral stenosis, but the additional signs of jugular vein distention and edema are more definitive indicators of worsening disease.
Correct Answer is D
Explanation
A. Checking the skin monthly for changes is a recommended practice for detecting early signs of skin cancer, such as new moles or changes to existing ones.
B. Avoiding the use of tanning booths is important because artificial tanning increases the risk of skin cancer, particularly melanoma.
C. Using sunscreen even on cloudy days is advised, as UV rays can penetrate clouds and still harm the skin.
D. A high-fiber diet, while beneficial for overall health, does not specifically reduce the risk of developing skin cancer. Risk reduction for skin cancer is more related to sun protection and avoiding UV radiation exposure.
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