NUR198 Infectious Cardiac Disorders — Exam Prep (Copy)
Eight medium-difficulty multiple-choice questions based on the NUR198 Infectious Cardiac Disorders Zoom recording excerpt, focusing on dosage calculation, test-taking strategies, and core principles presented.
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Quiz Questions & Answers
Review every prompt, the correct responses, and helpful context to prep for your own run-through.
Question 1: When you see a dosage calculation question like the heparin infusion example, what is the instructor's first recommended action?
Identify the three key pieces of information: order, weight, and available concentration
Set up the IV pump and then calculate the dose
Guess a rate and recheck with clinical staff
Immediately convert all units to milliliters
Question 2: In the heparin example, how did the instructor simplify the calculation after identifying required information?
Calculate units per hour using order × weight, then convert units to mL using available concentration
Estimate the rate visually from the bag size
Add weight to the ordered units then divide by volume
Convert kilograms to pounds before any multiplication
Question 3: Using the instructor's calculation method, what intermediate value represents the 'desired dose' before converting to mL/hr in the heparin example?
765 units per hour
25,000 units per hour
15 units total
500 mL per hour
Question 4: After computing 765 units/hr and using available 25,000 units in 500 mL, what arithmetic step converts units/hr to mL/hr?
Multiply 765 by 25,000 then divide by 500
Subtract 500 from 25,000 and multiply by 765
Add 765 to 500 then divide by 25,000
Divide 765 by 25,000 then multiply by 500
Question 5: What final pump rate (rounded to nearest whole number) did the instructor obtain for the heparin infusion example?
15 mL per hour
765 mL per hour
16 mL per hour
500 mL per hour
Question 6: Which test-taking mindset did the instructor model when encountering a math question?
Stop focusing on medication names and extract only relevant data
Always use dimensional analysis exclusively
Rely on mental estimation without rechecking
Convert all orders to micrograms first
Question 7: Why did the instructor emphasize checking rounding instructions before finalizing the infusion pump setting?
Because rounding rules determine whether to round up or down and affect safe dosing
Because rounding always increases the rate to be conservative
Because rounding can replace rechecking your math
Because rounding is optional for IV medications
Question 8: Which of the following best summarizes the instructor's view on calculation methods (dimensional analysis, formula, ratios)?
Use any consistent method that reliably yields the correct answer
Formulas are discouraged because they cause errors
Dimensional analysis is the only acceptable method
Ratios must be avoided on exam questions