121 + 2.01 – 14.43
30.781
34.701
43.131
63.561
The Correct Answer is B
To solve the expression 47.121+2.01−14.43, follow these steps:
Add 47.121 and 2.01:
47.121+2.01 = 49.131
Subtract 14.43 from 49.13:
49.131−14.43 = 34.701
So, the correct answer is:
34.701
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
To determine the new infusion time when the rate is 20% slower, follow these steps:
Find the original infusion time:
The original time is 45 minutes.
Calculate the 20% slower rate:
A 20% slower rate means the time will be increased by 20%.
20% of 45 minutes is: 0.20×45=9minutes
Add the extra time to the original time:
The new infusion time is: 45minutes + 9minutes =54minutes
Therefore, the nurse should infuse the medication over: 54 minutes
Correct Answer is C
Explanation
To divide 
by 
, we multiply 
by the reciprocal of 
:
÷ 
= 
× 
Now, perform the multiplication:
× 
= 
Simplify the fraction 
:
The greatest common divisor (GCD) of 54 and 56 is 2, so:
= 
Thus, the correct answer is:
So the correct choice is: 
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