19 is proportional to which of the following numbers?
190%
4.76
4/76
76/4
The Correct Answer is D
To determine which number is proportional to 19, we need to identify which option represents the same ratio or value as 19.
190%:
Convert 190% to a decimal: 190% = 
= 1.91
19 is not proportional to 1.9. Therefore, the option is not correct.
4.76:
Compare 19 to 4.76: 19 is not proportional to 4.76. Therefore, the option is not correct.
:
Simplify 
: 
= 
Compare 19 to 
: 19 is not proportional to 
. Therefore, the option is not correct.
:
Simplify 
: 
=19
19 is proportional to 19. Therefore, the option is not correct.
Therefore, the correct answer is 
.
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 B
Explanation
To determine how long it takes to infuse 6 ml at an infusion rate of 1.5 ml per minute, follow these steps:
Calculate the infusion time using the rate and the volume to be infused:
Infusiontime = 
Plug in the values:
Infusiontime = 
Simplify the calculation:
Infusiontime = 4minutes
Therefore, the nurse should allow: 4 minutes for infusing 6 ml.
The correct answer is: 4 minutes
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