ATI Pharmacology Exam 2 | Nurselytic

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ATI Pharmacology Exam 2 Questions

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Question 1 of 5

A client is prescribed 1 g potassium phosphate IV to be infused continuously over 6 hr. Available is 1 g potassium phosphate in 250 mL dextrose 5% water (DSW). The nurse should set the IV pump to run at how many mL/hr? (Round the answer to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.)

Correct Answer: B

Rationale:
To calculate the rate of infusion, we first convert 1g to mg (1000mg).
Then, we divide the total volume (250mL) by the total time (6hr) to get the mL/hr rate. 250mL/6hr = 41.67 mL/hr. Since we need to round to the nearest whole number, the answer is 42 mL/hr (leading zero applies).
Therefore, choice B (42) is correct.

Choices A, C, and D are incorrect as they do not reflect the accurate calculation of the infusion rate.

Question 2 of 5

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Question 3 of 5

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Question 4 of 5

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Question 5 of 5

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