ARRT N Practice Test 1

10 free ARRT N practice questions in the real exam format, covering the official content areas, with an explanation for every answer.

ARRT N Practice Test 1Tutor mode

Question 1 of 10

Procedures

A Tc-99m vial has a concentration of 50 mCi/mL at 0800. A patient needs a 20-mCi dose at 1400 the same day. What volume should be drawn at 1400? (Tc-99m T½ = 6.01 h; decay factor for 6 h ≈ 0.501.)