10 free HSRT practice questions in the real exam format, covering the official content areas, with an explanation for every answer.
HSRT Practice Test 1Tutor mode
Question 1 of 10
Analysis
A unit manager writes: "Since new hand-sanitizer stations were installed on Unit 4 in January, hospital-acquired infections there fell from 12 to 7 per quarter. The stations caused the decrease." Which assumption does this conclusion depend on?