CRCST Decontamination practice questions

10 questions · Untimed · Explanation after each question

Bloodborne pathogens, microbiology and prions, PPE, point-of-use care, manual and mechanical cleaning, washer and ultrasonic tests, water quality, TASS, Spaulding classification and high-level disinfection. Cleaning, Decontamination and Disinfection is 21% of the CRCST exam, about 27 of the 125 scored questions.

Line drawing of a deep stainless steel sink with a lumen brush, a basket of opened instruments and a detergent dispenser

Before you start

Every question has four options and one correct answer. Each explanation says why the answer is right and why the most tempting wrong answer is wrong.
Check each answer to see the explanation before moving on. Checked answers cannot be changed.

Original practice questions written to the HSPA CRCST Exam Content Outline (revised November 2023), not HSPA exam questions. Independent practice, not affiliated with or endorsed by HSPA (the Healthcare Sterile Processing Association) or Prometric. CRCST is an HSPA certification.