Free COHC Practice Questions
Five original questions with explanations
These are original educational questions written to exercise COHC-relevant reasoning. They are not recalled examination items and do not imply access to confidential test content.
Question 1
A result is inconsistent with the patient’s presentation. What should the professional do first?
- A. Report it without review
- B. Check collection or measurement quality and follow escalation policy
- C. Delete the result
- D. Change it to the expected value
Answer and explanation
B. Check collection or measurement quality and follow escalation policy Quality checks and appropriate escalation address possible preanalytic or analytic error.
Question 2
Which action best protects confidentiality?
- A. Discuss cases publicly
- B. Use approved systems and disclose only for authorized purposes
- C. Share credentials
- D. Leave records unattended
Answer and explanation
B. Use approved systems and disclose only for authorized purposes Authorized minimum-necessary access protects private information.
Question 3
Why follow a standardized procedure?
- A. To eliminate judgment
- B. To improve safety, reproducibility, and defensible variation
- C. To avoid documentation
- D. To guarantee every outcome
Answer and explanation
B. To improve safety, reproducibility, and defensible variation Standardization reduces preventable variation while allowing justified clinical or technical judgment.
Question 4
An equipment check fails. What is the best response?
- A. Use the device anyway
- B. Remove it from service and follow corrective-action policy
- C. Change the log
- D. Ignore the failure
Answer and explanation
B. Remove it from service and follow corrective-action policy Failed quality checks require containment and documented corrective action.
Question 5
Which communication is most effective during a handoff?
- A. Vague reassurance
- B. Concise status, relevant findings, actions, and unresolved concerns
- C. Unrelated history
- D. No opportunity for questions
Answer and explanation
B. Concise status, relevant findings, actions, and unresolved concerns Structured handoff communication supports continuity and error prevention.
How to Review
For every miss, identify the domain, explain the controlling principle, and state why each distractor is less appropriate. Then return to the official outline and your content review.