CSC Study Guide 2026
Everything you need to pass the CSC exam in one place: the exam format, every topic to study, real practice questions with explanations, flashcards, and full-length practice tests. Free, no sign-up needed.
📋 CSC Exam Format at a Glance
📚 CSC Topics to Study (69)
✍️ Sample CSC Questions & Answers
1. Which finding during patient assessment would indicate the highest risk for prolonged bleeding after venipuncture?
Warfarin is an anticoagulant that inhibits clotting, significantly prolonging bleeding time after puncture.
2. When a collector suspects a donor is impaired during the collection process, the ethically correct action is to:
The collector's role is to complete the collection and document behavioral observations; administering sobriety tests is outside the collector's scope.
3. Under DOT regulations, if a specimen is reported as 'invalid' by the laboratory, the MRO must order:
When a specimen is reported invalid, the MRO must direct the employer to have the donor submit an immediate recollection under direct observation.
4. In the context of specimen collection ethics, "justice" most closely refers to:
Justice requires that all donors receive the same fair, unbiased treatment regardless of race, gender, religion, or other personal characteristics.
5. Under what circumstance may a collector provide a bluing agent (toilet bluing) to a donor prior to specimen collection?
Toilet bluing agents are required at DOT collection sites to color the toilet water blue, making it obvious if a donor attempts to dilute their specimen with toilet water.
6. Under federal DOT drug testing rules, a collector is prohibited from:
Once a specimen is collected, the collector must maintain continuous control and never leave it unattended to preserve chain of custody.