CANS Study Guide 2026
Everything you need to pass the CANS 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.
📋 CANS Exam Format at a Glance
📚 CANS Topics to Study (37)
✍️ Sample CANS Questions & Answers
1. Which of the following is a key principle of the 'time-out' procedure before an aesthetic intervention, adapted from surgical safety checklists?
A pre-procedure time-out confirms correct patient, correct procedure, and correct site to prevent wrong-patient or wrong-site errors, adapting the surgical safety checklist to aesthetics.
2. What is the main function of subcutaneous fat in the face?
Subcutaneous fat provides cushioning, insulation, and contributes to facial contour and volume.
3. The term 'dual relationship' in aesthetic nursing ethics refers to:
Dual relationships occur when a professional relationship overlaps with a personal one, creating potential conflicts of interest that can compromise objectivity.
4. Which action BEST demonstrates professional advocacy for a patient in the aesthetic setting?
Respecting and supporting a patient's autonomous decision to decline or postpone treatment after informed consent is the hallmark of professional patient advocacy.
5. Alpha-hydroxy acids (AHAs) such as glycolic acid exert their primary exfoliating effect by:
AHAs weaken the ionic bonds holding corneocytes together at the stratum corneum, accelerating natural desquamation and increasing cellular turnover without penetrating to the dermis.
6. Which document serves as the written agreement between a medical spa and its collaborating or supervising physician outlining roles, responsibilities, and oversight terms?
A collaborative or medical director agreement formalizes the supervisory relationship, defines delegated procedures, and outlines physician oversight responsibilities required by state law.