PCS Cheat Sheet 2026

The 30 highest-yield PCS facts, distilled from real exam questions. Print it, save it as a PDF, or study it here — free, no sign-up.

1. By what age should a typically developing child use at least 50 words and begin combining two words? → 24 months
2. At what age does the anterior fontanelle (soft spot) typically close in a healthy infant? → 12–18 months
3. At what age do most typically developing children begin to walk independently? → 12–15 months
4. Which area of the brain is most responsible for regulating balance and coordination in children? → Cerebellum
5. What quality assurance measure supports core concepts and principles? → Regular self-assessment, peer review, and adherence to established standards
6. In children diagnosed with ADHD, which brain region is most frequently implicated in executive function deficits? → Prefrontal cortex
7. When measuring limb length discrepancy in a pediatric patient, which method provides the most accurate measurement using a tape measure? → Anterior superior iliac spine (ASIS) to medial malleolus
8. What intervention is often used to reduce spasticity in children with neuromuscular conditions? → Botulinum toxin (Botox) injections.
9. Which condition involves excessive, uncontrolled electrical activity in the brain and often requires careful management during pediatric rehabilitation? → Epilepsy/seizure disorder
10. In a child diagnosed with Legg-Calvé-Perthes disease, which stage is characterized by revascularization and new bone formation in the femoral head? → Reossification stage
11. When assessing an infant's muscle tone, increased resistance to passive movement throughout the range of motion is termed: → Hypertonia
12. What is the foundational principle of continuing education requirements in the Pediatric Certified Specialist field? → Maintaining competence, integrity, and service to stakeholders
13. How should challenges in safety and compliance be addressed? → Apply systematic problem-solving, seek expert guidance when needed, and document decisions
14. What is the foundational principle of industry best practices in the Pediatric Certified Specialist field? → Maintaining competence, integrity, and service to stakeholders
15. What quality assurance measure supports professional standards and ethics? → Regular self-assessment, peer review, and adherence to established standards
16. What ethical standard governs core concepts and principles practice? → Adherence to the profession's code of ethics and applicable laws and regulations
17. What quality assurance measure supports continuing education requirements? → Regular self-assessment, peer review, and adherence to established standards
18. A 4-month-old infant who does not demonstrate social smiling may indicate concern for which of the following? → Developmental delay or autism spectrum disorder
19. How should challenges in core concepts and principles be addressed? → Apply systematic problem-solving, seek expert guidance when needed, and document decisions
20. Which sensory processing pattern is characterized by a child who seeks intense sensory input and appears underresponsive to stimulation? → Sensory under-responsivity / sensory seeking
21. A pediatric specialist notes a child has poor postural control and hypotonia. Which system is most likely affected? → Vestibular and proprioceptive systems
22. How should challenges in continuing education requirements be addressed? → Apply systematic problem-solving, seek expert guidance when needed, and document decisions
23. Which assessment tool is commonly used by pediatric specialists to measure functional motor abilities in children with neurological conditions? → GMFM (Gross Motor Function Measure)
24. A pediatric specialist working with a child with hydrocephalus should monitor for signs of shunt malfunction, which include: → Headache, vomiting, irritability, and bulging fontanelle in infants
25. What quality assurance measure supports communication and documentation? → Regular self-assessment, peer review, and adherence to established standards
26. A premature infant born at 28 weeks gestation is at highest risk for which neurological complication? → Intraventricular hemorrhage (IVH)
27. What is the foundational principle of applied methods and techniques in the Pediatric Certified Specialist field? → Maintaining competence, integrity, and service to stakeholders
28. Which type of cerebral palsy is characterized by increased muscle tone and is the most common form? → Spastic CP
29. How should professionals apply safety and compliance in daily practice? → Consistently integrate best practices into every aspect of professional work
30. The Gross Motor Function Classification System (GMFCS) classifies children across how many levels of motor function? → 5