You see a 30-month-old named Brian for a well-child visit. His mother reports the following development:

· Physical: Walks independently, runs, able to climb stairs alternating feet, makes a tower of nine cubes, and is able to button his pants.

· Social: Follows one-step commands, uses one-word sentences, and has a vocabulary of approximately six words. He is resistant to nighttime and feeding routines, he has marked temper tantrums, and Mom states he does not calm when she tries to comfort him.

1. Explanation of any developmental red flags that presented in the case study you selected based on the stages of normal physical, social, and cognitive development for infants, toddlers, and preschoolers.

2. Explain how you differentiated between normal and abnormal growth and development for this patient and identify which standardized screening tools, clinical guidelines, and management strategies you might use to assess and manage this patient and why.