The MRD for 4% articaine for a child weighing 58 pounds is ________ mg

You are responding to a call for a 4-year-old child hit by a car. When assessing this child, which of the following injury patterns would you recognize as typical based on the child's age and mechanism of injury?

A) Deformed femurs, bruises to the chest and abdomen B) Left arm and leg deformity, head injury C) Bilateral ankle deformity, contusions to the back D) Head injury with deformity to both upper arms

The valve seen on sectional images separating the right atrium from the right ventricle is theA) pulmonic semilunar

B) tricuspid. C) aortic semilunar. D) mitral. E) thebesian.