When assessing a 14-year-old male patient that has been involved in a bicycle accident, you notice that he has a small amount of blood coming from his left forearm. This observation is known as which of the following?

During an inferior alveolar block, a patient makes a sudden movement in response to needle contact with bone. The needle bends and breaks off at the hub. The broken shank of the needle is visible. Which of the following is a recommended first response?

A) Gently remove the needle with gloved fingers B) Contact an oral surgeon and transport the patient to the oral surgeon's office C) Ask the patient to keep the mouth open and attempt to remove the needle with a hemostat D) Take a radiograph to determine if the needle remains in contact with bone. If not, remove the needle with a sterile hemostat

If an ECG machine is standardized, 1 millivolt of electrical input should cause the stylus to move 10 small squares or 2 large squares on the paper

Indicate whether the statement is true or false