The nurse is the first responder after a child is pulled unresponsive from the pool. There is no pulse and no breathing. The nurse sends someone for the AED, instructs another person to call 911, and begins chest compressions. By looking transversely at the chest, select the depth to which the nurse compresses the chest, if each line represents an inch of compression. 

The child had a cast applied the previous day for a broken tibia. The mother returns the child to the provider to report swelling and significant pain. Upon assessment, the nurse notes pale, cool toes with a capillary refill time of 6 seconds. The child denies feeling the nurse's assessment but screams in pain when the leg is moved. The nurse anticipates which treatment for this patient? 

The nurse is supervising the care of a patient with a stage II pressure injury on the coccyx. Which intervention by the student nurse prompts the nurse to intervene with further education?