USA Hockey rules questions with correct answers

Boarding signal Correct Answer-Striking the closed fist of the hand into the open palm of the other hand. Body Checking signal Correct Answer-The palm of the non-whistle hand is brought across the body and placed upon the opposite shoulder. Butt-Ending signal Correct Answer-Moving the forearm, fist closed, under the forearm of the other hand held palm down. Charging signal Correct Answer-Rotating clenched fists around one another in front of the chest. Checking From Behind signal Correct Answer-Arm placed behind the back, elbow bent, forearm parallel to the ice surface. Cross-Checking signal Correct Answer-A forward motion with both fists clenched, extending from the chest. Delayed Calling of Penalty signal Correct Answer-The non-whistle hand is extended straight above the head. Slow (Delayed) Whistle signal Correct Answer-The non-whistle hand is extended straight above the head. If play returns to Neutral Zone without stoppage, the arm is drawn down the instant the puck crosses the line, or as soon as the offending team clears the zone.