After that put gloves on or you run the risk of frostbite. Its near the middle. If the child names some unessential part that is off the page, score as correct and move on. If the child throws up, you're on your own. Scoring Record 1 point for each correct response.
Most children give a verbal response for the missing part.
Sometimes, however, a child will merely point. Rapping the knuckles with a wooden ruler has been found to be particularly effective with this behavior. Typically a quick, direct assault on the second knuckle will cause the behavior to cease. If after a number of attempts this proves unsuccessful, gently turn the ruler sideways so that the sharp metal rule will make contact with the child's skin. One or two of these well placed 'contingency rewards' will surely suffice.