PADI Divemaster questions with correct answers

What are the signs and symptoms of hypothermia? CORRECT ANSWER 1. Uncontrollable shivering. 2. Loss of feeling and dexterity 3. In severe cases, shivering stops and impaired mental processes result What are the characteristics of the jack stay search pattern? CORRECT ANSWER 1. Best choice to find a small object in a large area 2. Reasonably accommodates bottom obstacles 3. Primary drawback is that it's time consuming What are the characteristics of the circular or semicircular search pattern? CORRECT ANSWER 1. Effective for small objects over an obstructed bottom 2. Requires a line and two divers What are the characteristics of a U-pattern search? CORRECT ANSWER 1. Used to search large area for medium to large objects 2. Usually requires a compass