PADI Open Water Chapter#2 Knowledge Exam Questions with Complete Solutions

PADI Open Water Chapter#2 Knowledge Exam Questions with Complete Solutions Check one. "Underwater, objects appear __________, making them seem __________ and/or __________." a. minimized, smaller, further away. b. magnified, larger, closer. - Answer: b. magnified, larger, closer. Check one. Since it travels about four times faster in water than in air, you will have difficulty determining the origin of __________ underwater. a. Light b. Sound - Answer: b. Sound Fill in the blank with the appropriate word: faster or slower. "Water conducts heat away from your body __________ than air does." - Answer: "Water conducts heat away from your body faster than air does." Describe what you should do if you begin shivering continuously underwater. - Answer: Get out of the water, dry off and seek warmth. Of the procedures you can follow to compensate for the increased resistance of water while diving, check those listed here: a. Streamline yourself and your equipment. b. Avoid rapid, jerky movements. c. Move slowly and steadily d. Pace yourself. - Answer: a. Streamline yourself and your equipment, b. Avoid rapid, jerky movements, c. Move slowly and steadily, d. Pace yourself. Check the statement that best describes the proper breathing pattern for diving. a. Consistently rapid and shallow. b. Consistently slow and deep. - Answer: b. Consistently slow and deep. It is easy to prevent overexertion while diving. Check the proper preventative measures listed here. a. Move slowly and avoid extended strenuous activity. b. Use your arms rather than your legs for propulsion underwater. c. Know your physical limits. - Answer: a. Move slowly and avoid extended strenuous activity, c. Know your physical limits. Explain what to do if you become overexerted while diving. a. Under water: b. At the surface: - Answer: a. Under water: Stop all activity, breathe deeply and rest. Hold onto an object for support if possible. b. At the surface: Establish buoyancy and stop moving. Rest and catch your breath. Once recovered move at slower pace. Check each statement that describes a technique used for airway control: a. Use your tongue as a splash guard by placing the tip on the roof of your mouth. b. Inhale slowly. c. Avoid rapid, jerky movement. d. Inhale cautiously. - Answer: a. Use your tongue as a splash guard by placing the tip on the roof of your mouth, b. Inhale slowly, d. Inhale cautiously. Explain why it is important not to wear a tight-fitting hood. - Answer: A hood that's too tight can cause changes in the heart rate due to compression of the arteries in the neck. Check the appropriate answer. The most important feature of any weight system is: a. The size and shape of the weights. b. The ease of adjustment. c. A quick-release mechanism. - Answer: c. A quick-release mechanism. Check one. An alternate air source should be ________________, so it can be quickly and easily identified by a diver needing the device. a. Tucked under the weight belt. b. Conspicuously marked. - Answer: b. Conspicuously marked. Describe where you should attach an alternate air source to your body. - Answer: In the triangular area between your mouth and the lower corners of your rib cage. True or False. A dive knife is used as a tool (to measure, pry, dig, cut and pound), but is not intended to be, nor should be, used as a weapon. - Answer: True Identify the meaning of the standard hand signal illustrated here. a. OK? OK b. Distress, help c. Out-of-air - Answer: b. Distress, help Explain how to check for proper weighting. - Answer: 1. Enter the water with estimated weight. 2. Deflate BCD, you should float at eye level. 3. Exhale, if you slowly descend you're good. List and describe the steps of the predive safety check and explain when you should use this check. - Answer: Begin - B - BCD With - W - Weight Review - R - Release And - A - Air Friend - F - Final OK