SSI Open Water Diver Exam Questions and Answers All Correct

SSI Open Water Diver Exam Questions and Answers All Correct One atmosphere of pressure is defined as: a) Each 34 feet of depth in freshwater b) each 33 ft. of depth in saltwater c) 1 ata d) All answers are correct. - ANSWER All answers are correct The absolute pressure expressed in terms of atmospheres absolute at 33 ft. in sea water is: a) 1 ata b) 3 ata c) 2 ata d) 4 ata - ANSWER 2 ata Underwater, the bending of light rays causes objects to appear to be: a) closer b) the same as the surface c) At an angle consistent with the bend of the light d) Farther away - ANSWER Closer If you experience pain in your ears during descent: a) Place a finger in the ear canal and gently massage the ear until the pain ceases. b) Continue the descent while gently exhaling into the mask c) Abort the dive d) Stop the descent and ascend until the pain stops. - ANSWER Stop the descent and ascend until the pain stops. Sinus squeeze can be prevented by: a) Not diving with a cold b) Wearing earplugs c) Tilting the divers head back and forth d) The Valsalva technique - ANSWER Not diving with a cold Ear squeeze can be prevented by: a) Rotating the jaw, swallowing or Valsalva b) All answers are correct c) Never diving with a cold d) Relaxing - ANSWER All answers are correct The purpose of equalization is to: a) Remove all fluids from body air spaces b) Introduce additional air into body air spaces in response to increasing external pressure c) Ensure the uneven application of pressure between the water and air space in the body d) Prevent water from entering air spaces in the body - ANSWER Introduce additional air into body air spaces in response to increasing external pressure Describing diving with the acronym SCUBA came from what event? a) The development of air pumps in the 19th century b) The development of the demand regulator in 1943 c) Post-WWII equipment refinements