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SSI OPEN WATER DIVER LATEST
FINAL EXAM REVIEW QUESTIONS
WITH VERIFIED ANSWERS
question-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 question-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. question-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 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
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 question-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 d) The invention of the diving helmet in circa 1800 - answer-The development of the demand regulator in 1943 question-The most efficient breathing pattern for scuba diving is:
a) A deep balanced inhalation followed by a long balanced exhalation without any pause between inhale and exhale b) Rapid inhalation and exhalation cycles c) Long slow inhalation and faster exhalation d) Short shallow breaths - answer-A deep balanced inhalation followed by a long balanced question-Which of the following Total Diving System subsystems best describes the SCUBA unit? a) The information system b) The snorkeling system c) The buoyancy system d) The delivery system - answer-The delivery system question-Assuming a consistent air consumption rate, diving at a pressure of 4 ata will use __ as much air as diving at 2 ata.
b) Brand, availability, and thickness c) Cost, quality, and appearance d) Thickness, fit, and seam integrity - answer-Thickness, fit, and seam integrity question-The three Basic Rules of Scuba stated in the proper order of importance are: a) Regain control, respond, and react b) Breathe continuously, ascend slowly and maintain control, and never dive alone or beyond your level of training. c) Breathe continuously, use compressed air only, and the 3-R rule d) Maintain buoyancy, breathe continuously, and ascend slowly - answer-Breathe continuously, ascend slowly and maintain control, and never dive alone or beyond your level of training. question-The delivery system components are: a) A regulator and an alternate air source b) A regulator, buoyancy compensator device, and a high pressure air cylinder
c) A regulator, alternate air source, and a high pressure scuba cylinder d) a regulator and high pressure air cylinder - answer-A regulator, alternate air source, and a high pressure scuba cylinder question-The Buoyancy Control System components are: a) Buoyancy compensator, exposure suit, and inflation device b) Buoyancy compensator and inflation device c) Regulator, inflation device, and weight belt or BC weight pockets d) Buoyancy compensator, inflation device, and weight belt or BC weight pockets - answer- Buoyancy compensator, inflation device, and weight belt or BC weight pockets question-If a flexible air-filled container at 100 feet of sea water has a volume of 10 cu ft, what would be the volume if it were transported to the surface? a) 30 cu ft b) 20 cu ft
c) Stabilize in nearest medical facility and transport to decompression chamber for recompression d) Surgery to repair the ruptured lung - answer-Stabilize in nearest medical facility and transport to decompression chamber for recompression question-The major, and most common, symptom of decompression sickness is: a) Respiratory failure b) Joint pain c) Puffiness in the neck and shoulder areas d) A feeling of euphoria - answer-Joint pain question-The transfer of oxygen and nitrogen into the bloodstream occurs through the walls of the: a) Blood vessels b) Bronchiole trees
c) Arteries d) Alveoli - answer-Alveoli question-The best prevention for decompression sickness is to: a) Dive with a buddy that has a computer b) Plan your dive and dive your plan c) Never hold your breath d) Never dive below 100 ft. - answer-Plan your dive and dive your plan question-The proper first aid for Arterial Gas embolism, Subcutaneous emphysema, Pneumothorax, and Mediastinal Emphysema is: a) All answers are correct b) Watch vital signs, treat for shock and stand by to administer cardio pulmonary resuscitation (if qualified) c) Seek proper medical aid (a recompression chamber) as quickly as possible
a) The amount of nitrogen dissolved in our blood stream and tissues at the beginning of the first dive of the day b) The amount of excessive nitrogen dissolved in our blood stream and tissues after a dive c) 80% of the gas we breathe d) The amount of excessive nitrogen dissolved in our blood stream and tissues at the beginning of the initial ascent to the surface - answer-The amount of excessive nitrogen dissolved in our blood stream and tissues after a dive question-The term surface interval is described as: a) The amount of time spent on the surface of the water between dives, excluding time out of the water b) The amount of nitrogen expelled while on the surface c) The amount of time the diver stays out of the water or on the surface between dives d) Travel times to and from the dive site - answer-The amount of time the diver stays out of the water or on the surface between dives question-To use a compass to navigate to a sighted object:
a) Point the magnetic needle toward the object and swim b) Point the witness marks towards the object and swim c) Point the lubber line toward the object and swim d) Point the compass towards the object, rotate the bezel until the witness marks are over the magnetic needle, and follow the lubber line. - answer-Point the compass towards the object, rotate the bezel until the witness marks are over the magnetic needle, and follow the lubber line. question-The recommended maximum ascent rate is: a) 25 ft. / min. b) 40 ft. / min. c) 30 ft. / min. d) 60 ft. / min. - answer-30 ft. / min. question-The reciprocal azimuth for an initial azimuth of 60º is:
c) Any dive started more than 10 minutes after a previous scuba dive d) A second or subsequent dive at the same location - answer-Any dive started more than 10 minutes and less than 12 hours after a previous scuba dive question-When diving in Marine Protected Areas like Marine Parks, divers should: a) Follow the same diving practices as outside the parks b) Only participate in guided dives c) Only collect marine life that is not protected by federal law d) Respect and follow the local Marine Park regulations - answer-Respect and follow the local Marine Park regulations question-The most common injuries occur when: a) A diver steps on a Stingray b) A shark is encountered
c) An animal is surprised by a diver's actions and instinctively protects itself d) A diver is entering or exiting the water - answer-An animal is surprised by a diver's actions and instinctively protects itself question-Two examples of soft corals are: a) All answers are correct b) Elkhorn and Staghorn c) Sea Fan and Brain d) Black and Red Coral - answer-Black and Red Coral question-If a diver is injured by harmful sea life, it is usually because of: a) The diver's ignorance b) All answers are correct c) The diver's negligence
question-The ocean is an important source of life because: a) It provides humans with rain water to drink b) It provides an endless supply of seafood c) It covers so much of Earth's surface d) It is home to many of the first links in Earth's food chain - answer-It is home to many of the first links in Earth's food chain question-Examples of freshwater marine life include: a) Bass b) Crayfish c) All answers are correct d) Eels - answer-All answers are correct question-Panic can be prevented by:
a) Honestly evaluating your dive limitations b) All answers are correct c) Taking Specialty Training d) Properly maintaining your Total Diving System - answer-All answers are correct question-To achieve the SSI Specialty Diver rating, a diver is required to: a) Complete any 2 Specialty courses b) Complete 1 specialty course and log 6 dives beyond Open Water c) Log a total of 15 dives d) Complete any 2 Specialty courses AND log a total of 12 dives - answer-Complete any 2 Specialty courses AND log a total of 12 dives question-In an out-of-air emergency, your buddy is close enough, you should: a) All answers are correct
