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SSI Open Water Exam Practice Questions
with 100% Correct Answers | Latest Version
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Earplugs A-Aid equalization of the middle of the ear B- Protect against cold C-Should never be worn while diving D-Protect ears from squeeze - ✔✔C The first symptom of a sinus squeeze is usually: A- a dull pain deep within the head B- a sharp pain at the base of the neck C- a crushing pain high in the chest D- a sharp pain above the eyes - ✔✔D One atmosphere of pressure is defined as: A-Each 34 ft of depth in freshwater B-Each 33 ft of depth in seawater C-1 ata D- all answers are correct - ✔✔D If you experience pain in your ears during descent: A-Stop descent and ascend unitl pain stops B-Continue descent while gently exhaling into mask C-Place finger in ear canal and gently massage ear until pain ceases D-Abort dive - ✔✔A
Underwater, the bending of light rays causes objects to appear to be: A-Same as surface B-Further away C-At an angle consistent with bend of light D-Closer - ✔✔D The condition in which certain colors are diminished as depth increases is called: A-Refraction B-Diffusion C-Turbidity D-Absorption - ✔✔D Describing diving with the acronym SCUBA came from what event? A-Development of the demand regulator in 1943 B- Development of air pumps in 19th century C-Invention of diving helmet in 1800 D-Post WWII equipment refinements - ✔✔A Which of the statements concerning sound transmission underwater is correct? A-Sound travels four times faster underwater than in air B-Sound will travel farther underwater than in air C-All answers are correct D-Divers find it difficult to locate the direction of a sound producing source - ✔✔C Ear squeeze can be prevented by: A-Never diving with a cold B-All answers are correct C-Relaxing
A-4 times B-2 times C-8 times D-5 times - ✔✔B Which of the following Total Diving System subsystems best describes the SCUBA unit? A-The Information System B-The Buoyancy System C-The Delivery System D-The Snorkeling System - ✔✔C During normal diving activities, divers should never exceed an ascent rate of __ feet per minute. A- 30 B- 18 C- 20 D- 9 - ✔✔A A scuba cylinder must be hydrostatically tested: A-Within fixed intervals set by local law B-Never, no test is required C-After 100 dives D-A minimum of once a year Save - ✔✔A Overexpansion injuries can be prevented by: A-Never holding your breath while diving B-Dive with a properly maintained high-quality Total Diving System C-Learning the correct breathing patterns reinforced in classroom, pool, and open water training
D-All answers are correct - ✔✔D The best prevention for decompression sickness is to: A-Never dive below 100 feet B-Plan your dive and dive your plan C-Never hold your breath D-Dive with a buddy that has a computer - ✔✔B Diving at altitude or flying after diving: A-Allows the diver to spend a greater amount of time at depth without exceeding the no-decompression limits B-Requires special diving computer functions, altitude tables and/or refraining from flying from at least 24 hours after the completion of a dive C-Allows the diver to ignore the no-decompression limits D-Does not require any special considerations for the diver Save - ✔✔B The proper first aid for Arterial Gas embolism, Subcutaneous emphysema, Pneumothorax, and Mediastinal Emphysema is: A-Seek proper medical aid (a recompression chamber) as quickly as possible B-All answers are correct C_Watch Vital signs, treat for shock and stand by to administer cardio-pulmonary resuscitation (if qualified) C-Administer oxygen (if qualified) - ✔✔B
B-Subcutaneous emphysema C-Pneumothorax D-Arterial Gas Embolism - ✔✔B Other symptoms of decompression sickness include: A-Itchy skin B-Numbness C-All answers are correct D-Paralysis and loss of manual dexterity - ✔✔C The rate at which the body becomes saturated with nitrogen: A_Is slower at the beginning of the process and faster at the end of the process B-Is faster at the beginning of the process and slower at the end of the process C-Will vary based on factors such as depth and blood supply to a particular area of the body D-Is always the same rate - ✔✔C Haldanes theory that the human body can withstand a 2:1 pressure difference was revised by D Workman to a nitrogen ratio of: A-3: B-5: C-1.58 : 1 D-1:1 - ✔✔C In air at 1 ata, the partial pressure of nitrogen is___, oxygen is_____. A-1.5/0.8 ata B-0.79/0.21 ata
C-0.21/0.79 ata D-0.8/0.4 ata - ✔✔B Decompression sickness occurs when: A_A diver stays at depth too long and surfaces too quickly B-All answers are correct C-The nitrogen tissue tolerance gradient is exceeded D-Excess nitrogen bubbles out of solution into the blood and tissues - ✔✔B The term Surface Interval is defined as: A-The amount of nitrogen expelled while on the surface B-The amount of time spent on the surface of the water between dives (excludes time out of the water) C-Travel time to and from the dive site D-The amount of time the diver stays out of the water or on the surface between dives - ✔✔D The reciprocal azimuth for an initial azimuth of 60º is: A-180° B-120° C-90° D-240° - ✔✔D Which of the following steps should be taken in the selection of a dive site: A-Honest evaluation of your diving abilities and conditioning levels, as well as those of your buddy B-Purpose of the dive C-Degree of difficulty presented by the site D-All answers are correct - ✔✔D To use a compass to navigate to a sighted object:
D-Enter the water one at a time - ✔✔B The term repetitive dive is defined as: A-Any dive started more than 10 minutes and less than 12 hours after a previous scuba dive B-Any dive started more than 10 minutes after a previous scuba dive C-A second or subsequent dive at the same location D-Any dive started less than 10 minutes after a previous scuba dive Save - ✔✔A Two examples of soft corals are: A-All answers are correct B-Elkhorn and Staghorn C-Black and Red Coral D-Sea Fan and Brain - ✔✔C The ocean is an important source of life because: A-It provides an endless supply of seafood B-It covers so much of Earth's surface C-It provides humans with rain water to drink D-It is home to many of the first links in Earth's food chain - ✔✔D Sharks respond aggressively to: A-The scent of blood in the water B-Divers descending and ascending C-Large fish around a diver D-Divers in the water - ✔✔A Divers should avoid contact with all corals because:
A-Contact can be harmful to the diver B-All answers are correct C-Touching corals can damage your equipment D-Contact can damage the coral Save - ✔✔B Divers can help protect the marine environment by: A-All answers are correct B-Always being a responsible diver C-Maintaining neutral buoyancy at all times D-Keep equipment secured and no dangling - ✔✔A Water comprises about ___ of the Earth's surface. A-72% B-85% C-66% D-50% - ✔✔A To achieve the SSI Specialty Diver rating, a diver is required to: A-Log a total of 15 dives B-Complete 1 Specialty Course and log 6 dives beyond Open Water C-Complete any 2 Speciality courses AND Log a total of 12 dives D-Complete any 2 Specialty Courses - ✔✔C An independent action to take in response to an out of air emergency is:
D-An emergency Buoyant Ascent Save - ✔✔C In an out-of-air emergency, your buddy is close enough, you should: A-Perform a Controlled Swimming Ascent B-Swim to your buddy, give the out-of-air signal, and share air C-Perform an Emergency Buoyant Ascent D-All answers are correct - ✔✔B The SSI Responsible Diver Code states that you should: A-All answers are correct B-Be environmentally responsible on every dive C-Dive within the limits of your training and ability D-Accept responsibility for your own well-being on every dive - ✔✔A The first thing you should do if you observe signs of panic in a diver at the surface is: A-Call for help B-Completely fill your BC and instruct the panicked diver to establish positive buoyancy C-Drop your weight belt D-Swim to the panicked diver and try to drop the diver's weight belt - ✔✔B To achieve the SSI Master Diver rating, a diver is required to: A-Be certified as an SSI Advanced Open Water Diver, complete the SSI Stress and Rescue Specialty Course, and log a total of 50 dives B-Be certified as an SSI Advanced Open Water Diver, complete any 2 additional Specialty Courses, and log a total of 50 dives C-Be certified as an SSI Advanced Open Water Diver and log a total of 50 dives
D-Be certified as an SSI Advanced Open Water Diver and complete any 2 additional Specialty Courses - ✔✔A The most important rule when assisting a panicked diver is: Do whatever it takes to help the diver survive Always maintain positive buoyancy Never needlessly endanger yourself Always talk in a calm voice Save - ✔✔C
