








Study with the several resources on Docsity
Earn points by helping other students or get them with a premium plan
Prepare for your exams
Study with the several resources on Docsity
Earn points to download
Earn points by helping other students or get them with a premium plan
Community
Ask the community for help and clear up your study doubts
Discover the best universities in your country according to Docsity users
Free resources
Download our free guides on studying techniques, anxiety management strategies, and thesis advice from Docsity tutors
Prepare for your certification with this verified 2025/2026 practice set for the SSI Open Water Exam. Includes 100% correct answers to high-yield safety questions like why earplugs should never be worn while diving, plus essential concepts in pressure regulation and underwater physiology. Perfect for future divers and marine safety professionals. Português: Questões práticas com respostas certas para exame de mergulho autônomo da SSI. Español: Preguntas de práctica con respuestas correctas para el examen de buceo SSI. Italiano: Domande pratiche con risposte corrette per l'esame subacqueo SSI. Tags: SSI scuba exam, earplugs diving danger, dive safety rules, open water certification, UCSB, verified 2025
Typology: Exams
1 / 14
This page cannot be seen from the preview
Don't miss anything!
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