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SSI Open Water Diver Final Version C Newest 2025 Actual Exam Questions And Correct Detail, Exams of Nursing

SSI Open Water Diver Final Version C Newest 2025 Actual Exam Questions And Correct Detailed Answers (verified Answers) ||Already Graded A+||Brand New Version!!

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2024/2025

Available from 07/12/2025

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SSI Open Water Diver Final Version C Newest 2025
Actual Exam Questions And Correct Detailed Answers
(verified Answers) ||Already Graded A+||Brand New
Version!!
Body heat is lost at a rate of ___ than air. :- answers - :25-30 times faster
Proper equalization techniques must be learned in order to:
-A: prevent sinus squeeze
-B: prevent ear pain
-C: prevent squeeze injuries
-D: all answers are correct :- answers - :D
Salt water weighs ___ pounds per cubic foot and freshwater weighs ___ pounds per cubic foot.
:- answers - :64/62.5
Underwater, the bending of light rays causes objects to appear to be: :- answers - :Closer
The purpose of equalization is to:
-A: ensure the uneven application of pressure between the water and air spaces in the body
-B: prevent water from entering air spaces in the body
-C: introduce additional air into body air spaces in response to increasing external pressure
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Download SSI Open Water Diver Final Version C Newest 2025 Actual Exam Questions And Correct Detail and more Exams Nursing in PDF only on Docsity!

SSI Open Water Diver Final Version C Newest 2025

Actual Exam Questions And Correct Detailed Answers

(verified Answers) ||Already Graded A+||Brand New

Version!!

Body heat is lost at a rate of ___ than air. :- answers - : 25 - 30 times faster Proper equalization techniques must be learned in order to:

  • A: prevent sinus squeeze
  • B: prevent ear pain
  • C: prevent squeeze injuries
  • D: all answers are correct :- answers - : D Salt water weighs ___ pounds per cubic foot and freshwater weighs ___ pounds per cubic foot. :- answers - : 64/62. Underwater, the bending of light rays causes objects to appear to be: :- answers - : Closer The purpose of equalization is to:
  • A: ensure the uneven application of pressure between the water and air spaces in the body
  • B: prevent water from entering air spaces in the body
  • C: introduce additional air into body air spaces in response to increasing external pressure
  • D: remove all fluids from body air spaces :- answers - : C One atmosphere of pressure is defined as
  • A: 1 ata
  • B: each 34ft of depth in freshwater
  • C: each 33ft of depth in saltwater
  • D: all answers are correct :- answers - : D The three primary features to look for in a quality Exposure System are: :- answers - : Thickness, fit, seam integrity An object immersed in water will be buoyed upward by a force ______ to the weight of the water it displaces. :- answers - : equal A high pressure scuba cylinder should be stored:
  • A: secured with a minimum of 500 to 750 psi
  • B: lying flat with no air
  • C: with the valve slightly open to allow air expansion
  • D: secured with the valve open :- answers - : A The most efficient breathing pattern for scuba diving is: :- answers - : Deep inhale/exhale One of the primary factors contributing to heat loss for divers is:

Under the SSI Equipment Service Program, your Delivery System should be serviced and performance checked:

  • A: every 3 years
  • B: every 5 years
  • C: every month
  • D: every year :- answers - : D Assuming a consistent air consumption rate, diving at a pressure of 4 ata will use __ as much air as diving at 2 ata. :- answers - : 2 times During normal diving activities, divers should never exceed an ascent rate of __ feet per minute. :- answers - : 30 A scuba tank for recreational diving should be filled with:
  • A: A mixture of helium and oxygen
  • B: Pure, filtered compressed air or Nitrox
  • C: A mixture of hydrogen and oxygen
  • D: pure oxygen :- answers - : B The rate at which the body becomes saturated with nitrogen:
  • A: will vary based on factors, such as depth and blood supply to a particular area of the body
  • B: is always the same rate
  • C: is slower at the beginning of the process and faster at the end of the process
  • D: is faster t the beginning of the process and slower at the end of the process :- answers - : A

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: 1:
  • C: 5:
  • D: 1.58:1 :- answers - : D 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: 20 cu ft
  • B: 15 cu ft
  • C: 40 cu ft
  • D: 30 cu ft :- answers - : C The transfer of oxygen and nitrogen into the bloodstream occurs through the walls of the:
  • A: Arteries
  • B: Bronchiole trees
  • C: Alveoli
  • D: Blood vessels :- answers - : C Which of the following would be inappropriate treatment for a diver evidencing symptoms of Decompression Sickness?
  • B: 1.5/.8 ata
  • C: .79/.21 ata
  • D: .8/.4 ata :- answers - : C Gas can enter the bloodstream and cause serious damage to the lungs or even death by:
  • A: ascending to fast
  • B: holding your breath underwater
  • C: diving with respiratory congestion
  • D: all answers are correct :- answers - : D The term No-decompression Limit is defined as: Maximum time at _____ without having to perform a ______ decompression stop during the _____ :- answers - : depth, mandatory, ascent To use a compass to navigate to a sighted object: Point the compass toward the object, rotate the ____ until the ____ marks are over the magnetic needle, and follow the ____ line. :- answers - : bezel, witness, lubber A dive computer keeps track of a diver's nitrogen absorption levels so that the diver can:
  • A: Avoid an Arterial gas Embolism
  • B: Stay within the no decompression limits on each dive
  • C: dive deeper than 100 feet
  • D: Make decompression dives :- answers - : B You should perform a safety stop at 15 feet for 3 to 5 minutes on every dive. True False :- answers - : True What is a surface interval? The amount of ___ the diver stays ____ of the water or on the ____ _____ dives :- answers - : time, out, surface between Residual nitrogen is defined as: :- answers - : The amount of excessive nitrogen dissolved in our blood stream and tissues after a dive Two examples of hard coral are:
  • A: fire and star
  • B: elkhorn and staghorn
  • C: sea fan and brain
  • D: all answers are correct :- answers - : B More than ___ of Earth's oxygen is produced by marine plants. :- answers - : 85% A dependent action to take in response to an out of air emergency is:
  • D: sharing air using primary second stage :- answers - : A To achieve the SSI Master Diver rating, a diver is required to: :- answers - : Be certified as an SSI Advanced Open Water Diver, complete the SSI Stress and Rescue Specialty Course, and log a total of 50 dives Which of the statements concerning sound transmission underwater is incorrect?
  • A: Sound will travel farther underwater then in air
  • B: Divers find it difficult to locate the direction of a sound producing source
  • C: Divers find it easy to talk to each other directly through water
  • D: Sound travels four times faster underwater than in air :- answers - : C The absolute pressure expressed in terms of atmospheres absolute at 33 feet in sea water is:
  • A: 2 ata
  • B:1 ata
  • C: 4 ata
  • D: 3 ata :- answers - : A The condition in which certain colors are diminished as depth increases is called:
  • A: Refraction
  • B: Turbidity
  • C: Diffusion
  • D: Absorption :- answers - : D

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 :- answers - : C Gauge pressure is defined as:
  • A: Hydrostatic pressure minus 1 ata
  • B: The pressure at the surface
  • C: The depth reading on a gauge
  • D: Absolute pressure minus 1 ata :- answers - : D Sinus squeeze can be prevented by:
  • A: Valsalva technique
  • B: Wearing earplugs
  • C: Tilting the divers head back and forth
  • D: Not diving with a cold :- answers - : D The event that led to the use of the acronym SCUBA to describe diving was: Development of what and when? :- answers - : Demand regulator in 1943 Ear squeeze can be prevented by