EXAM 2024 NEWEST ACTUAL EXAM COMPLETE
ACCURATE EXAM QUESTIONS WITH DETAILED VERIFIED
ANSWERS (100% CORRECT ANSWERS) /ALREADY
GRADED A+
A diver on the surface waving his/her hand overhead and thrashing violently
indicates:
- distress
- danger
- Out of air
- Euphoria - ANSWER: distress
Atmospheric pressure at sea level is:
- 2.0bar/ 29.4 pounds per square inch/ 2.0 atmospheres absolute
- 1.0 bar/ 14.7 pounds per square inch/ 1.0 atmosphere absolute
-3.0 bar/ 44.1 pounds per square inch/ 3.0 atmospheres absolute
- 4.0 bar/ 58.8 pounds per square inch/ 4.0 atmospheres absolute - ANSWER: 2.0bar/
29.4 pounds per square inch/ 2.0 atmospheres absolute
To prevent air embolism, a diver should:
- breathe 100 percent oxygen during scuba dives
- decompress correctly
- breathe compressed air only
- breathe normally at all times during ascent and never hold his/her breath -
ANSWER: breathe normally at all times during ascent and never hold his/her breath
A diver's body heat is lost through conduction (primarily) at a rate of approximately
_________ times more rapid than in air.
- 10
- 25
- 30
- 15 - ANSWER: 25
Sea water weighs _____ kg per liter or _____ pounds per cubic foot.
- 6.67/ 14.7
- 0.202/ 0.445
- 1.0/ 62.4
- 1.025/ 64.0 - ANSWER: 1.025/ 64.0
A diver's inability to equalize his/her ears during ascent could cause:
- sinusitis
- a block or reverse block
- internal ear squeeze
- external ear squeeze - ANSWER: a block or reverse block
, Breathing dry air, a scuba diver tends to become dehydrated while diving due to:
- excessive perspiration
- moisturizing dry inhaled air
- saltwater absorbing moisture from the skin
- the extreme amount of energy expanded during dive - ANSWER: moisturizing dry
inhaled air
A sealed balloon filled withe air that has a volume of 6 cubic inches at 99 feet will
have a volume of _____ cubic inches at 33 feet.
-3
-9
- 12
- 24 - ANSWER: 12
When rinsing a regulator it is best to:
- leave the regulator attached to the tank or have the dust cap in place
- depress the purge button several times
- use ionized water
- have the first stage lower than the second stage - ANSWER: leave the regulator
attached to the tank or have the dust cap in place
It is recommended that a dive team diving from an anchored boat have:
- matching gear
- high anxiety and small physical size
- insensibility to pain
- a trail line 30 meters long with a buoy at the end - ANSWER: a trail line 30 meters
long with a buoy at the end
The following rate of ascent for diving is acceptable when using the NAUI dive tables:
- 90 feet per minute
- 30 feet per minute
- 70 feet per minute
- 60 feet per minute - ANSWER: 30 feet per minute
Appropriate first aid measures for an unconscious scuba diver should include
consideration of:
- drowning, secondary drowning, and pulmonary edema
- decompression sickness, with central nervous system involvement
- air embolism, decompression sickness, or head injury
- drowning, air embolism, and decompression sickness - ANSWER: drowning, air
embolism, and decompression sickness
You should have your regulator services by a certified repair technician:
- once every 5 years
- at least once per year
- once, you immediately after you buy it