Trump in love

The optimal method of knowing that you have air in an emergency is to:
Carry a contingency supply.

If during a dive you and your buddy become separated, you should:
Spend no more than one minute looking then surface.

You should dive _____ your buddy.
Side-by-side with

A diver on the surface waving his/her hand overhead and thrashing violently indicates:

The NAUI Diving Hand Signals are standard in the United States diving community and are usually recognized in other countries as well.

You may need to don or remove your equipment in the water if:
The boat you are using is too small to allow equipment handling, An item of gear needs adjusted, If your scuba unit gets caught in fishing line.

When donning your cylinder at the surface and donning your cylinder underwater, the primary difference is that you want to be:
Positively buoyant at the surface and negatively buoyant at the bottom.

Examples of natural navigation aids divers may use during dives include:
Ripple marks in the sand, Sun brightness/available light, Bottom contours.

A reciprocal course is made when your outbound course is a straight line and halfway through your dive you make a _____ turn.

Because of refraction, objects underwater appear _________ and _________ when the diver is looking through his/her mask.
Larger; closer

A diver’s body heat is lost through conduction (primarily) at a rate of approximately _________ times more rapidly than in air.

Sound travels about _________ times faster in water than in air.

The first color lost in the spectrum upon descent during a dive is _____.

If you are diving wearing an exposure suit, you should _____ to safely control buoyancy as you descend.
add air to your buoyancy

Your body weight does not affect your buoyancy.

If you are weighted to be neutral in salt water and you dive in fresh water with the same amount of weight, you will float.

During descent, a diver’s buoyancy tends to _____.

Atmospheric pressure at sea level is:
14.7 pounds per square inch/1.0 atmosphere absolute.

A sealed balloon filled with air that has a volume of 6 cubic inches at 99 feet will have a volume of _____ cubic inches at 33 feet.

Sea water weighs _____ pounds per cubic foot.

Which gas law best explains diving medical problems such as ear and sinus squeeze?

What type of pressure is defined as gauge (water) pressure plus atmospheric (air) pressure?

The absolute pressure in the ocean at 53 feet (16 meters) is:
2.6 atmosphere absolute

If a diver’s surface air consumption rate is 25 psi per minute, what would be the consumption rate at 66 feet of seawater?
75psi per minute

A depth that is equivalent to one atmosphere in the ocean is equal to _________ feet in sea water and _________ feet in fresh water.

Two methods of measuring air pressure are BAR or:
pounds per square inch

Pressure in the middle ear is equalized through a part of the body called the:
Eustachian tube.

A diver’s inability to equalize his/her ears during ascent could cause:
A block or reverse block.

A diver with blood and mucous in his/her mask upon surfacing will most likely have:
Sinus squeeze.

The three general types of injury resulting from lung overexpansion are air embolism, pneumothorax and _____.
Tissue emphysema

An irregular breathing pattern (skip breathing) while diving will possibly cause:
Carbon dioxide excess

Generally, for maximum efficiency, your breathing should be:
Slightly slower and deeper than you normally breathe.

To prevent air embolism, a diver should:
Breathe normally at all times during ascent and never hold his/her breath.

When the pressure of nitrogen is balanced between the air and your body, you are at a state of _____.

Symptoms of Nitrogen Narcosis are similar to:
Alcoholic intoxication

If your dive buddy complains to you about having aching pain in his/her shoulder one hour after the dive, you might suspect:
Decompression sickness

A symptom of carbon monoxide poisoning is often:

If it is suspected that the air in a tank is contaminated due to its smell or taste:
Do not use the tank and immediately call the dive shop that filled the tank so they can investigate the problem.

Breathing dry air, a scuba diver tends to become dehydrated while diving due to:
Moisturizing dry inhaled air.

You can prevent a mask from fogging under water by lowering the _____ of the water.
Surface tension

If the temperature surrounding a rigid container full of gas increases, the pressure of the gas increases.

The amount of water vapor in the air is known as:

If pressure is lowered too quickly, excess nitrogen absorbed by a diver can come out of solution within the tissues and cause:
Decompression sickness

Residual ______ reduces your time limits for any given depth on your next dive.

For optimum no-decompression bottom times, plan repetitive dives so that each successive dive is to _________ depth.
a shallower

The minimum surface interval recommended between two dives is _________ minutes.

According to the NAUI dive tables dives to less than 40 feet:
Are considered as 40 foot dives.

A diver with a group letter of “F” making a dive to 60 ft has a residual nitrogen time of:
36 minutes

The maximum dive time for a dive to 60 ft is _________ minutes.

According to NAUI, a repetitive dive is defined as more than one dive within a period of _________ hours.

The minimum surface interval required to avoid stage decompression after a dive to 88 ft for 18 minutes, followed by a dive to 78 ft for 23 minutes is:
3 hr, 58 minutes

Your first dive is to 60 ft for 50 minutes. You spend one hour and 40 minutes on the surface, what is your adjusted maximum dive time at 60 ft?
19 minutes

It is advisable that a sport/recreational diver:
Avoid the decompression dives.

Your first dive of the day is planned for a depth of 18 meters (60 feet), begins at 9:30 a.m., and lasts for 23 minutes. The actual depth of the dive is 16.7 meters (55 feet). You make a precautionary decompression stop at 5 meters (15 feet) for 3 minutes, you surface at 9:56 a.m. and remain out of the water until 10:40 a.m. Your next dive is to a depth of 15 meters (50 feet) for 23 minutes. You make a precautionary decompression stop at 5 meters (15 feet) for 3 minutes. You surface at 11:06 a.m. and have a SIT of 1 hour and 50 minutes. At 12:56 p.m., you begin your third dive to a planned depth of 12 meters (40 feet), but you end up reaching a depth of 13.7 meters (45 feet) with an ADT of 30 minutes. You make a precautionary decompression stop at 5 meters (15 feet) for 3 minutes and you surface from the third dive at 1:29 p.m. What is your final Letter Group?

Your first dive of the day begins at 8:00 a.m. and is to a depth of 18 meters (60 feet) for 31 minutes. You make a precautionary decompression stop at 5 meters (15 feet) for 3 minutes. The second dive begins at 10:05 a.m., is to a depth of 16.8 meters (55 feet), and lasts for 24 minutes. You make a precautionary decompression stop at 5 meters (15 feet) for 3 minutes and surface at 10:32 a.m. Your third dive, which begins at 12:36 p.m., is to 15 meters (50 feet) for 31 minutes. You make a precautionary decompression stop at 5 meters (15 feet) for 3 minutes. What time do you surface from this dive and what is your Letter Group?
1:10, I

Your first dive is to 18 meters (60 feet) for 30 minutes followed by a 30-minute SIT. The second dive is to 15 meters (50 feet) for 30 minutes. What is your Letter Group after the second dive?

Your first dive is to 17 meters (56 feet) for 31 minutes and it is followed by a 1 hour SIT. The second dive is to 16 meters (52.5 feet). What is the AMDT for the second dive? What is your Letter Group if you reach the AMDT?
19, I

After the second dive in problem 4, how long a SIT is required to make a 25-minute dive to 15 meters (50 feet) without exceeding the AMDT? What is your Letter Group following the third dive if your ADT is 25 minutes?
1:30, J

As a NAUI-trained diver, you should ascend at a rate of 9 meters (30 feet) per minute when you use a dive computer regardless of the manufacturer’s instructions.

If you are making repetitive dives, you are limited to a depth of ______.
30 Meters

It is recommended that you not consume alcohol within _____ hour(s) of a planned dive.

Immediately upon reaching the dive site, you should:
Observe conditions.

When planning and executing a dive, it is important for diving buddies to:
Agree on a dive leader.

You should have a contingency plan for:
Each step of your dive plan.

On a NAUI Logbook page, the _____ box on the upper right side is used to keep track of your cumulative bottom time.

Which of the following limits should be established prior to every scuba dive?
Maximum bottom time, maximum depth, minimum air pressure

Which of the following will help to prevent seasickness?
Settle yourself in a midway point of the boat

A diver experiencing panic should:
Stop, rest and breathe slowly and deeply until you recover.

Continued loss of body heat in cold water will produce:
All of the above.

To relieve a cramp in the calf:
Bend the toe of the fin toward the knee to stretch the muscle.

Which of the following most readily provides assistance to a diver?
The diving buddy.

Most diving problems occur _____.
At the surface.

Whenever possible, it is best to talk a distressed diver through solving their own minor difficulties.

To render first aid for venomous fish wounds:
Flush the wound to clean, soak in hot water, obtain medical attention.

The first aid for sea stings, such as those from jellyfish is:
The application of a stinging neutralizing agent.

Appropriate first aid measures for air embolism and DCS includes:
Lie victim down, maintain circulation and respiration, administer O2.

Four main actions you should consider in giving first aid for diving accidents are:
Maintain basic life support, call for help, treat for shock, deliver 100% oxygen.

______ is a worldwide emergency network of hyperbaric chambers and diving physicians.
Divers Alert Network (DAN)

If you receive your entry level training in the surf off California and then move to Boston, the best way of becoming familiar with the diving procedures specific to Boston and the east coast area is to:
Contact an active, preferably NAUI, instructor in Boston and dive with him or her.

Which of the following is an example of an overhead environment?

Which of the following is an example of a man-made site?

Which of the following is an example of a natural site?
Coral reef

Which of the following is the point at which a sudden change in water temperature occurs?
A thermocline.

A thermocline is a thin zone of radical change in water _____.

Which of the following affect visibility?
Bottom Composition, Season,Water movement

_____ is the underwater movement of water caused by wave action that you will experience when diving in areas close to shore.

The predictable daily rise and fall of the ocean at a single point is called:

Most surface waves are caused by:

It is recommended that a dive team diving from an anchored boat have:
a trail line 30 meters long with a buoy at the end.

It is recommended that a dive team diving from an anchored boat begin their dive:
against the prevailing current.

Currents which suddenly appear and disappear are:

Almost all injuries from aquatic life are caused by _____ action on the part of the animal.

If you are careless about your buoyancy control, you can break off pieces of coral or rub off its protective coating.

A _____ plan is a written plan of your destination and your expected time of return that is left with someone on shore so they can summon help if you do not return within a reasonable time.

when selecting a face mask, the most important things to consider are proper _____ & _____ fit and seal snorkels over 15 inches in length are not recommended primarily because they have too much _______________ dead air space WE WILL …

Dr. Growe is reading about a research in which psychologists investigated the effect of group size on the conformity of group members. Dr. Growe is most likely reading the Journal of _____ Psychology. Social Which branch of psychology explores the …

When selecting a face mask, the most important thing to consider is: Proper seal and fit. Snorkels over 15 inches in length are not reccomended primarily because: They have too much dead air space. WE WILL WRITE A CUSTOM ESSAY …

When selecting a face mask the most important things to consider our proper ____ and _____ Fit and comfort Snorkels over 15 inches in length are not recommended primarily because_______ They have too much dead air space WE WILL WRITE …

David from ajethno:

Hi there, would you like to get such a paper? How about receiving a customized one? Check it out