Diving Skills

Front 1

True or False: If you are neutrally buoyant underwater, you are truly “weightless”

Back 1

False – from a physic point of view you are not weightless, you are however neutrally buoyant

Front 2

You need more _____ when you dive in saltwater than in fresh water.

Back 2

Weight

Front 3

An object that neither floats nor sinks:

Back 3

is neutrally buoyant

Front 4

You perform a buoyancy check by adjusting your weight so you float at eye level with a deflated BCD and holding a normal breath. Then with a single full cylinder:

Back 4

add about 2kg/5lbs

Front 5

Three areas of self-rescue preparation include:

Back 5

physical preparations, mental preparations, and equipment preparations

Front 6

Procedures that help you anticipate and prevent problems include:

Back 6

equipment maintenance and anticipating problems while planning the dive

Front 7

A panicked diver at the surface will usually:

Back 7

struggle to remain in the surface due to an uninflated BCD, having his mask off, and breathing from neither the snorkel nor regulator

Front 8

You can prevent or control most dive problems underwater by:

Back 8

relaxing while you dive, watching your air supply, and diving within your limitations

Front 9

The best all-around option if you run out of air and are close to your buddy is:

Back 9

alternate air source ascent

Front 10

The preferred place to locate an alternate air source is:

Back 10

in the triangle formed by your chin and the corners of your rib cage

Front 11

To make _____, simply swim upward with all you equipment in place, including your regulator. Look up, reach up and come up, swimming at 18meters/60 feet per minutes or slower. Exhale the entire time by making a continuous aaaahhhh sound through the regulator.

Back 11

A controlled emergency swimming ascent

Front 12

True or False: If a diver using enriched air convulses underwater, you should attempt to give the diver regular air from a pony bottle.

Back 12

False – you should treat the situations as an unresponsive diver underwater emergency and bring the diver to the surface

Front 13

In the vast majority of circumstances, entering an overhead environment requires:

Back 13

special equipment, special training, and special procedures

Front 14

In the recommended steps for conduction a primary assessment – ABCD’S, the D stands for:

Back 14

Defibrillation

Front 15

The compression-to-ventilation ratio administering one-rescuer CPR is:

Back 15

30/2

Front 16

Why should you give rescue breaths to an unconscious, non-breathing diver while towing to shore even if no pulse is suspected?

Back 16

While you can’t easily detect a heartbeat in the water, one may be present and if you correct respiratory arrest quickly with rescue breaths, cardiac arrest may not occur

Front 17

The generally preferred method of providing rescue breaths to a non-breathing diver at the surface is:

Back 17

mouth to pocket mask

Front 18

True or False: Providing a breathing patient with 100% oxygen is an important first aid step if you suspect he has decompression illness.

Back 18

True

Front 19

True or False: A recreational diver suspected of having decompression illness can be recompressed by being put back underwater.

Back 19

False

Front 20

True or False: Assume you are involved in the rescue of an unconscious diver. You get the victim to shore and he begins to breathe on his own and shows signs of responsiveness. Several minutes later he appears full conscious and alert. Embarrassed by the incident, se tell you he feels all right and wants to be taken home. You should encourage the diver to go home and rest.

Back 20

False – he should be taken to the hospital

Front 21

True or False: When attempting to control serious bleeding, you should use direct pressure.

Back 21

True

Front 22

Which is not a commonly used method of estimating distance underwater?

Back 22

Wavelengths

Front 23

Pre-dive observations that assist you natural navigation include:

Back 23

sun angle, waves, currents and tidal movements, and offshore objects

Front 24

True or False: The best descent technique for natural navigation is to descend head up with at least one buddy facing the direction of travel.

Back 24

True

Front 25

Which is not a commonly used reference for natural navigation?

Back 25

Navigation markers

Front 26

When using a compass to navigate a triangle pattern with three sides the same length, set your bezel to turn ____ degrees at each.

Back 26

120 degrees

Front 27

A compass should be held:

Back 27

level so the needle doesn’t lock

Front 28

To set a reciprocal heading on a compass means to:

Back 28

to set a heading 180 degrees from the initial heading

Front 29

When using a compass to navigate a square pattern, set your bezel to turn _____ degrees at each corner.

Back 29

90 degrees

Front 30

You should be able to tie a bowline, sheet bend and two half-hitches:

Back 30

with gloves on and your eyes closed

Front 31

True or False: You use a daisy chain knot to attach two pieces of rope together.

Back 31

False – you use a daisy chain to shorten a section of rope

Front 32

List two factors that determine the type of pattern to be used when conducting an underwater search.

Back 32

The environmental conditions present at the search site and the size of the object to be located

Front 33

Which of the five steps of planning a search and recovery dive involves determining an object’s size and weight?

Back 33

Collecting and analyzing information

Front 34

When establishing a search area:

Back 34

use natural boundaries, try to form a rectangle/square, and cover an area the object’s almost certainly in

Front 35

Label the following search patterns:

Back 35

Expanding Square, U-Pattern, and Jackstay

Front 36

True or False: The advantage of the circular search is that you can conduct it without special equipment.

Back 36

False – the circular search requires a rope and its advantage is that it is accurate in a current

Front 37

You shouldn’t use your BCD as a lifting device because:

Back 37

it can cause a hazardous runaway ascent

Front 38

As a guide, a lift bag should be used for recovering objects heavier than about:

Back 38

4kgs/10lbs

Front 39

When a lift bag is ascending, you should position yourself:

Back 39

out from under it

Front 40

True or False: Use your primary regulator to fill a lift bag because you don’t have to unsecure it.

Back 40

False – use your alternate air source for filling lift bags

Front 41

To get your buddies attention underwater you can touch your buddy or:

Back 41

rap on your cylinder

Front 42

The two methods of communicating underwater are:

Back 42

hand signals or write on a slate

Front 43

Identify the following hand signal: Ok?Ok!

Front 44

Identify the following hand signal: Go up or going up

Front 45

Identify the following hand signal: out of air

Front 46

True or False: Aside from a dive light, there’s no difference between nigh diving and day diving equipment.

Back 46

False – you also need easy to find alternate air source, luminous markings on instrumentation, reference lines, slate, signal device and small marker

Front 47

It’s important to carry two underwater lights because:

Back 47

even the best dive lights fail

Front 48

If your primary light fails during a night dive, and you only have one backup light you should:

Back 48

switch to your back up light and abort the dive

Front 49

True or False: The reduced atmospheric pressure at altitude and the lack of test data for diving at altitude requires liberal dive practices at altitude.

Back 49

False – you want conservative dive practices

Front 50

An altitude dive is a dive made at or above an altitude than:

Back 50

300 meters/1000 feet

Front 51

Altitude diving procedures for the RDP may be used at a maximum altitude of:

Back 51

3000meters/10,000 feet

Front 52

True or False: Diving at altitude may affect your buoyancy compared to sea level diving.

Back 52

True

Front 53

True or False: The rate of ascent when diving with the RDP at altitude is 9 meters/30 feet per minute.

Back 53

True

Front 54

True or False: You need more weight when you dive in fresh water relative to salt water.

Back 54

False

Front 55

You know you are properly weighted for diving if you:

Back 55

float at eye level holding a normal breath of air and an empty BCD

Front 56

Three areas of _____ preparation include physical preparation, mental preparation, and equipment preparation.

Back 56

Self-rescue

Front 57

True or False: One procedure to help you anticipate and prevent problems includes not worrying too much about small problems.

Back 57

False

Front 58

What are the most likely problems that can occur underwater?

Back 58

Overexertion, running low on air or regulator free flow

Front 59

This photo shows where the _____ should be located.

Back 59

Alternate air source

Front 60

Imagine you are very low on air and about to run out. What would you do?

Back 60

1. Normal ascent (going up normally) 2. Alternate air source ascent (using your buddy’s alternate air source) 3. Controlled Emergency Swimming Ascent (CESA- swimming up to the surface saying AHHHH) 4. Buoyant emergency ascent (dropping your weight system)

Front 61

When making a Controlled Emergency Swimming Ascent (CESA) the diver should _____ to avoid a lung-expansion injury.

Back 61

Exhale, making a continuous “ahhh” sound

Front 62

When making a Controlled Emergency Swimming Ascent, what should the diver do regarding his ascent rate?

Back 62

Maintain a normal ascent rate (not in excess of 18 meters/60 feet per minute)

Front 63

When assisting a diver with oxygen toxicity that is convulsing underwater, you should:

Back 63

handle as you would for any unresponsive diver underwater

Front 64

The recommended steps for a _____ include the ABCD’S -Airway, Breathing, Compressions, Defibrillation, and Serious Shock, Spinal Injury and Bleeding.

Back 64

Primary assessment

Front 65

The ______ for administering one-rescuer DPR is 30/2.

Back 65

Compression-to-ventilation ratio

Front 66

You should give ______ to an unconscious, non-breathing diver while towing to shore even if no pulse is suspected.

Back 66

Rescue breaths

Front 67

The first aid steps you should take for patient with ______ include protecting the patient form excess heat or cold, arranging for emergency evacuation and medical care, keeping patient lying down and giving close to 100% oxygen as possible.

Back 67

Decompression illness

Front 68

A recreational diver suspected of having decompression illness _______.

Back 68

Should be given as close to 100% concentration of oxygen supplied by non-resuscitator demand valve unit, kept lying down and told to relax, and be protected from heat and cold

Front 69

For a breathing patient of a near-drowning you should:

Back 69

be prepared to turn the patient and keep the airway clear, give emergency oxygen, keep the patient lying down, and treat for shock, contact EMS

Front 70

When applying a dressing and direct pressure to stop bleeding, if blood soaks through the dressing you should:

Back 70

maintain direct pressure and apply additional dressings over the first

Front 71

Measuring line, arm spans, tank pressure and elapsed time are all commonly used methods of ______ underwater?

Back 71

Estimating distance

Front 72

Pre-dive observations that assist your ____ include sun angle, waves, currents and tidal movement, and offshore object.

Back 72

Natural navigation

Front 73

The best descent technique for natural navigation is to descend ______.

Back 73

Head up with at least one buddy facing the direction of travel

Front 74

Six ____ references commonly use to navigate underwater include light and shadows, water movement, noise currents, bottom contours, bottom composition and formations, and plants and animals.

Back 74

Natural

Front 75

When setting a compass heading, the ____points in the direction of travel and you turn the ______ so the index marks are over the ________.

Back 75

Lubber line, bezel, compass needle

Front 76

When using a compass to navigate a triangle pattern with three sides the same length, set your bezel to turn ___ degrees at each corner.

Back 76

120

Front 77

True or False: A factor that determines the type of pattern to be used when conducting an underwater search includes the environmental conditions present at the search site.

Back 77

True

Front 78

Which of the five steps of planning a search and recovery dive involves determining an object’s size and weight?

Back 78

Collecting and analyzing information

Front 79

When establishing a ______ use natural boundaries make it as large as possible, try to form a rectangle/square, and cover an area the ____ objects almost certainly in.

Back 79

search area/lost

Front 80

The pictured search pattern is called a:

Back 80

a jackstay

Front 81

The advantage of the _____ search pattern is that you can conduct it without special equipment.

Back 81

Expanding square and u-shaped

Front 82

You shouldn’t use _____ as a lifting device because it can cause a hazardous runaway ascent.

Back 82

BCD

Front 83

A lift bag ____ for recovering objects heavier than about 4kg/10lbs.

Back 83

should be used

Front 84

True or False: When a lift bag is ascending, you should position yourself immediately under it to watch the objects ascent.

Back 84

False

Front 85

Generally, you use your ____ to fill a lift bag.

Back 85

Alternate air source

Front 86

A clenched fist brought toward the chest is a signal for:

Back 86

“I am low on air”

Front 87

Your buddy gives you a “cut throat” sign followed by pointing to his mouth. What action should you take in this circumstance?

Back 87

Immediately provide your alternate air source to him

Front 88

If your ____ fails during a night dive, you should switch to your ___ light and ____ the dive.

Back 88

Primary light/backup/abort

Front 89

The knot illustration is a:

Back 89

sheet bend

Front 90

Most dive table, including the Recreational Dive Planner, were not designed for use above an altitude of ______.

Back 90

300meters/1000feet