Ssi Owd Chapter 3

Front 1

Ear equalization or "clearing" should be _____ ______ upon decending and continued as you dive deeper, and should never be done _____.

Back 1

started immediately, forcefully

Front 2

If your sinuses are blocked, it is best not to _____ until the problem is _____, and they are open again.

Back 2

dive, resolved

Front 3

A common reaction to anxiety or fear is a _____, _____ breathing pattern.

Back 3

rapid, shallow

Front 4

unless a diver _____. _____, and gets _____ under control, stress and even panick may occur.

Back 4

stops, thinks, breathing

Front 5

To prevent carbon dioxide excess, avoid _____ and dive with high quality, well maintained _____.

Back 5

overexhertion, equipment

Front 6

Always breathe _____, never hold your breath; even if the _____ is out of your mouth while underwater, develop a habit of _____ a steady stream of bubbles

Back 6

normally, regulator, exhaling

Front 7

Proper weighting allows a diver to get under water and begin a descent. With proper weighting achieved, adjustment of _____ under water is achieved by _____ air to or _____ air from the BC.

Back 7

bouyancy, adding, removing

Front 8

Once neutrally bouyant at any depth, if you move into _____ water, the air in your BC will expand, and you will need to _____ air from the BC until you become suspended

Back 8

shallower, release

Front 9

Hearing is affected (underwater) because soundwaves travel _____ times faster in water than in air.

Back 9

4

Front 10

A sound all divers need to know is the clanking of a diver's tool or other device against a _____ _____. This is a signal to get another diver's attention.

Back 10

scuba cylinder

Front 11

The body loses heat faster in water than it does in air - _____ times faster.

Back 11

25

Front 12

When body temperature is allowed to drop to 95 F (35C)m _____ sets in.

Back 12

hypothermia

Front 13

Failure to keep an open airway to the lungs upon ascent can result in one of four _____ injuries

Back 13

overexpansion

Front 14

During the process of releasing nitrogen from the tissues, it is important that the diver come up _____ enough to allow the _____ to stay in solution in the tissues and blood while it is being released.

Back 14

slowly, nitrogen

Front 15

The proper rate of ascent is _____ feet per minute.

Back 15

30

Front 16

Write all contact information in your _____ _____ _____.

Back 16

SSI Total Divelog

Front 17

While it is important to know emergency precautions, _____ _____ divers who use good _____ should never need to use them, or make it necessary for others to use them.

Back 17

properly trained, judgement

Front 18

After your ascent, when you reach the surface, inflate your _____, do a weight system check, keep your _____ in place, and either keep the _____ in place, or switch to snorkel breathing.

Back 18

BC, mask, regulator

Front 19

An emergency _____ ascent is essentially the same as a normal ascent except that you are prepared to ditch your weight system for immediate positive bouyancy if needed.

Back 19

swimming

Front 20

If you are confused or panicked, and their is doubt about which ascent to use, ditch the weights and do the _____ ascent.

Back 20

bouyant