ALA Surveillance & Scanning Techniques 1

Question 1

What is the primary scanning technique recommended by the ALA for lifeguards to monitor a zone?

Accepted Answer

10/20 protection rule

Answer

The ALA recommends the 10/20 protection rule, meaning a lifeguard can see a distressed swimmer within 10 seconds and reach them within 20 seconds.

Question 2

How often should a lifeguard complete a full scan of their assigned zone?

Accepted Answer

Every 10 seconds

Answer

A lifeguard should complete a full scan of their zone approximately every 10 seconds to maintain effective surveillance.

Question 3

Which scanning pattern involves moving the eyes in a systematic back-and-forth motion across the pool?

Accepted Answer

Serpentine scan

Answer

The serpentine scan moves the lifeguard's eyes in a back-and-forth S-shaped pattern to cover the entire zone without missing areas.

Question 4

What condition can impair a lifeguard's visual surveillance ability by creating glare on the water's surface?

Accepted Answer

Sun glare

Answer

Sun glare reflecting off the water can significantly reduce a lifeguard's ability to see beneath the surface and spot distressed swimmers.

Question 5

When a lifeguard rotates to a new station, what is the correct procedure?

Accepted Answer

Receive acknowledgment from the incoming lifeguard before leaving

Answer

The outgoing lifeguard must receive a clear acknowledgment from the incoming lifeguard to ensure seamless coverage before stepping away.

ALA - American Lifeguard Association Certification Practice Test