Surveillance & Scanning Techniques Flashcards
6 cards from real ALA practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 6 Surveillance & Scanning Techniques flashcards as text
What is the primary scanning technique recommended by the ALA for lifeguards to monitor a zone?
Answer: 10/20 protection rule
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.
How often should a lifeguard complete a full scan of their assigned zone?
Answer: Every 10 seconds
A lifeguard should complete a full scan of their zone approximately every 10 seconds to maintain effective surveillance.
Which scanning pattern involves moving the eyes in a systematic back-and-forth motion across the pool?
Answer: Serpentine scan
The serpentine scan moves the lifeguard's eyes in a back-and-forth S-shaped pattern to cover the entire zone without missing areas.
What condition can impair a lifeguard's visual surveillance ability by creating glare on the water's surface?
Answer: Sun glare
Sun glare reflecting off the water can significantly reduce a lifeguard's ability to see beneath the surface and spot distressed swimmers.
When a lifeguard rotates to a new station, what is the correct procedure?
Answer: Receive acknowledgment from the incoming lifeguard before leaving
The outgoing lifeguard must receive a clear acknowledgment from the incoming lifeguard to ensure seamless coverage before stepping away.
Which factor most commonly causes lifeguard inattention during surveillance?
Answer: Complacency due to uneventful shifts
Complacency — the false sense of security during a quiet shift — is the leading cause of lapses in lifeguard attention and missed distress signals.