Knowledge Flashcards

What is the recommended free chlorine level range for a public swimming pool according to standard guidelines?

Answer: 1.0–3.0 mg/L

Public pools should maintain free chlorine between 1.0 and 3.0 mg/L to effectively sanitize without causing irritation.

A lifeguard witnesses a patron slip and hit their head on the pool deck and become unconscious. What is the FIRST action to take?

Answer: Call for assistance and activate the emergency action plan

Activating the EAP ensures additional help is summoned before individual interventions begin.

Which term describes the point at which a swimmer loses the ability to keep their airway above the water surface?

Answer: Aquatic distress

Aquatic distress is the phase where a swimmer struggles to maintain their airway and needs immediate assistance.

When conducting a head-spine-victim rescue in the water, how many rescuers are ideally needed to perform a safe log roll onto a backboard?

Answer: 3

Three rescuers are the recommended minimum — one stabilizing the head, one rolling the body, and one managing the backboard.

What does a pool's 'turnover rate' refer to?

Answer: The time taken for the entire pool volume to pass through the filtration system once

Turnover rate is the time required to filter the total pool volume once, indicating filtration efficiency.

A passive drowning victim is found face-down and motionless at the bottom of a 1.8 m pool. The FIRST priority upon reaching them is to:

Answer: Establish an airway and provide rescue breaths in the water if trained

Providing rescue breaths in the water minimizes time without oxygen while the victim is being brought to the surface.

Under duty-of-care principles, a lifeguard's legal obligation extends to:

Answer: All persons within the designated supervision zone regardless of swimming ability

Duty of care applies to every person within the lifeguard's assigned area of supervision, without exception.