Water Safety and First Aid
Generic study courses for SCUBA theory, lifeguarding and CPR, AED and first aid, written only from free U.S. Government publications. Not from any private course or its test.
CPR, AED & First Aid
Study the basics of lay-rescuer CPR, AED use, choking relief and first aid.
Lifeguard Knowledge
Study questions on pool lifeguarding, from surveillance and rescue to emergency plans, first aid, water quality and open-water safety.
SCUBA Diving Theory
Study the theory behind open-water SCUBA diving: pressure and the gas laws, how diving affects the body, equipment, dive planning, emergencies and marine hazards.
Questions
Common Questions
Which courses are in this track?
CPR, AED & First Aid (146 questions); Lifeguard Knowledge (175 questions); SCUBA Diving Theory (222 questions).
How are the practice tests scored?
CPR, AED & First Aid: 25 questions, no official test. Lifeguard Knowledge: 50 questions, no official test. SCUBA Diving Theory: 50 questions, no official test.
Is it free?
Part of every course is free: a slice of every topic and one short practice test a day. Full access is $10 a month for one course, or $20 a month for every course on the site.