A certified assistant is an Instructor with a Teaching status, an Assistant Instructor, or an Active status Divemaster.

When conducting the open water portion of the Skin Diver course, the maximum student to Instructor ratio is:

According to PADI Standards, the following is allowed: an Instructor who is preparing to take 3 Open Water diver students on Dive 3 and 4, and wants to bring a certified assistant to separately conduct the Dive 2 skills for a student who missed Dive 2, and then bring that student over to the rest of the class to perform Dive 3.

One of your Rescue Diver students is not able to read or understand the language of the exam you gave him. In this case you can administer an oral exam for this student.

The PADI Liability Release and Assumption of Risk Agreement need to be filled out by students only if the student has not taken a PADI course before.

With your class of adult students, confined water scuba training can be done at a student to instructor ratio of ______ with a certified assistant needed for each 4 additional student divers.

The minimum age requirement to enroll in the PADI Divemaster course is:

Temporary certification cards must be issued within 7 days to students who have meet all certification requirements.

In your PADI Seal Team program, you want to conduct the AquaMission 4 in a shallow lake so that your students experience some fish life. According to PADI, can you do this?

To save time teaching as an Instructor, you decide to teach the Tired Diver Tow skill in the confined Water Dive 1 of the Open Water Diver course because this would not only save time, but make it a bit easier to do in the Confined Water Dive 1. Does this violate PADI Standards?

At 30 metres/99 feet of salt water a flexible container is filled to only twenty five percent of its capacity. If this container is taken to 10 metres/33 feet, what will happen to the air volume inside?
Select one:

As underwater depth increases, the physiological effect of that gas will:
Select one:

Carotid-sinus reflex is:
Select one:

Typically, if you are flying after completing one dive in a day, you should wait:
Select one:

If a dive has just completed a dive to 20 metres/65 feet for 43 minutes, and he wants to return to that depth for 32 minutes on the second dive. What is the minimum time the diver must wait on the surface before starting the second dive?
Select one:

A diver who has the following multi-level dive profile will end up in pressure group ____ at the end of the third level.

Dive level 1 - 22 m/72 ft for 18 minutes

Dive level 2 - 15 m/49 ft for 22 minutes

Dive level 3 - 11 m/36 ft for 22 minutes

The M-value is:

An object weights 82kg and is in a freshwater lake. It displaces 93 liters of water. How much weight do you need to add to make it 4kg negatively buoyant?

A diver consumes 6 bar a minute at 15 meters in the ocean. What would their consumption be at 22 meters? (round to the nearest whole bar)

The substance contained in red blood cells that aids in the transport of oxygen throughout the system is: