med gas chapter 3

Category 1 medical-surgical vacuum sources shall, at a minimum, consist of ___ or more vacuum pumps.

• A. 1

• B. 2

• C. 3

• D. 4

Category 1 medical-surgical vacuum sources shall consist of an automatic means to prevent ___ from any on-cycle vacuum pump through any off-cycle vacuum pump

• A. back pressure

• B. backflow

• C. crisscross

• D. vacuum

 Piping between the vacuum pump and the source shutoff valve shall be permitted to be all of the following material except        .

• A. black steel

• B. galvanized steel

• C. stainless steel

• D. plastic (PVC)

 ___ connecters shall connect the vacuum pumps with their intake and outlet piping.

• A. Anti-vibration

• B. Dielectric

• C. Flexible

• D. Insulated

Vacuum receivers shall be capable of withstanding a gauge vacuum of ___ in. of HgV.

• A. 12

• B. 20

• C. 30

• D. 32

. A medical-surgical vacuum receiver shall be made serviceable by   .

• A. a three-valve bypass

• B. any method to ensure the continuation of service

• C. being valved at the end of the main line

• D. shutting down the system

When a medical-surgical vacuum source in operation is incapable of adequately maintaining the required vacuum, additional pumps shall be ___ activated.

• A. automaticall

• B. manually

• C. remotely

• D. systematically  

The vacuum exhaust shall discharge a minimum of __ft. from any door, window, air intake, or place of public assembly. 

• A. 10

• A. 10

• C. 20

• D. 25

A medical-surgical vacuum exhaust shall be turned down and screened. The screening shall be fabricated using ___ material.

• A. any non-corroding

• B. chicken wire

• C. steel mesh

• D. steel wire

. Multiple vacuum pumps shall be permitted to be joined together to one common exhaust provided the common exhaust is sized to ___.

• A. minimize back pressure

• B. peak calculated demand

• C. prevent backflow

• D. the largest pump