CPA Sanitation & Disease Prevention 3

Question 1

What is the primary risk of drinking from an unverified water source at a remote drilling site?

Accepted Answer

Waterborne pathogens causing gastrointestinal illness

Answer

Unverified water sources may contain pathogens such as Giardia, Cryptosporidium, or bacteria that cause severe gastrointestinal illness.

Question 2

Which water treatment method is MOST effective against both bacteria and viruses at a remote petroleum camp?

Accepted Answer

Boiling water for at least 1 minute

Answer

Boiling water for at least 1 minute kills bacteria, viruses, and most parasites, making it the most universally reliable field treatment method.

Question 3

Leptospirosis can be contracted at petroleum field sites primarily through which route?

Accepted Answer

Skin contact with water contaminated by infected animal urine

Answer

Leptospirosis bacteria enter through skin abrasions or mucous membranes following contact with water or soil contaminated by infected animal urine.

Question 4

What is the safest method to dispose of liquid waste containing petroleum byproducts at a field site?

Accepted Answer

Collect in labeled, sealed containers for licensed disposal

Answer

EPA and RCRA regulations require petroleum liquid waste to be collected in approved sealed containers and removed by a licensed hazardous waste disposal service.

Question 5

Which vector is most commonly associated with disease transmission in petroleum field camps located in tropical or subtropical regions?

Accepted Answer

Mosquitoes

Answer

Mosquitoes are the primary disease vectors in tropical and subtropical field environments, transmitting malaria, dengue fever, and Zika virus.

(CPA) Certified Petroleum Apprentice Practice Test

(CPA) Certified Petroleum Apprentice Practice Test

CPA Sanitation & Disease Prevention 3