RMGA Medical Gas Cylinder Management & Storage 2 — Questions and Answers
Question 1: What is the primary purpose of a valve protection cap on a medical gas cylinder?
- To indicate the cylinder is full and ready for use
- To prevent accidental valve opening and valve damage during transport and storage (Correct answer)
- To protect the cylinder from ambient temperature fluctuations
- To create a gas-tight seal in the event of a valve leak
Correct answer: To prevent accidental valve opening and valve damage during transport and storage
Valve protection caps guard the cylinder valve against accidental activation and physical damage during handling, storage, and transport.
Question 2: What is the correct method for securing freestanding medical gas cylinders to prevent tipping?
- Lay cylinders flat on the floor when not in use
- Secure with a chain, strap, or bracket to a wall or approved cylinder cart (Correct answer)
- Group cylinders together so they support each other
- Place them in padded storage containers
Correct answer: Secure with a chain, strap, or bracket to a wall or approved cylinder cart
Cylinders must be restrained with chains, straps, or approved brackets attached to a fixed surface or cart to prevent tipping and potential valve damage.
Question 3: What is the maximum storage temperature allowed for medical gas cylinders per NFPA 99?
- 70°F (21°C)
- 100°F (38°C)
- 125°F (52°C) (Correct answer)
- 150°F (66°C)
Correct answer: 125°F (52°C)
NFPA 99 specifies that medical gas cylinders must not be exposed to temperatures exceeding 125°F (52°C) to prevent dangerous pressure increases.
Question 4: What is the proper immediate action when a medical gas cylinder valve is discovered to be leaking?
- Tighten the valve packing nut with an adjustable wrench
- Apply thread-seal tape to the leaking connection
- Move the cylinder to an outdoor or well-ventilated area and notify the supplier (Correct answer)
- Tag it and store with other cylinders awaiting return pickup
Correct answer: Move the cylinder to an outdoor or well-ventilated area and notify the supplier
A leaking cylinder must be moved to an open, well-ventilated area away from ignition sources and personnel, and the supplier must be notified immediately.
Question 5: Which inventory management system ensures that older medical gas cylinders are used before newer ones?
- LIFO (last-in, first-out)
- FIFO (first-in, first-out) (Correct answer)
- Batch rotation
- Random selection
Correct answer: FIFO (first-in, first-out)
FIFO (first-in, first-out) rotation ensures older cylinders are used first, preventing cylinders from sitting unused past retest or expiration dates.
Question 6: Is it acceptable to use oil or grease to lubricate the valve of a medical oxygen cylinder?
- Yes, if a food-grade lubricant is used
- Yes, when the valve is difficult to open manually
- Yes, only for nitrogen or helium cylinders
- No — oil and grease can ignite violently in the presence of high-pressure oxygen (Correct answer)
Correct answer: No — oil and grease can ignite violently in the presence of high-pressure oxygen
Hydrocarbons such as oil and grease can ignite spontaneously when exposed to high-pressure oxygen, creating a serious fire and explosion hazard.
Question 7: What information is essential to document when receiving a medical gas cylinder shipment?
- Driver name and delivery time only
- Invoice number and total cost only
- Cylinder identification numbers, gas type, quantity, and physical condition upon receipt (Correct answer)
- Expected depletion date based on current facility usage rates
Correct answer: Cylinder identification numbers, gas type, quantity, and physical condition upon receipt
Complete receipt documentation — including cylinder IDs, gas type, quantity, and condition — is required for traceability, regulatory compliance, and quality control.
RMGA Medical Gas Cylinder Management & Storage 2
What is the primary purpose of a valve protection cap on a medical gas cylinder?