The Main Goal of a Pulse-Demand Oxygen-Delivery System Is Which

question 64

Multiple Choice

The main goal of a pulse-demand oxygen-delivery system is which of the following?
1) To provide oxygen only during expiration
2) To provide oxygen only during inspiration
3) To deliver oxygen to the patient only after a sufficient inspiratory effort is made and the demand valve opens
4) To deliver oxygen at a preset flow rate and close during inspiration to conserve oxygen

• A) 1 and 3
• B) 2 and 4
• C) 2 and 3
• D) 1 and 4

---

Definitions:

Steel-Toed Sneakers

Shoes designed with a protective steel cap in the toe area to protect feet from injuries.

Steel-Toed Boots

Protective footwear with a reinforced toe area to protect feet from heavy objects, common in industrial and construction settings.

Safety Shoes

Footwear designed to protect the feet from a wide range of workplace hazards, including impact, compression, and puncture.

ILSAC

The International Lubricant Standardization and Approval Committee, representing both domestic and Japanese auto manufacturers, which creates standards and ratings for oils used in the automotive industry.