CHT Hyperbaric Equipment and Operations Flashcards
6 cards from real Certified Hyperbaric Technologist Test practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 6 CHT Hyperbaric Equipment and Operations flashcards as text
Which type of hyperbaric chamber allows multiple patients to be treated at once?
Answer: Multiplace chamber
A multiplace hyperbaric chamber is specifically designed to accommodate several patients simultaneously, along with medical staff. These chambers are typically pressurized with compressed air, and patients breathe 100% oxygen through individual hoods or masks. This setup allows for continuous monitoring and direct intervention by attendants inside the chamber, enhancing patient care and safety.
What is the primary purpose of a pressure relief valve in a hyperbaric system?
Answer: To prevent over-pressurization
A pressure relief valve is a critical safety device in any hyperbaric system. Its primary purpose is to automatically release excess pressure from the chamber if it exceeds a predetermined safe limit. This mechanism prevents structural damage to the chamber and protects patients and staff from the severe dangers of uncontrolled pressure increases, ensuring operational safety.
Which type of breathing system is commonly used in multiplace hyperbaric chambers?
Answer: Demand oxygen system
In multiplace hyperbaric chambers, patients typically breathe 100% oxygen through a demand oxygen system, which includes a mask or hood connected to an oxygen supply. This system delivers oxygen only when the patient inhales, conserving oxygen and preventing the entire chamber from being filled with pure oxygen. This design is crucial for both oxygen efficiency and fire safety within the chamber.
Which safety feature is required for all hyperbaric chambers?
Answer: Fire suppression system
Due to the high oxygen concentration and increased pressure within hyperbaric chambers, there is an elevated risk of fire. Therefore, a robust fire suppression system, often involving a water deluge or other non-flammable agents, is a mandatory safety feature. This system is essential to quickly extinguish any potential fires and protect the lives of patients and staff.
What is the role of the hyperbaric technician during pressurization?
Answer: Monitors chamber pressure and patient safety
During pressurization, the hyperbaric technician is responsible for meticulously monitoring the chamber's pressure gauges to ensure a controlled and safe ascent to the prescribed treatment depth. Simultaneously, they observe patients for any signs of discomfort, barotrauma, or adverse reactions, ready to intervene or adjust the treatment as needed. This vigilance is crucial for patient safety and effective therapy.
What is the typical material used in the construction of monoplace hyperbaric chambers?
Answer: Acrylic or steel
Monoplace hyperbaric chambers are typically constructed from either a clear acrylic cylinder or a robust steel shell with viewports. Acrylic provides excellent visibility and is strong enough for the pressures used, while steel offers superior durability and pressure resistance, especially for higher pressure applications. Both materials ensure the structural integrity and safety of the chamber.
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