Hyperbaric Technologist Quiz - Test Your Knowledge 2

40 Questions  I  By Rowicker
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Test you hyperbaric knowledge, and possibly prepare you for the CHT/CHRN exam.

  
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  • 1. 
    Gas molecules move in __________ motion within a closed space:
    • A. 

      Even

    • B. 

      Regulated

    • C. 

      Random

    • D. 

      Circular


  • 2. 
    Which of the gas laws explains why a diver’s tissues take up nitrogen during a dive?
    • A. 

      Henry’s

    • B. 

      LaPlace’s

    • C. 

      Boyle’s

    • D. 

      Charles’

    • E. 

      All of the above


  • 3. 
    The double layer of tissue surrounding each lung, and lining the inside of the chest cavity is called the __________.
    • A. 

      Peritoneum

    • B. 

      Pleura

    • C. 

      Pericardium

    • D. 

      Meninges


  • 4. 
    Hyperbaric oxygen is an important therapeutic modality in the treatment of decompression sickness due to which of the following mechanisms?
    • A. 

      Increased counter-diffusion gradient at the blood-bubble interface.

    • B. 

      Oxygenation of hypoxic tissues.

    • C. 

      Gas bubble reduction.

    • D. 

      All of the above.

    • E. 

      None of the above.


  • 5. 
    The hyperoxygenation effects of hyperbaric oxygen therapy cease immediately upon completion of hyperbaric chamber decompression.
    • A. 

      True

    • B. 

      False


  • 6. 
    Hyperbaric oxygen is an approved therapy for all of the following except:
    • A. 

      Carbon dioxide poisoning

    • B. 

      Clostridial gas gangrene

    • C. 

      Selected non-healing wounds

    • D. 

      Osteoradionecrosis


  • 7. 
    During the latter stages of a hyperbaric oxygen procedure in a multiplace chamber, the inside attendant notices intermittent twitching around the corners of a patient’s mouth. Appropriate immediate action is to:
    • A. 

      decompress the chamber immediately

    • B. 

      Do a neurological examination

    • C. 

      Obtain a set of vital signs

    • D. 

      Insure the oxygen delivery hood/mask is secure on the patient’s face.

    • E. 

      Take the patient off oxygen and advise the hyperbaric medical staff


  • 8. 
    Maintenance of effective mechanical ventilation through an endotracheal tube in the hyperbaric chamber is accomplished easily and effectively by:
    • A. 

      Increasing the amount of air in the cuff

    • B. 

      Replacing the air in the cuff with an equal amount of sterile saline

    • C. 

      Overinflating the cuff with saline

    • D. 

      Connecting the cuff to the wound vac


  • 9. 
    In a multiplace chamber, oxygen may be delivered to a patient via a:
    • A. 

      BIBS mask

    • B. 

      Endotracheal tube

    • C. 

      Hood

    • D. 

      Any of the above


  • 10. 
    NFPA defines an oxygen-filled monoplace chamber as a class ____chamber.
    • A. 

      A

    • B. 

      B

    • C. 

      C


  • 11. 
    Oxygen:
    • A. 

      Is explosive

    • B. 

      Is lighter than air

    • C. 

      Will not burn

    • D. 

      Is necessary for combustion


  • 12. 
    The fire triangle consists of the following:
    • A. 

      Gas, Diesel, Propane

    • B. 

      Rock, Paper, scissors

    • C. 

      Oxygen, heat, fuel

    • D. 

      Oxygen, sunlight, fuel

    • E. 

      Heat, fuel, nitrogen


  • 13. 
    A patient has recently undergone a subclavian IV placement. Before continuing hyperbaric therapy, the following is indicated:
    • A. 

      Chest x-ray to rule out pneumothorax

    • B. 

      Blood cultures

    • C. 

      Discontinue hyperbaric therapy

    • D. 

      IV heparin to prevent clotting during hyperbaric therapy


  • 14. 
    Insulin dependent diabetic patients being treated with hyperbaric oxygen are:
    • A. 

      There is no effect on blood glucose levels.

    • B. 

      Less likely to go into hypoglycemic shock.

    • C. 

      More likely to go into hypoglycemic shock.

    • D. 

      Always having seizures in the chamber.

    • E. 

      More likely to lose weight while in hyperbarics.


  • 15. 
    Proper site preparation for transcutaneous oximetry requires the skin to be shaven, cleaned and degreased.
    • A. 

      True

    • B. 

      False


  • 16. 
    What does TCOM stand for?
    • A. 

      Transcondusive oxygen monitor

    • B. 

      Transindusive oxygen motoring

    • C. 

      Transcutaneous oxygen monitoring


  • 17. 
    Most monoplace chambers are compressed with:
    • A. 

      Room air

    • B. 

      Nitrogen

    • C. 

      Nitrox

    • D. 

      Oxygen

    • E. 

      A combination of all of the above


  • 18. 
    33 Feet of salt water is equivalent to:
    • A. 

      2 ATA

    • B. 

      2.5 ATA

    • C. 

      15 psi

    • D. 

      1.4 bar


  • 19. 
    Henry's Law states:
    • A. 

      In pressure, dissolved gas is directly proportional to the partial pressure of the liquid to which the pressure is exposed.

    • B. 

      In temperature, dissolved pressure is directly proportional to the partial gas of the fluid to which the gas is exposed.

    • C. 

      In gas, dissolved fluid is directly proportional to the partial pressure of the fluid to which the gas is exposed.

    • D. 

      In fluid, dissolved gas is directly proportional to the partial pressure of the gas to which the fluid is exposed.


  • 20. 
    Dalton's Law states:
    • A. 

      Total pressure exerted by a mixture of gases is the sum of the partial pressures that would be exerted by each gas alone as if it alone occupied the total temperature.

    • B. 

      Total pressure exerted by a mixture of gases is the sum of the partial pressures that would be exerted by each gas alone as if it alone occupied the total volume.

    • C. 

      Total pressure exerted by a mixture of gases is the sum of the partial pressures that would be exerted by each gas alone as if it alone occupied the total gas.

    • D. 

      Total pressure exerted by a mixture of gases is the sum of the partial pressures that would be inserted by each gas alone as if it alone occupied the total pressure.


  • 21. 
    Charles' Law states:
    • A. 

      At a constant pressure the volume of a gas of mass is proportional to the absolute depth.

    • B. 

      At a constant volume the temperature of a mass of gas is proportional to the absolute volume.

    • C. 

      At a constant temperature the volume of a mass of gas is proportional to the absolute pressure.

    • D. 

      At a constant pressure the volume of a mass of gas is proportional to the absolute temperature.


  • 22. 
    Boyles' Law states:
    • A. 

      At a given temperature the volume of a given gas of mass will vary inversely with the absolute temperature.

    • B. 

      At a given temperature the volume of a given mass of gas will vary inversely with the absolute pressure.

    • C. 

      At a given time the temperature of a given mass of gas will vary inversely with the absolute pressure.

    • D. 

      At a given temperature the pressure of a given mass of gas will vary inversely with the negative pressure.


  • 23. 
    Pressure is:
    • A. 

      A force acting on a unit of area

    • B. 

      A force attacking a unit of the navy

    • C. 

      A force acting on a unit of temperature

    • D. 

      A force acting on a unit of volume


  • 24. 
    Atmospheric Pressure is:
    • A. 

      Mass extorted by the weight of the moon

    • B. 

      Volume exerted by the weight of the ocean

    • C. 

      Pressure exerted by the negative weight of the atmosphere

    • D. 

      Pressure exerted by the weight of the atmosphere


  • 25. 
    Absolute Pressure is:
    • A. 

      Is the sum of all pressures acting on an object

    • B. 

      Is the volume of all temperatures acting on an object

    • C. 

      Is the time of all pressures acting on an object


  • 26. 
    Compression is:
    • A. 

      That part of a dive that decreases pressure upon a diver

    • B. 

      That part of a dive that increases heat upon a diver

    • C. 

      That part of a dive that increases temperature upon a diver

    • D. 

      That part of a dive that increases pressure upon a diver


  • 27. 
    Gradient is:
    • A. 

      Artwork you can do in Photoshop

    • B. 

      The amount of change of one quantity of substance with respect to another; a gas in volume will diffuse across a gradient, from an area of lower concentration to one of higher concentration.

    • C. 

      The amount of change of one quantity of substance with respect to another; a gas in solution will diffuse across a gradient, from an area of higher concentration to one of less concentration.

    • D. 

      The amount of temperature of one quantity of substance with respect to another; a gas in solution will explode across a gradient, from an area of higher concentration to one of less concentration.


  • 28. 
    What does BIBS stand for?
    • A. 

      Built in bicycle system

    • B. 

      Built in breathing system

    • C. 

      Built in birthing system

    • D. 

      Built out breathing system


  • 29. 
    Boyle's and Charles' laws can be conveniently combined into what is known as the:
    • A. 

      Admirals Gas Law

    • B. 

      General Gas Law

    • C. 

      Major General Gas Law

    • D. 

      Charles General Gas Law


  • 30. 
    Hyperbaric means:
    • A. 

      High pressure

    • B. 

      High altitude

    • C. 

      Higher than the atmosphere

    • D. 

      Higher than the earth


  • 31. 
    A class C chamber by NFPA standards is a:
    • A. 

      Childrens chamber

    • B. 

      Animal chamber

    • C. 

      Parents chamber

    • D. 

      Miltiplace chamber

    • E. 

      Monoplace chamber


  • 32. 
    A fire suppression system consisting of independently supplied and operating handline and deluge type water spray systems shall be installed in all Class ____ chambers.
    • A. 

      A

    • B. 

      B

    • C. 

      C

    • D. 

      D


  • 33. 
    Electrical rating of chamber speakers shall not exceed _____ volts.
    • A. 

      12

    • B. 

      110

    • C. 

      28

    • D. 

      220


  • 34. 
    The resistance between the grounded chamber hull and the electrical ground shall not exceed _____ ohm/s.
    • A. 

      100

    • B. 

      10

    • C. 

      1

    • D. 

      12

    • E. 

      28


  • 35. 
    In a multiplace chamber, audible and visual alarms shall indicate volumetric oxygen concentrations in excess of _____ percent.
    • A. 

      25

    • B. 

      23.45

    • C. 

      23.5

    • D. 

      22.2

    • E. 

      24


  • 36. 
    In Class A and Class B chambers with atmospheres containing more than ________ percent oxygen by volume, electrical grounding of the patient shall be ensured by the provision of a high-impedance conductive pathway in contact with the patient’s skin.
    • A. 

      2.4

    • B. 

      23.5

    • C. 

      25

    • D. 

      100

    • E. 

      75


  • 37. 
    Each hyperbaric facility shall designate an onsite ____________ director to be in charge of all hyperbaric equipment and the operational safety requirements of this chapter.
    • A. 

      Medical

    • B. 

      HBO

    • C. 

      Hyperbaric safety

    • D. 

      Nursing


  • 38. 
    The ___________________  shall have the authority to restrict or remove any potentially hazardous supply or equipment items from the chamber.
    • A. 

      Hyperbaric technician

    • B. 

      Safety Director

    • C. 

      Medical Director

    • D. 

      Nursing Director


  • 39. 
    The __________________ shall ensure that electrical, monitoring, life support, protection, and ventilating arrangements in the hyperbaric chamber are inspected and tested as part of the routine maintenance program of the facility.
    • A. 

      Hyperbaric technician

    • B. 

      Safety Director

    • C. 

      HBO Manager

    • D. 

      Medical Director


  • 40. 
    ______  personnel shall be trained on emergency procedures.
    • A. 

      All

    • B. 

      Only hyperbaric

    • C. 

      Medical

    • D. 

      Administrative


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