Hyperbaric Technologist Quiz - Test Your Knowledge 2

40 Questions | By Rowicker | Updated: Mar 21, 2022 | Attempts: 7483

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Hyperbaric Technologist Quiz - Test Your Knowledge 2 - Quiz

Test you hyperbaric knowledge, and possibly prepare you for the CHT/CHRN exam.

Questions and Answers

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