Pregunta 1
Pregunta
What type of endotracheal tube combines strength with pliability and is resistant to collapse and less irritating to tissues than other types of tubes?
Respuesta
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Red rubber
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Polyvinyl chloride
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Silicone
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Anode
Pregunta 2
Pregunta
What purpose does the Murphy’s eye serve on an endotracheal tube?
Pregunta 3
Pregunta
If an endotracheal tube is longer than the thoracic inlet, there is:
Respuesta
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an increased risk of mechanical dead space.
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a risk of fire due to the higher oxygen content.
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a risk of only one lung being infused with oxygen and anesthetic gas.
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a risk of increased amount of mucus in the tube.
Pregunta 4
Pregunta
Which device is used to maintain an open airway in an anesthetized patient by connecting with the opening of the epiglottis without invading the tracheal lumen?
Pregunta 5
Pregunta
The scavenger system of an anesthetic machine removes which gas from the patient?
Pregunta 6
Pregunta
Which portion of the anesthetic machine converts the liquid inhalant anesthetic to a usable form for the patient?
Respuesta
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Compressed gas supply
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Breathing circuit
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Scavenging system
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Vaporizer
Pregunta 7
Pregunta
The compressed air service delivers three green cylinders to your practice. What type of gas is in these tanks?
Pregunta 8
Pregunta
An H-tank of oxygen has a psi measurement of 1000. How long can this tank continue to be used at an oxygen flow rate of 1 L/min?
Pregunta 9
Pregunta
At what pressure level should the tank be replaced?
Respuesta
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1000 psi
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700 psi
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500 psi
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200 psi
Pregunta 10
Pregunta
Which of the following devices ensures that the pressure of the gas is at a constant safe operating pressure regardless of the pressure in the tank?
Respuesta
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Pressure-reducing valve
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Tank pressure gauge
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Vaporizer
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Line pressure gauge
Pregunta 11
Pregunta
Which of the following devices reduces the pressure of the gas from about 50 to 15 psi, the optimal pressure for entry into the breathing circuit?
Respuesta
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Pressure-reducing valve
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Flowmeter
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Vaporizer
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Line pressure gauge
Pregunta 12
Pregunta
How does a flowmeter set below 100 mL/kg/min affect the concentration of anesthetic in the circuit?
Respuesta
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Increases the actual concentration of anesthetic
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Does not affect the concentration of anesthetic
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Lowers the actual concentration of anesthetic
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The flowmeter cannot be set lower than 100 mL/kg/min
Pregunta 13
Pregunta
A normal concentration of isoflurane to maintain a premedicated 20-kg dog would be approximately:
Pregunta 14
Pregunta
What should be done if a bottle of inhalant anesthetic is accidentally dropped and breaks?
Respuesta
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Mop up the liquid with a wet mop.
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Mop up the liquid with paper towels.
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Evacuate the room immediately and allow the room to air out until the liquid is completely evaporated.
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There is no reason to do anything as the liquid will evaporate.
Pregunta 15
Pregunta
You have been asked to manage general anesthesia on a horse. What type of system would be most appropriate?
Respuesta
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Closed rebreathing system
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Semiclosed rebreathing system
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Rebreathing system
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Partial rebreathing system
Pregunta 16
Pregunta
Failure to adjust which of the following devices results in a buildup of excess pressure or volume of gases within the circuit and may damage the animal’s lungs?
Respuesta
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Unidirectional valve
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Pop-off valve
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Pressure manometer
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Air intake valve
Pregunta 17
Pregunta
The ideal volume of a reservoir bag for a 44-pound dog should be:
Pregunta 18
Pregunta
During any procedure, the reservoir bag should be approximately how full at peak expiration?
Pregunta 19
Pregunta
Fresh granules for the carbon dioxide absorber canister will:
Pregunta 20
Pregunta
How often should the carbon dioxide granules be changed even without color change?
Pregunta 21
Pregunta
Which of the following devices should an anesthetist monitor when squeezing the reservoir bag to determine the pressure being exerted on the animal’s lungs?
Respuesta
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Unidirectional valve
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Pop-off valve
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Pressure manometer
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Air intake valve
Pregunta 22
Pregunta
The maximum safe pressure manometer reading for a 15-kg dog would be:
Respuesta
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2 cm H2O.
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10 cm H2O.
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20 cm H2O.
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40 cm H2O.
Pregunta 23
Pregunta
The patient is a 3-kg kitten. What type of system should be used on the anesthetic machine?
Pregunta 24
Pregunta
When a 5-kg animal is placed on a Bain Coaxial Circuit, some rebreathing of waste gas will occur unless the oxygen flow is:
Respuesta
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0.5 to 1 times the RVM.
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2 to 3 times the RVM.
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4 to 5 times the RVM.
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6 to 7 times the RVM.
Pregunta 25
Pregunta
An anesthetist needs to rapidly increase the depth of anesthesia on a patient. Which is the best method of doing so?
Respuesta
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Decrease the oxygen flow using the rebreathing system.
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Increase the vaporizer settings using the rebreathing system.
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Use a non-rebreathing circuit.
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Bag the animal with the precision vaporizer set on 1%.
Pregunta 26
Pregunta
The VT in most anesthetized patients is:
Respuesta
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3 mL/kg/min.
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5 mL/kg/min.
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8 mL/kg/min.
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10 mL/kg/min.
Pregunta 27
Pregunta
What would be the recommended oxygen flow rate for mask induction of a 25-pound dog?
Respuesta
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0.5 mL/kg/min
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1 mL/kg/min
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2.5 mL/kg/min
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4 mL/kg/min
Pregunta 28
Pregunta
All parts of the anesthesia machine need to be handled carefully, but which part should the technician take extra care to not overtighten?
Pregunta 29
Pregunta
Testing the integrity of which part of the anesthetic machine can be achieved by placing the end of a tube in your mouth with a surgical mask in place?
Respuesta
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Flowmeter
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Unidirectional valve
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Pop-off valve
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Vaporizer
Pregunta 30
Pregunta
Disinfecting endotracheal tubes with which of the following will not kill all microorganisms and spores?
Respuesta
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Chlorhexidine gluconate
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Ethylene oxide
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Autoclaving
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Gas sterilization