Surgery Anesthesia Midterm Part 2

A detailed and vibrant illustration of a veterinary anesthesia setup, including an anesthetic machine, an oxygen tank, and an animal patient being monitored with various equipment, capturing the essence of veterinary surgical procedures and care.

Surgery Anesthesia Mastery Quiz

Test your knowledge and skills in surgery anesthesia with our comprehensive quiz designed for veterinary professionals and students. This quiz includes 62 questions covering various aspects of anesthesia techniques, safety protocols, and drug handling.

Multiple choice format for easy answering
Immediate feedback on your answers
Perfect for exam preparation or refreshing your knowledge

62 Questions16 MinutesCreated by AnalyzingPanda24

To ensure the most accurate blood pressure reading, the cuff should be what percentage of the width of the limb?

40%

60%

74%

25%

______ To achieve therapeutic blood levels, hydrophilic drugs must be administered by injection.

True

False

______ Biotransformation tends to make most drugs more hydrophilic prior to elimination in the urine or bile.

True

False

______ When treating disseminated fungal infections, most systemic antifungal drugs are given for approximately 10 days to 2 weeks

True

False

______ Mitotane kills the cells in the adrenal gland that produce cortisol, whereas trilostane does not.

True

False

______ Because insulin is usually given in very small doses, a tuberculin syringe should be used to administer it.

True

False

When troubleshooting signal loss while using a pulse oximeter, the first thing the veterinary technician should do is

check for adequate tissue contact.

make sure the side with the light source and sensor is oriented toward the tissue.

make sure that feces are not between the probe and the tissue.

make sure the patient is safe by assessing vital signs.

For noninvasive blood pressure measurements, the cuff should be placed

higher than the heart.

at the same elevation as the heart.

lower than the heart.

its placement has no relation to the plane of the heart.

When an anesthetic machine is operating correctly, all are true regarding the pressures in the machine except:

15 psi entering a VOC vaporizer

2200 psi between the compressed gas cylinder and the pressure-reducing valve

40 to 50 psi between the pressure-reducing valve and the flowmeters

15 psi between the flowmeters and the breathing circuit

The concentration of anesthetic delivered from a nonprecision vaporizer may depend on the:

Temperature of the liquid anesthetic

Flow of the carrier gas through the vaporizer

All are correct

When the oxygen tank is half full, the tank pressure gauge will read approximately:

1100 psi

2000 psi

500 psi

Rebreathing systems, when used with standard small animal corrugated breathing tubes, are best reserved for animals weighing more than 7 kg.

True

False

The amount of oxygen an animal is receiving is indicated by the:

Vaporizer setting

Oxygen tank pressure gauge

Pressure manometer

Flowmeter

Which of the following oxygen flow rates are within the safe recommended ranges for a 15 kg dog on a semiclosed rebreathing system when you wish to increase anesthetic depth and when you wish to maintain the current anesthetic depth, respectively?

500 mL/min; 250 mL/min

2 L/min; 1 L/min

1 L/min; 500 mL/min

4 L/min; 2 L/min

The one-way valves on an anesthetic machine help to:

Vaporize the liquid anesthetic

Control the direction of movement of gases

Maintain a full reservoir bag

The pop-off valve is part of the anesthetic machine and helps to:

Prevent excess gas pressure from building up within the breathing circuit

Keep the oxygen flowing in one direction only

Vaporize the liquid anesthetic

Prevent waste gases from reentering the vaporizer

In small animal anesthesia, when the patient is bagged, the pressure manometer reading should not exceed:

20 cm H2O

5 cm H2O

10 cm H2O

15 cm H2O

Rebreathing of expired gases is determined primarily by the:

Fresh gas flow

Presence of a reservoir bag

Open or shut pop-off valve

Non-rebreathing systems should have maintenance flow rates that are:

Low (20 to 40 mL/kg/min)

Very high (at least 100 to 200 mL/kg/min)

Moderate (50 to 100 mL/kg/min)

Very low (5 to 10 mL/kg/min)

A technician may reduce the amount of waste gases by all of the following methods except:

Ensuring that the anesthetic machine has been tested for leaks

Using an injectable agent rather than a mask or chamber

Using cuffed endotracheal tubes

Using high fresh gas flows

The tidal volume of an anesthetized animal is considered to be _________ mL/kg of body weight.

The negative pressure relief valve is particularly important when:

The carbon dioxide absorber is no longer functioning

There is no scavenging system

Nitrous oxide is being used

There is a failure of oxygen flow through the system

Flowmeters that have a ball for reading the gauge should be read from the __________ of the ball.

Bottom

Middle

Top

A scavenging system is generally attached to:

The pressure-reducing valve

The pop-off valve

The negative pressure-relief valve

The exhalation unidirectional valve

A reservoir bag that is not moving well may indicate all except:

The vaporizer is empty

The animal has a decreased tidal volume

There is a leak around the endotracheal tube

The endotracheal tube is not in the trachea

To conduct a low-pressure test on an anesthetic machine (with a rebreathing circuit), all of the following must be done except:

Pressurize the circuit with a volume of gas

Close the pop-off valve and occlude the patient end of the breathing circuit

Turn off the oxygen tank

Compress the reservoir bag

An increase in the depth of anesthesia can be achieved quickly by:

Bagging the animal with the precision vaporizer on

Using a closed anesthetic system

Having high oxygen flow rates and having high vaporizer setting

When the granules in the carbon dioxide absorber have been depleted all of the following will occur except:

Granules will be brittle

Granules may be hard

Anesthetist will smell waste carbon dioxide

Granules may change color

Waste anesthetic gases are a potential hazard to personnel, but problems that arise are only of long-term nature.

True

False

Long-term toxicity of inhalation anesthetics is thought to be caused by the release of toxic metabolites during the breakdown of these drugs within the body.

True

False

As long as you can’t smell any waste anesthetic gas, you can be reasonably sure that the levels are below recommended exposure limits.

True

False

Rooms in which animals are recovering from anesthesia may be highly contaminated with waste gas.

True

False

The volatile inhalant general anesthetic thought to be least toxic, because very little is retained and metabolized, is:

Nitrous oxide

Methoxyflurane

Isoflurane

Halothane

In the United States, the National Institute for Occupational Safety and Health (NIOSH) recommends that the levels of waste anesthetic gases for anesthetics such as isoflurane and sevoflurane should not exceed ___ ppm.

0.2

200

How often should a test for low-pressure leaks be conducted?

At least once per month

At least once per week

When the anesthetist smells anesthetic gases

Each day that the machine is used

Which of the following can be used effectively to monitor waste anesthetic gas levels?

Regular preventive maintenance by qualified personnel

Passive dosimeter badge

Odor of waste gas

Radiation monitor

What is the minimum number of air changes per hour that should be available in a room in which waste anesthetic gases are present?

The safest way to transport a large compressed-gas cylinder, such as an oxygen tank, is by:

Carrying it

Dragging it by the neck

Using a handcart

Rolling it along the floor

With most injectable and inhalant anesthetics, there is generally a progressive depression of cardiovascular and respiratory function as the depth of anesthesia increases.

True

False

An animal that is in a surgical plane of anesthesia should not respond in any way to any procedure that is being done to it (e.g., pulling on viscera should not change vital signs).

True

False

In general, a respiratory rate of less than __________breaths/min in an anesthetized dog should be reported to the veterinarian.

The plane of anesthesia most suitable for surgical procedures occurs during:

Stage I

Stage II

Stage III

Stage IV

To ensure the most accurate blood pressure reading, the cuff should be what percentage of the width of the limb?

25%

40%.

60%.

75%.

Which monitoring device measures exhaled CO2 levels?

Electrocardiograph.

Sphygmomanometer

Capnometer.

Pulse oximeter.

Hypotension can be caused by:

Patient obesity.

Increased heart rate.

Vasoconstrictive drugs.

Cardiac insufficiency.

Which reflex significantly diminishes or is absent when the patient enters the surgical plane of anesthesia?

Corneal

Pedal

Laryngeal

Palpebral

How frequently should physiologic parameters be recorded in the anesthesia log during a surgery?

Every 15 minutes.

Every minute.

Whenever the technician has the time.

Every 5 minutes.

Which of the following contributes to hypothermia in the anesthetized patient?

The surgical prep using water and alcohol.

Administering room-temperature intravenous fluids.

Anesthetic-induced muscle relaxation.

All are correct

Breath holding, vocalization, and involuntary movement of the limbs are most likely an indication that the animal is in what stage or plane of anesthesia?

Stage I

Stage III, light

Stage II

Stage III, deep

Anatomic dead space is considered to be the:

Air within the trachea, pharynx, larynx, bronchi, and nasal passages

Air within the breathing circuit

Air within the alveoli

Air within the digestive tract

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Surgery Anesthesia Midterm Part 2

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