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WorksheetsPre test basic pressure, electricity
Total questions: 10
Worksheet time: 10mins
If the internal diameter of an intravenous catheter were doubled, flow through
the catheter would be
Decreased by a factor of 2
Decreased by a factor of 4
Increased by a factor of 8
Increased by a factor of 16
Automated noninvasive blood pressure ( ANIBP) devices calculate which of the
following using proprietary algorithms ?
Systolic BP
Diastolic BP
Mean arterial BP
Both systolic and diastolic BPs
At high altitudes, the flow of a gas through a rotameter will be
Greater than expected
Less than expected
Less than expected at high flows but greater than e pected at low flows
Greater than expected at high flows but accurate at low flows
The greatest source for contamination of the OR atmosphere is leakage of
volatile anesthetics
Around the anesthesia mask
At the vaporizer
At the CO2
absorber
At the endotracheal tube
The LEAST reliable site for central temperature monitoring is the
Pulmonary artery
Skin on the forehead
Distal third of the esophagus
Nasopharynx
The minimum macroshock cur rent required to elicit v entricular fibrillation is
1 mA
10 mA
100 mA
500 mA
The line isolation monitor
Prevents microshock
Prevents macroshock
Provides electric isolation in the OR
Sounds an alarm when grounding occurs in the OR
The reason a patient is not burned by the return of energy from the patient to
the ESU (electrosurgical unit, Bo vie) is that
The coagulation side of this circuit is positive relative to the ground side
Resistance in the patient ’ s body attenuates the energy
The exit current density is much less than…?
The exit current density is much less than that at the hand piece
The fundamental difference between microshock and macroshock is related to
Location of shock
Duration
Voltage
Lethality
The arrows in the figure above indicate
Respiratory variation
An underdamped signal
An over
damped signal
Atrial fibrillation
