TEST QUESTIONS Flashcards
If lead III is the only lead selection that is operating properly and lead I and II are not, which electrode is having an issue?
RA
If two sinusoidal waves are 90 degrees out of phase, while one is high the other is?
At 0
What happens during the T phase?
Ventricles repolarize
What created HIPPA?
Department of Health and Human Services
What is the pressure for an oxygen wall outlet?
50 psi
Which Op-Amp has a capacitor in the feedback loop?
Integrator
Who has enforced a time limit for exposure to formaldehyde?
OSHA
The FDA requires a report to be filed within 10 days in the event of what?
Medical device failure that causes patient injury
What reduces the spread of airborne pathogens?
Negative Pressure Room
Hemoglobin’s primary job is to carry?
Gases
What is Cardiac Output?
Amount of blood pumped in 1 minute
What safety procedures should be followed with the use of a laser?
A laser sign w/type of laser posted exterior to the room
Soda Lime is used for what?
To absorb CO2
What are the first sounds that are heard when measuring NIBP?
Korotkoff Sounds when systolic pressure exceeds cuff pressure
The best protection from radiation is what?
Shielding, Distance, and Time
What are the characteristics of the ESU COAG function?
High Voltage (Crest) 6% On / 94% Off
What blood type is universal donor?
O
Bile produced by the liver is stored where?
Gallbladder
What are the spaces between neurons called?
Synapse
What is an advantage of MRI over X-ray?
Soft tissue diagnoses
If a work simulator in sports medicine measures 25 microamps of leakage current, which is the appropriate action?
Take no further action
What fire extinguisher is used to put out an electrical fire?
Class C/ CO2
If a water cooled dye laser shuts itself off in the middle of demoplasty, what is the most likely cause?
Water flow to the laser was interrupted or flow is low
If physicians and nurses are complaining of headaches in a particular OR suite, what is the most likely cause?
Scavenger system is malfunctioning
An intermittent pulse oximeter reading is most likely caused by?
Placing the finger probe on the same limb as the NIBP cuff
The proper load for testing a defib is?
50 ohms
The most important function of an infant incubator is to?
Maintain a thermoneutral environment
What device is most useful when measuring AC without breaking the circuit?
Clamp-on ammeter
A maternal fetal monitor is designed to monitor what?
Maternal ECG, fetal heart rate, and uterine pressure
Which of the following determines the frequency of preventative maintenance inspections?
Medical Equipment Management Plan
Apnea indicates problems with?
Breathing
What is phacoemulsification used to treat?
Cataracts
During ventricular pacing, what is the tissue refractory period?
You are called to the OR because the waveform on a CO2 monitor will not reach zero. What is the most likely cause?
What does the line on a zenner diode signify?
Cathode
What is the most likely cause of a defib not discharging?
Only one button was depressed on the paddles
What is the first thing to check on an ESU that will not activate?
Return electrode
A plasma sterilizer works by exciting?
Ethylene oxide
After sterilization a scope is brought to you with the outer layer peeling and bubbling. What is the most likely cause?
The cleaning solutions are not compatible with the scope
What part of the inner ear produces and sends electrical signals to the brain?
Auditory ossicles
What measures the ST segment?
ECG
What is happening during the T Wave?
Repolarization of the ventricles
What is the advantage of MRI over other imaging techniques?
Better imaging of soft tissue
A photometer is used for measuring?
Light intensity
A densitometer is used for?
Measuring the density of film
How does a colorimeter work?
Measuring the absorption of various frequencies of light
Where is a spectrophotometer used?
Microbiology
During a liquid fire what class fire extinguisher should be used?
B
While testing a resistor you read zero ohms, what is the next step?
Desolder one side and remove from the board and test again
What refers to an abnormally low red blood cell count?
Anemia
Jaundice is typically treated using?
Bilirubin light treatment
A GFCI is designed to trip when 6ma is measured between what?
Hot and neutral
With two sinusoidal waves 90 degrees out of phase when one is high the other will be at?
Zero
A negative pressure room is used to?
Prevent the spread of airborne pathogens
During morning rounds; a bmet finds a sequential compression device with a torn tag with a question mark. What is the most appropriate thing to do?
Verify proper operation
A mechanical interlock on an IV is used to prevent what?
Free flow
What kind of radiation is produced by the body during a nuclear medicine study?
Gamma
A BMET confirms that an intra aortic balloon pump will not trigger from a bedside monitor due to the size of the ECG waveform. Which is the most appropriate action?
Use the pressure waveform to synchronize
An ESU with a high crest factor reflects the ability to do what?
Coag
A BMET confirms that an intra-aortic balloon pump will not trigger from a bedside monitor due to the size of the ECG signal. What is the most appropriate suggestion?
Use pressure waveform to synchronize
Fires involving flammable liquids should only be fought with what type of fire extinguisher?
Class B
What is the non-inductive resistance to be used as a load when measuring the output of a defibrillator?
50 ohms
If a technician notices a critical level alarm on the central station while performing a maintenance check on a device, the technician should?
Alert the unit coordinator/nurse
What laboratory department uses a microtome?
Histology
What is the most appropriate internal step if the pulmonary function analyzer displays a flow error message?
Ask the operator to demonstrate their actions
What is the organ of the hepatopancreatic system?
Liver
During laparoscopic abdominal procedures, what gas is used to enlarge the working space for the surgeon?
Carbon dioxide
Centrifuge will power up and turn by hand, brushes are fine but unit will not spin. What is wrong?
Door interlock is broken
How does a spectrophotometer work?
It measures the absorption of light of various wavelengths by a sample of a substance. By determining the light absorption characteristics of the sample, a determination can be made about what is in the sample.
A BMET is asked to repair a tabletop centrifuge. During the last PM, the rpm reading was recorded as 3000 rpm, but it is now possible to get only 1200 rpm. What is the most likely cause?
Severely worn brushes
When taking a manual blood pressure, the last Korotkoff sound is indicative of what?
Diastolic pressure
What device is most useful in determining the relationship between AC and DC voltages?
Oscilloscope
What is a unit of measurement for inductance?
Henry
The laboratory reports that a water bath is not heating, but the power indicator light on. What is the most likely problem?
Insufficient water level
What measures frequencies of light?
Spectrometer
If the BIOS information is lost each time a PC is turned off for the night, what is most likely the problem?
BIOS battery is bad
What command is used to determine whether inter-VLAN communication is functioning?
Ping
What is a sequential compression device?
A device designed to limit the development of deep vein thrombosis by using an intermittent pressure sleeve
What is the purpose of Joint Commission?
They establish standards of operation for healthcare facilities
What is middleware?
Software that connects the two otherwise separate applications
A negative pressure ventilation system is designed to…
Minimize the spread of airborne contaminates
Pitting on defibrillator paddles can cause?
Burns to the patient
What best describes a nebulizer?
Atomizes a liquid
How does an ultrasound receive energy back from the tissue?
Low energy reflected pulse
Where is oxygen exchanged with carbon dioxide in the lungs?
Alveoli
To assure the accuracy of the electrical leakage test for portable equipment the device must?
Have all grounds intact
What tools are used for O2 enriched environment?
No grease or oil on tools, non-sparking
What is an acceptable pressure of oxygen available at the wall outlet in a patient room?
50 psi
During a laparoscopic carbon dioxide laser case, a technician should?
Wear safety glasses
What lab function uses spectrophotometry?
Chemistry
What is the most likely cause of low returned tidal volume when a ventilator is attached to a patient?
Leak in patient circuit
On a telemetry transmitter lead I is the only lead configuration that will display properly. What is the most likely cause?
LL lead wire is defective
What do you check if the staff is complaining of headaches in the operating room?
Scavenger system
If a structure is proximal to the elbow, it is towards the…
Shoulder
If the NIBP cuff continuously attempts to pump, what is the most likely cause?
Leaky cuff or hose (patient circuit)
What do you do to a piece of lab equipment that is measuring 23 micro amps of leakage current?
Normal operation
Which of the following results from formation of blood clots?
Thrombosis
A surgical video tower has an image on its display, but the slave monitor is blank. The cable is hooked up through the printer. What is the most likely source of the problem?
Printer is in menu mode
OSHA has established a maximum limit exposure to which chemical?
Formaldehyde
Water cooled dye laser stopped working mid procedure, what went wrong?
Water flow insufficient
A pneumotachometer is used to measure the…
Respiratory flow rate
What best describes the function of villi?
Absorb nutrients
PCA pump operated fine for an hour, but patient couldn’t deliver dose. What is wrong?
Patient already received allotted dose
What is the relationship between inductive reactance and frequency?
Directly proportional
