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CBET Study Questions > Healthcare Technology and Function > Flashcards

Healthcare Technology and Function Flashcards

1
Q

You have a reading on 2 different manufacturer’s pulse oximeters. The nurse says they are reading wrong because there is a 2% difference in the blood oxygen levels between them. What is wrong?

a. Both of them need to be re-calibrated
b. Trust the one from a known manufacturer
c. This is normal operation
d. There is too much light from overhead affecting the readings.

A

c. This is normal operation

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2
Q

A sterilizer has a jacket pressure of 30 psi and a chamber pressure of 28 psi. What is wrong with it?

a. This is normal operation when a cycle is running.
b. The chamber solenoid is defective
c. The jacket solenoid is defective.
d. The overpressure solenoid is defective

A

a. This is normal operation when a cycle is running.

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3
Q

The EEG is used to detect:

a. Murmurs
b. Arrhythmias
c. Brain Tumors
d. Dermatitis

A

c. Brain Tumors

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4
Q

Steam Sterilization Temperatures are usually above:

a. 62 Degrees Celsius
b. 102 Degrees Celsius
c. 132 Degrees Celsius
d. 162 Degrees Celsius

A

c. 132 Degrees Celsius

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5
Q

Ultrasound is best described as:

a. Radiation
b. Flow of Sonic Particles
c. Electromagnetic Waves
d. Acoustic Compressions

A

d. Acoustic Compressions

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6
Q

During Synchronous Cardioversion

a. The defibrillator is set to fire approx 20ms after the peak of the “R” wave
b. The heart is in fibrillation
c. The heart is sometimes in fibrillation
d. The defibrillator is set to fire approx 20ms before the peak of the “R” wave

A

a. The defibrillator is set to fire approx 20ms after the peak of the “R” wave

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7
Q

What is the Highest Temp that an infant warmer should be before the alarm is tripped?

a. 37 degrees Celsius
b. 39 degrees Celsius
c. 43 degrees Celsius
d. 50 degrees Celsius

A

b. 39 degrees Celsius

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8
Q

The treatment of high bilirubin in babies is treated by;

a. Blood Transfusion
b. Drug Therapy
c. Bile Duct surgery
d. Light Therapy

A

d. Light Therapy

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9
Q

Ultrasound Energy for imaging is produced by;

a. Piezoelectric Crystal
b. Charging Amp
c. Feedback oscillator
d. Doppler effect

A

a. Piezoelectric Crystal

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10
Q

What is the most life-threatening problem associated with an IV Pump?

a. Air Embolism
b. Free uncontrolled flow to the patient
c. Occlusion to patient
d. Vein closing when infusion is complete

A

a. Air Embolism

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11
Q

A paper speed of 25mm/sec is set on an ECG recorder. The patient’s heart rate is 60 beats per minute. In a normal ECG waveform, howoften will the R wave show up on the paper?

a. Every 25 cm
b. Every 3 big boxes on the paper
c. Every 5 big boxes on the paper
d. Ever 20 mm on paper fed

A

c. Every 5 big boxes on the paper

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12
Q

Using your test equipment you feed a 1milli volt signal into ECG leads.You have the monitor set to read on lead 2. You are using a 3 lead set. The monitor ECG size is set to 1 milli volt. You run a strip on the recorder. What should you see for amplitude on the recording?

a. One small square on the paper positive deflection
b. One big square on the paper positive deflection
c. Two small squares on the paper positive deflection
d. Two big squares on the paper positive deflection

A

d. Two big squares on the paper positive deflection

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13
Q

What selection on an electro surgical unit most resembles a sine wave?

a. Pure cut
b. Coag
c. Blend 1
d. Bipolar coag

A

a. Pure cut

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14
Q

The purpose of a grid on an x-ray bucky is to:

a. Stop scatter radiation from going to the film or detector
b. Focus the x-ray beam
c. Magnify the x-ray beam
d. Add lines to the film for measurement purposes

A

a. Stop scatter radiation from going to the film or detector

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15
Q

The normal test load for a defibrillator is:

a. 50 ohms
b. 75 ohms
c. 100 ohms
d. 50 ohms non-inductive

A

d. 50 ohms non-inductive

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16
Q

An ECG monitor acquires the respiration wave and rate from:

a. ECG lead 1
b. ECG lead 2
c. ECG lead 3
d. Calculates it with a formula based off of heart rate

A

b. ECG lead 2

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17
Q

A tourniquet stops the flow of blood to a patient’s body part that isbeing operated on by:

a. Pumping up to a pressure lower than the patient’s blood pressure and restricting flow.
b. Pumping up to a pressure higher than the patient’s blood pressure and restricting flow.
c. Pressurizing and de-pressurizing based on the needs of the patient and the surgeon.
d. Alarming when it is over or under pressure.

A

b. Pumping up to a pressure higher than the patient’s blood pressure and restricting flow.

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18
Q

A centrifuge spins at 3432 RPM at one scheduled preventive maintenance check. This centrifuge is checked on a quarterly schedule. At the next scheduled preventive maintenance it reads 2600 RPM. What would the most likely case for this problem be?

a. Worn armature.
b. Defective motor speed controller circuit.
c. Different rotor head was installed.
d. The wrong weight of sample tubes being used in the centrifuge.

A

c. Different rotor head was installed.

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19
Q

A nurse calls you to repair a non-invasive blood pressure unit. The nurse tells you that the blood pressures are too high when using this unit. What is the most likely cause of this problem?

a. Blood pressure cuff is too big.
b. Blood pressure cuff is too small.
c. The blood pressure algorithm is set up wrong and needs to be recalibrated.
d. The pressure sensor is defective in the unit and needs to be replaced.

A

b. Blood pressure cuff is too small.

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20
Q

Name the A) standard speed and B) two optional speeds on an ECG machine.

a. 25 mm/s, 10 and 50 mm/s
b. 25 mm/s, 50 and 100 mm/s
c. 50 mm/s, 10 and 25 mm/s
d. 10 mm/s, 25 and 50 mm/s

A

b. 25 mm/s, 50 and 100 mm/s

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21
Q

What is the cause of a wandering base line?

a. Electrical interference do to lighting
b. Movement of electrode on skin
c. Patient is shaking (cold or tense)
d. Clips are dirty

A

b. Movement of electrode on skin

22
Q

On a tabletop sterilizer gets up to 220 degrees F and about 5 psi and then times out. What is the most likely cause of this problem?

a. The fill valve is stuck open
b. The bellows will not close
c. Thermostat is broken
d. Too much water in the chamber

A

b. The bellows will not close

23
Q

The pure cut waveform of an ESU is.

a. High crest
b. Low crest
c. Damped oscillation
d. Chopped sine wave

A

b. Low crest

24
Q

You have a lot of noise on leads I, III and AVL. Which electrode or lead would look at first?

a. RA
b. LA
c. RL
d. LL

A

b. LA

25
Q

Write in the proper tank colors for each gas listed.

(Green, Gray, Blue, Orange, Brown, Black, Yellow)

Oxygen

Carbon Dioxide

Nitrous Oxide

Cyclopropane

Helium

Nitrogen

Air

A
26
Q

Write in the proper ECG colors the proper lead wires

(White, Black, Red, Green, Brown)

RA

L A

LL

R L

Chest

A
27
Q

A monochromator is used to

a. Examine a single wavelength of light
b. Separate white light into many colors
c. Test for mononucleosis
d. Focus the image in a microscope

A

b. Separate white light into many colors

28
Q

A centrifuge will not start unless the rotor is manually turned before starting the most likely problem is

a. Bad speed control component
b. Bad timer
c. Bad lid interlock
d. Bad brushes

A

d. Bad brushes

29
Q

A Ph meter measures

a. Ionic strength
b. Photon intensity
c. Blood cell count
d. Karyotype balance

A

a. Ionic strength

30
Q

The normal setting for CO2 concentration in a tissue culture incubator is

a. 35% to 39%
b. 90% to 95%
c. 5% to 10%
d. 65% to 70%

A

c. 5% to 10%

31
Q

A Lithotripter

a. Uses ultrasonic energy to break up kidney stones
b. Uses electrosurgical energy to break up kidney stones
c. Is a type of argon beam coagulator
d. Is used in cataract surgery

A

a. Uses ultrasonic energy to break up kidney stones

32
Q

If a NIBP continuously inflates what is the most likely cause?

A. ECG interference

B. Out of calibration

C. Low Battery

D. Leaky cuff or hose (patient circuit)

A

D. Leaky cuff or hose (patient circuit)

33
Q

What is the process that makes X rays dangerous?

A. Chelation

B. Dehydration

C. Scintillation

D. Ionization

A

D. Ionization

34
Q

What is the most common temperature for an infant incubator?

A. 37 degrees Celsius

B. 25 degrees Celsius

C. 98.6 degrees Celsius

D. 53 degrees Celsius

A

A. 37 degrees Celsius

35
Q

When checking an equipment storage area a BMET finds a sequential compression device with a broken tag and a question mark written on the tag. What is the most appropriate first step to take?

A. Ask the patient if the device is working correctly

B. Remove the tag and return to service

C. Change the air filter

D. Verify proper operation

A

D. Verify proper operation

36
Q

An IV line with a mechanical interlock is used for?

A. Air in line

B. Dose limiting errors

C. Free flow

D. Fluid depletion

A

C. Free flow

37
Q

A nurse reports that a surgical laser won’t turn on. The nurse said it was working after the last case, but hasn’t worked since the room was cleaned by housekeeping. The laser will not turn on when the switch is turned on. What is the most likely cause?

A. Filter is clogged with dust or lint

B. Display brightness or contrast is too low

C. Housekeeping unplugged and re-plugged laser

D. Emergency stop is depressed

A

D. Emergency stop is depressed

38
Q

The primary use of an otoscope is for?

A. Examining the eyes

B. Examining the ears

C. Examining the uterus

D. Examining the heart

A

B. Examining the ears

39
Q

Clamping the IV tubing between the distal end and the pump would verify the operation of which alarm?

A. Air in line

B. KVO (Keep Vein Open)

C. Free Flow

D. Downstream occlusion

A

D. Downstream occlusion

40
Q

If a PCA pump delivers when not asked to by the patient. What is the most likely cause?

A. Device is operating on battery power

B. Maximum dose is reached

C. Faulty patient controller

D. 60 Hz interference

A

C. Faulty patient controller

41
Q

Pitted defibrillator paddles could cause?

A. Burns to the patient

B. Unable to use cardio version mode

C. No energy transferred to the patient for shock

D. Unable to pick up ECG in paddle mode

A

A. Burns to the patient

42
Q

Instruments used in laser cases should be?

A. Plastic

B. Polished

C. Anodized

D. Gold

A

C. Anodized

43
Q

A strain gauge changing length will result in?

A. Pressure of the gauge changing

B. Stress of the gauge changing

C. Resistance of the gauge changing

D. Force of the gauge changing

A

C. Resistance of the gauge changing

44
Q

During a laparoscopic procedure what gas is used in an insuflator to expand the working space for the doctor?

A. Oxygen

B. Medical grade air

C. Carbon dioxide

D. Helium

A

C. Carbon dioxide

45
Q

A spirometer is used for measuring?

A. Tidal volume

B. inspiratory pressue

C. Diastolic pressure

D. Cardiac flow

A

A. Tidal volume

46
Q

An ophthalmoscope is used to exam?

A. The ears

B. The eyes

C. Hearing loss

D. Pressure of the eyes

A

B. The eyes

47
Q

Centrifugal force is affected by which two factors?

A. Mass and weight

B. Radius and rotation speed

C. Rotor balance and radius

D. Temperature and speed

A

B. Radius and rotation speed

48
Q

What is most characteristic about a laser beam?

A. Coherent

B. Congruent

C. Multichromatic

D. Multideirectional

A

A. Coherent

49
Q

An IV pump has a drug that is .5mg/mL concentration. The pump is set to deliver a 10 mL bolus. After the bolus it is set to run at 10 mL.hr. After 4 hrs how much drug will be delivered?

A. 2.5 mg

B. 5 mg

C. 25 mg

D. 50 mg

A

C. 25 mg

50
Q

Einthoven’s law states that ECG lead 1 and 3 are the equivalent to?

A. Lead 2

B. Lead 5

C. Lead AVL

D. Lead AVR

A

A. Lead 2

CBET Study Questions (7 decks)

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