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CBET Study Questions > Final Practice Exam > Flashcards

Final Practice Exam Flashcards

1
Q

The plane that divides the superior and inferior halves of the body is:
A. Sagital Plane
B. Frontal Plane
C. Transverse Plane
D. Mid Plane

A

C. Transverse Plane

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2
Q

An Oscilloscope reads 50 volts peak to peak. What is the RMS voltage?
A. 17.07 VRMS
B. 35.76 VRMS
C. 35.35 VRMS
D. 17.68 VRMS

A

D. 17.68 VRMS

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3
Q

In an inductive circuit:
A. Voltage leads current by 180 degrees
B. Current leads voltage by 90 degrees
C. Voltage leads current by 90 degrees
D. Current leads voltage by 180 degrees

A

C. Voltage leads current by 90 degrees

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4
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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5
Q

You get a call on a piece of equipment that has been involved in the injury ofa patient. You
should:
A. Follow hospital procedures
B. Contact the FDA
C. Follow the Safe Medical Device Act and report the problem
D. Report the problem to the charge nurse

A

A. Follow hospital procedures

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6
Q

What room is used in bone marrow transport floors and oncology rooms to stop airborne
pathogens?
A. Positive Pressure
B. Negative Pressure
C. Isolation
D. Quarantine

A

A. Positive Pressure

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7
Q

Gloves, mask, hand washing, and gowns are:
A. Parts of universal precautions
B. Usually not needed
C. Only needed in isolation environments
D. Needed to enter an operating room environment

A

A. Parts of universal precautions

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8
Q

A paper speed of 25mm/sec is set on an ECG recorder. The patient’s heart rate is 120 beats per
minute. In a normal ECG waveform, how often will the R wave show up on the paper?
A. Every 12.5 mm of paper fed
B. Every 3 big boxes on the paper
C. Every 5 big boxes on the paper
D. Every 20 mm on paper fed

A

A. Every 12.5 mm of paper fed

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9
Q

See the drawing below. Label plug using UL Standard wire colors.
A. Small prong white, big prong black, round green
B. Small prong black, big prong white, round green
C. Small prong blue, big prong brown, round green/yellow
D. Small prong brown, big prong blue, round green/yellow

A

B. Small prong black, big prong white, round green

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10
Q

One meter equal how many inches?

a) 36.39
b) 39.37
c) 37.37
d) 40.41

A

b) 39.37

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11
Q

When testing a zener diode forward biased with a DMM you should have:
A. The red lead on the cathode and the black lead on the anode
B. The red lead on the gate and the black lead on the cathode
C. The red lead on the anode and the black lead on the cathode
D. The red lead on the cathode the black lead on the gate

A

C. The red lead on the anode and the black lead on the cathode

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12
Q

To turn on a pnp transistor you need approximately:

a) +.7 volts on the base in reference to the collector
b) +.7 volts on the base in reference to the emitter
c) -.7 volts on the base in reference to the collector
d) -.7 volts on the base in reference to the emitter

A

d) -.7 volts on the base in reference to the emitter

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13
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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14
Q

The purpose of a collimator on an x-ray machine is to:
A. Stop scatter radiation from going to the film or detector
B. Limit the x-ray beam
C. Magnify the x-ray beam
D. Add lines to the film for measurement purposes

A

B. Limit the x-ray beam

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15
Q

The normal test load for a defib is:
A. 50 ohms wire wound resistor
B. 75 ohms non-inductive
C. 100 ohms non-inductive
D. 50 ohms non-inductive

A

A. 50 ohms wire wound resistor

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16
Q

An ECG monitor acquires the respiration wave and rate from:
A. ECG lead 2 black and red leads
B. ECG lead 2 white and black leads
C. ECG lead 2 white and red leads
D. Calculates it with a formula based off of heart rate on the white andblack leads.

A

C. ECG lead 2 white and red leads

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17
Q

The coag waveform of an ESU is:
A. High crest factor
B. Low crest factor
C. Damped oscillation
D. Chopped sine wave

A

A. High crest factor

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18
Q

You have noise on leads I, III. Which electrode or lead would look at first?
A. RA
B. LA
C. RL
D. LL

A

B. LA

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19
Q

The maximum allowable ground resistance is:
A. .100 Ohms
B. .50 Ohms
C. 50 Ohms
D. .75 Ohms

A

B. .50 Ohms

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20
Q

What is the typical expected cardiac output volume of a normal adult?
A. 8.6 Liters/minute
B. 6.0 Liters/minute
C. 5.5 Liters/minute
D. 7.4 Liters/minute

A

B. 6.0 Liters/minute

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21
Q

A Triac is used to switch
A. DC power
B. AC power
C. AC or DC power
D. FET gate current

A

B. AC power

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22
Q

Calculate the current through a 100-Watt heating element with a resistance of10K ohms.
A. 100 milliamps
B. .100 Milliamps
C. 10 Amps
D. 1 Amp

A

A. 100 milliamps

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23
Q

Waveforms on an EEG Monitor are temporarily stored in:
A. ROM
B. RAM
C. EPROM
D. EEPROM

A

B. RAM

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24
Q

The IEEE standard 802.11g is a standard for what type of communication?
A. Bluetooth
B. Ethernet
C. Wireless Ethernet
D. WMTS

A

C. Wireless Ethernet

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25
A transformer has 1968 windings on the primary and 492 windings on the secondary and the primary has 4 volts and 100 Milliamps. What is the voltage and current on the secondary and what is the power rating of the secondary? A. 1 volt, 400 mA, 4 watts B. 4 volts, 400 mA, .400watts C. 1 volt, 400 mA, .400 watts D. 4 volts .100 A .40 Watts
C. 1 volt, 400 mA, .400 watts
26
If VE= 40 mVolts, VC=12 Volts, VB 700 mVolts. What is the defect? A. Open transistor base to emitter B. Shorted transistor collector to emitter C. Open transistor collector to base D. R2 is open
C. Open transistor collector to base
27
If VB= 0.105 volts, VC= 12 volts, VE=.105 volts A. Open transistor base to emitter B. Shorted transistor base to emitter C. Open transistor collector to base D. C3 is open
B. Shorted transistor base to emitter
28
If VB= 0.69 Volts, VE= 3 mV, VC= 3.2 V in the circuit above, what is the defect? A. Shorted C3 B. Open collector C. Open R1 D. Shorted R3
A. Shorted C3
29
The normal output voltage at R5 is 550 mV peak. If the output voltage is only 250 mV, but the DC voltages at the transistor leads are normal, what is the defect? A. Open collector emitter of the transistor B. Leaky C3 C. Shorted R1 D. Open C2
B. Leaky C3
30
What kind of amplifier set up is this? A. Common Collector B. Common Base C. Common Emitter D. Gate follower
C. Common Emitter
31
. The defib won’t charge to the setting selected. What is the most likely problem? A. A1 is defective B. R3 wiper is defective C. C1 is defective D. R1/R2 voltage divider is defective
B. R3 wiper is defective
32
What is A1 used for? A. It is an OP amp. B. It is a comparator C. It is a voltage follower D. It is an inverter
B. It is a comparator
33
What is C1 used for? A. Store energy for discharge when the switches change state. B. Filter noise on the output C. Reference for A1 D. Timing circuit when combined with R1 and R2
A. Store energy for discharge when the switches change state.
34
. Where are the metacarpal bones located? A. The skull B. The feet C. The hands D. The jaw
C. The hands
35
What is the Voltage out? a) +10 v b) –10 v c) +15 v d) +5 v
c) +15 v
36
There is an electrical fire on a piece of medical equipment. What type offire extinguisher should you use: A. Type A B. Type B C. Type C D. Type K
C. Type C
37
An illness or infection that was acquired while in the hospital is called: A. Nosocomial B. Contagious infection C. Hepatitis A D. Hepatitis B
A. Nosocomial
38
. A blue colored cylinder contains: A. Cyclopropane B. Carbon Dioxide C. Nitrogen D. Nitrous Oxide
D. Nitrous Oxide
39
What is the maximum allowable leakage current for existing equipment? A. 500 uA B. 300uA C. 100uA D. .300uA
A. 500 uA
40
A nitrogen cylinder is colored: A. Gray B. Black C. Orange D. Blue
B. Black
41
Wireless telemetry frequencies are set by: A. OHSA B. FCC C. ASHE D. IEEE
B. FCC
42
The PH of Blood is: A. Slightly Acidic B. Slightly Alkaline C. Highly Acidic D. Highly Alkaline
B. Slightly Alkaline
43
Diastole occurs when: A. The Ventricles contract B. The Ventricles relax C. The Atria contract D. The Atria relax
B. The Ventricles relax
44
The Thyroid Gland is located: A. At the base of the brain B. The front of the neck C. Superior to the Kidneys D. Frontal Lobe of the Brain
B. The front of the neck
45
AAMI Standard Lead 3 is: A. White and Red Leads B. White and Green Leads C. Red and White Leads D. Red and Black Leads
D. Red and Black Leads
46
Normal placement of a catheter for IBP is: A. The tip 1 cm above the transducer B. The tip 2 cm below the transducer C. The tip 1 cm below the transducer D. The tip level with the transduce
D. The tip level with the transducer
47
The adrenal glands are located: A. At the base of the brain B. The front of the neck C. Superior to the Kidneys D. Frontal Lobe of the Brain
D. Frontal Lobe of the Brain
48
. If the tip of a catheter is lower than the transducer, then the blood pressure willread: A. Too high B. Too low C. This is normal D. 100 mmHg
B. Too low
49
TLC equals: A. VC+RC 6 liters B. RC+TV 6 liters C. TV+VC 6 liters D. LC-RC 6 liters
A. VC+RC 6 liters
50
Which one of these has the longest wavelength in the light spectrum: A. Violet Light B. Yellowish-Green Light C. Orange Light D. Dark Red Light
D. Dark Red Light
51
The suffix “otomy” means A. Procedure B. Surgery C. Incision D. Process
C. Incision
52
The normal % of red blood cells in body is a hematocrit reading of: A. 20% B. 40% C. 60% D. 10%
B. 40%
53
A cable run through a duct that is not in conduit must be: A. Copper wire B. Aluminum Wire C. Cat 5 cable with RJ45 connectors D. Plenum rated
D. Plenum rated
54
3 resistors in series. All 3 resistors are 20 ohms. The circuit has 180vdc. What is the current through each one of them? A. R1 1 amp, R2 2 amps, R3 3 amps B. 1 amp through each one C. 2 amps through each one D. 3 amps through each one
D. 3 amps through each one
55
What is the current through a circuit that has a frequency of 1KHz, 1 micro farad and 160 volts? A. 1 amp B. 5.16 amps C. .1 amps D. 2 amps
A. 1 amp
56
When using Ethernet- CSMA CD is used for: A. Carrier Sense Multiple Access with Collision Detection B. Collision Sense Multiple Access with Carrier Detection C. Colliding Sequence Multiplex Accessing Carrier Duplex D. Carrier Sequencing Multiplying Access Detector
A. Carrier Sense Multiple Access with Collision Detection
57
The main function of the Pancreas is: A. Digestion B. Insulin production C. Filtering D. Blood toxins
B. Insulin production
58
An IV pump programmed to run a concentration of uG/ml , how long to infuse if the concentration is 50uG/mL, rate= 2mL/hr how many to infuse 800 uG to patient? A. 8 minutes B. 8 hours C. 80 minutes D. 16 hours
B. 8 hours
59
The part of the eye used to see color is: A. Rods B. Iris C. Cornea D. Cones
D. Cones
60
An otoscope is used to exam the: A. Eye B. Nose C. Ear D. Throat
C. Ear
61
A tonometer is used to measure: A. Db hearing loss B. Pressure of the eye C. Frequency response of the ear D. Tympanic membrane pressure
B. Pressure of the eye
62
Pitted defibrillator paddles can result in: A. Burn to the patient B. Low output C. High output D. Scratches to patient
A. Burn to the patient
63
Korotkoff sounds related to? A. The sound the heart makes during normal sinus rhythm B. The sound the heart makes during an arrhythmia C. Sphygmomanometer D. Arterial Blood Pressure
C. Sphygmomanometer
64
What is Boyles Law? A. A fixed amount of a gas at a fixed temperature, and volume areinversely proportional. B. Gas pressure remains the same with an increase or decrease in pressure C. Gas pressure decreases with an increase in temperature D. Gas pressure and temperature are the same
A. A fixed amount of a gas at a fixed temperature, and volume are inversely proportional.
65
Given all highs on the inputs. What will the output at Q be? A. High B. Low C. No output D. Low and high alternating
A. High

CBET Study Questions (7 decks)

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