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DH > Written Quiz 1 (Operatory Parts) > Flashcards

Written Quiz 1 (Operatory Parts) Flashcards

1
Q

What is the purpose of a headrest and how do you move it up/down?

A
  • This is where the patient will rest their head
  • to move up and down you just pull up or push down: no lever
  • It can also be moved to accommodate patients in wheelchairs
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2
Q

What is the purpose of a headrest locking knob and how do you use it?

A
  • this adjusts the headrest back and forth
  • when you turn it to the left, it will release the locking knob so you are able to adjust it
  • make sure to lock the knob after its adjusted by turning it to the right
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3
Q

What is the purpose of the folding arm rest?

A
  • this is where the patient will rest their arm
  • should be lowered prior to the patient being seated so they can easily get in the chair and placed back up once they have sat
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4
Q

How does the button for unlocking the arm rest work?

A
  • you pressed the button on the chair in order to put the armrest down
  • to lock the button again you simply pull the arm rest all the way up and it should click back into place
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5
Q

What is the lift?

A

a mechanism for raising and lowering the chair

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6
Q

What is the purpose of the chair seat

A

this is where the patient sits

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7
Q

What is the purpose of the swivel break lever & how does it work & when could it be useful?

A
  • allows to the entire chair to rotate
  • when you pull the lever to the Right it Releases and when you push it to the Left it is Locked
  • this could be used to make room for a wheelchair patient
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8
Q

What is the purpose of the backrest?

A

this supports the patients back

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9
Q

What is the purpose of the footrest

A
  • the end of the chair where patients put their feet
  • BEWARE do not allow patients to sit on footrest, this may cause the chair to tilt upwards as it is not bolted to the ground
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10
Q

What is the purpose of the foot control?

A

this is a tool operated with your foot to activate the air-driven piece (activates air)

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11
Q

What is the purpose of the solids separator?

A

this collects any solids that may go through the drain so they do not get in the main drain

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12
Q

What is the purpose of the self contained water bottle?

A
  • this holds treated water (a distilled water mixture)

- using this mixture reduces the waterline contamination

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13
Q

What is the purpose of the metal tray holder

A

this holds dental instruments

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14
Q

What is the purpose of the skid pad under the metal tray?

A

this ensures the tray is in a secure position and prevents any unintentional movement

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15
Q

What is the purpose of the master on/off toggle on the side of the tray?

A
  • this turns on the air, water and electrical power systems
  • I indicates on
  • O indicated off
  • must be turned off after each lab session
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16
Q

What is the purpose of the tray arm brake?

A

you must press the button to raise and lower your tray appropriately

17
Q

What is the purpose of the 3 holders on the front of the tray bar?

A
  • the one on the far left holds air/water syringe

- the other two are for operating slow speed handpieces

18
Q

What is the purpose of the water spout (not the one in the cuspidor)

A

this is where water is dispensed to fill a patients cup

19
Q

What is the purpose of the cup receptacle

A

holds the patients cup

20
Q

What is the purpose of the cup filler button

A

this fills the patients cup, it has an automatic timer

21
Q

What is the purpose of the bowl rinse button?

A

this provides water for flushing out the cuspidor bowl, this is on a timer

22
Q

What is the purpose of the cuspidor bowl

A

this is where the patient will spit

23
Q

What is the purpose of cuspidor spout

A

this is how water flows into the bowl

24
Q

What is the purpose of the removable trap/bowl screen of the cuspidor?

A

this collects any solid debris before it ender the main drain
this is removed and ultrasonic daily

25
Q

What is the purpose of the light handles

A

this is for adjusting the light

26
Q

What is the purpose of the light on/off switch

A
  • turn light on and off

- lights should be off when you are not in patients mouth

27
Q

What is the purpose of the light intensity switch

A
  • this changes the intensity of the light as needed however it should be on high usually when cleaning
  • high toggle points upward
  • medium toggle in middle
  • low points down
28
Q

where should the unit light be placed when working with a patient?

A

about an arms length away

29
Q

What is the purpose of the stools higher lever?

A

this elevates the chair up and down

30
Q

What is the purpose of the stools lower lever

A

adjust the backrest

31
Q

how should your stools backrest be positioned?

A

between 85-100 degrees

32
Q

What is the purpose of the knob on the back of the stool?

A

this moves the entire backrest up and down

33
Q

What is the purpose of the chair lift foot control and how does it work?

A
  • it is a foot switch that control the chairs up/down movement
  • controls are are behind the green button
  • to lower the chair you push towards you
  • to raise the chair you push away
34
Q

What is the purpose of the backrest lift foot control and how does it work?

A
  • this controls the tilt of the chairs backrest
  • located behind red button
  • to raise forward you push away from you
  • to lay back you push towards you
35
Q

What is the saliva ejector hose and what is its purpose?

A

it is attatched to an autoclavable body and it is inserted into the mouth to removed saliva and other fluids (suction hose)

36
Q

What is a HVE hose and what is its purpose?

A

-High Volume Evacuation Hose
-used to remove debris, blood and saliva from the oral cavity in greater volume than the saliva ejector hose
-it is controlled by a valve to determine the power
( basically a more intense saliva ejector hose)

37
Q

What is the purpose of the second air/water syringe?

A

this is used for left handed hygienists or assistants

38
Q

What is the purpose of the telescoping arm?

A

this holds the saliva ejector house, the HVE hose, the second air/water syringe and possibly an additional HVE

DH (4 decks)

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