Ch 20 (6)

If the dentist is unhappy with the way that the assistant is passing instruments, the dentist should:

• tell the assistant how they want it passed and provide a demonstration

• simply tell the assistant what they should do to pass instruments more appropriately

• use body language to indicate that the assistant should

• discuss the matter with the assistant after the patient has left

To prevent injury, you should keep your feet together when lifting a heavy object.

• True

• False

When lifting heavy objects, you should lift with your (a)   .

• back

• legs

• arms

• core

The operator uses the (a)   to obtain a finger rest while using an instrument in a patient's mouth.

• index and middle fingers

• thumb and pinkie finger

• ring and pinkie fingers

• thumb and index finger

Indicate whether the statement is true or false. 1. Any time the operator passes an instrument back to the assistant with debris on the working end, the assistant should have a gauze square ready to clean it.

• True

• False

The instrument grasp shown in this image is the _______ grasp.

• palm

• pen

• palm-thumb

• reverse palm-thumb

Indicate whether the statement is true or false. 3. The signal for the instrument exchange comes from the operator raising the handle slightly from the operative site while maintaining a finger rest.

• True

• False

Indicate whether the statement is true or false. 4. When the operator establishes a finger rest, they use it as a fulcrum for stabilization while working with the hand instrument.

• True

• False

The assistant should sit

• at the same level as the operator

• a few inches higher than the operator

• a few inches lower than the operator

• at any height that feels comfortable

Indicate whether the statement is true or false. 6. To pass the air/water syringe, the assistant holds the end of the syringe covering the nozzle and tip with the palm of the hand.

• True

• False