WorksheetsEssential Components Quiz
Total questions: 10
Worksheet time: 5mins
Why is it important for a syringe used in oral procedures to be capable of aspiration?
To ensure negative pressure can be created in the cartridge
To increase the temperature of the solution
To illuminate the oral cavity
To vibrate the tissue
What is the main design feature of petite syringes?
Designed for smaller hands
Automatically aspirate
Controls flow rate of injection
Loads from the side
Self-aspirating syringes are characterized by which of the following features?
Automatically aspirate
Designed for smaller hands
Inject into PDL
Controls flow rate of injection
Which part of the syringe must be straight and sharp to engage with the stopper?
Barrel
Needle adaptor
Piston with harpoon
Finger grip
Which part of a dental local anesthetic needle is described as the tip cut at an angle that penetrates through tissues, ideally toward bone?
Bevel
Shaft
Hub
Syringe adaptor
Which needle length is typically used for most mandibular injections?
32 mm (Long)
20 mm (Short)
15 mm (Extra short)
40 mm (Extra long)
Which two local anesthetic drugs listed are available at a concentration of 4%?
Lidocaine and Mepivicaine
Prilocaine and Articaine
Mepivicaine and Bupivicaine
Lidocaine and Prilocaine
What is one disadvantage of using a vasoconstrictor in local anesthetic solutions?
Faster onset of action
Increases shelf life
May cause a burning sensation
Raises pH to 7.0
What is the role of sodium chloride in a local anesthetic solution?
To make the solution isotonic with body tissues
To act as a preservative
To serve as a bacteriostatic agent
To provide color to the solution
What is the primary purpose of using a topical anesthetic during needle penetration?
To minimize discomfort
To prevent infection
To increase bleeding
To whiten teeth
