Homework Week one
Which of the following needle gauges has the largest lumen diameter?
25
What is the depth of insertion for ASA injection?
5mm
What is the depth of insertion for MSA injection?
5mm
What type of needle is recommended to safely and effectively administer an injection where the target is far away from the insertion site?
A long, 25- gauge needle
In which of the following patients would a supraperiosteal injection be indicated?
A patient requiring hemostasis for periodontal instrumentation of a single tooth
Which combination of injection techniques will ensure complete pulpal anesthesia of the maxillary molars as well as their associated periodontium and gingival tissue?
PSA, MSA, and greater palatine blocks
Which of the following nerves innervates the soft palate and tonsils?
The lesser palatine nerve
In the administration of the greater palatine (GP) block, the needle is advanced _______.
until the palatine bone is contacted
When the care plan involves anesthetizing two quadrants in a single visit, it is best to treat _______.
upper and lower quadrants on the same side
What is the average needle penetration depth for the PSA block?
16 mm
How many planes are we aspirating at Fortis Landover for PSA injections?
3
To maximize patient comfort and minimize tissue trauma, the needle should be changed after______ injections on the same patient
3 to 4
Which identifying mark is required by the ADA for all local anesthetic cartridges?
A standardized color-coded band on the plastic label
The IO block anesthetizes both the _________________ with one injection.
ASA and MSA nerves
If the middle superior alveolar (MSA) nerve is not present in a patient, the tissues usually innervated by the MSA are innervated by the _____________.
ASA and PSA
Placing the local anesthetic cartridge in alcohol or sterilization solutions can cause________
All of the choices
Which of the following actions is a preventive measure to ensure the needle has not entered a blood vessel?
Aspirate
Which of the following techniques will enhance patient comfort?
Avoid unnecessary boney contact when administering local anesthesia.
A bubble in the cartridge that is larger than 2 mm is harmlessly produced by nitrogen gas during the manufacturing process. A cartridge with a large bubble (>2 mm) can be used without complication.
Both statements are false
In order to safely and effectively anesthetize the PSA nerve, the hygienist should direct the needle at a 90-degree angle to the occlusal plane and a 90-degree angle to the long axis of the second maxillary molar. Bending the needle shank may be necessary to accomplish these needle angulations.
Both statements are false.
The _________ is a sharp tip attavhed to the internal end of the piston that embeds into the cartridge's rubber stopper.
Harpoon
Which of the following is NOT a recommended procedure prior to administering anesthesia?
Document the injection in the patient's chart.
Harpoon disengagement may occur due to the following EXCEPT?
Excessive engagement of the harpoon during setup
Which of the following is the most common medical emergency observed in the dental office?
Fainting
Where is the insertion site for an ASA injection?
Height of mucobuccal fold just medial to the canine eminence
When half-mouth periodontal treatment with anesthesia is required, it is best to begin with which injection?
Inferior alveolar (IA)
Which of the following maxillary blocks will anesthetize bilaterally (both the left and right), with only one injection
NP
Which of the following injection techniques can provide profound soft tissue and pulpal anesthesia over a large area?
Nerve block
Overinsertion of the needle when administering a _______________ block may result in piercing the pterygoid plexus of veins.
PSA
When selecting an anesthetic, which of the following factors should be considered?
Postoperative pain control
Gauze 2 x2 squares arae a helpful supplement to the anesthetic armamentarium. Which of the following is NOT a function of a gauze 2 x 2?
Pressure anesthesia
As you are about to administer an injection, your needle tip inadvertently touches the patient's disposable bib (clean but not sterile). What should you do next?
Recap the needle with the one-hand scoop method, discard it and replace it with a new, sterilized needle. Proceed in administering the local anesthesia
Why is it important to slowly deposit the anesthetic solution?
Slowly depositing improves patient comfort and prevents tissue damage.
Which nerves are responsible for innervating the maxillary lingual gingiva?
The greater palatine and nasopalatine nerves
Which of the following is the most effective patient positioning for the administration of local anesthesia?
Supine positioning
Which of the following is true?
The anterior middle superior alveolar (AMSA) block will effectively anesthetize the pulpal tissue, periodontium, and gingival tissue usually innervated by the ASA, MSA, GP, and NP blocks.
Which of the following does NOT occur in patients with a completely edentulous mandible?
The body of the mandible decreases in density (thins).
Your patient begins experiencing facial paralysis following the administration of an inferior alveolar block. Which nerve has been inadvertently anesthetized?
The facial nerve
A greater degree of variation exists in the maxilla than in the mandible. Maxillary injections are generally more successful than mandibular injections
The first statement is false; the second statement is true.
The lower jaw, or mandible, consists of two bones that are fused together at the intermandibular suture. The mandible is the skull's only freely movable bone.
The first statement is false; the second statement is true.
Of the following nerves, which is carried in the incisive foramen?
The nasopalatine nerve
Your patient requires local anesthesia for periodontal therapy of a maxillary quadrant. Which injection should be administered first?
The posterior superior alveolar (PSA) block
Which of the following is an important consideration when selecting a technique to administer local anesthesia?
The safety and comfort of the patient
The American Dental association has set forth criteria for the acceptance of local anesthesia syringes. Which of the following is NOT consistent with the ADA's standards?
The syringe must be disposable
Which of the following is a factor in determining which injection to administer?
Treatment area Hemostasis Presence of infection Correct! All of the choices
In the event of advanced periodontal disease, you may only realistically complete a few teeth each visit. When this is the case, the care plan should propose dividing the mouth by sextants or quadrants for treatment.
True
Patient discomfort is minimized through the use of a sharply beveled needle
True
Routine maintenance of a reusable syringe includes inspection and replacement of dull or bent harpoon
True
The administration of topical antiseptic is optional
True
When administering local anesthesia, the bevel of the needle should face the bone.
True
Which division of the trigeminal nerve carries both afferent and efferent nerves?
V3
After arriving at the deposition site , you decide to redirect your needle to acheive effective anesthesia. Which of the following is an appropriate action?
Withdraw the needle completely, change the direction of the needle, penetrate, and readvance to the target location
The __________ is an elongated depression located directly beneath, or inferior to, the infraorbital foramen
canine fossa
The syringe designed to deliver a "virtuallly painless" injection of local anesthesia is the
computer-controlled anesthetic delivery device (CCLAD)
The ____________ can assist the clinician in visualizing access to the injection site, especially when the patient presents with a bulky alveolar ridge or bony exostosis.
cotton-tipped applicator
Once the penetration site has been determined, the clinician should pick up the prepared anesthetic syringe, making certain the large window is _______ and the clinician's hand is _______.
facing up, palm up
Where is the insertion site for PSA
height of the mucobuccal fold distal to the second molar
Field block injections are most effective _______.
in the maxillary arch
Where is the insertion point for GP injection
just anterior to the GP foramen
A needle with a _________ is recommended for it's ability to provide less deflection, greater accuracy, less needle breakage, and a more accurate aspiration.
large gauge (25)
The alveolar bone covering the maxillary teeth is __________ than the alveolar bone covering the mandibular teeth
less dense
The floor of the mouth, tongue, and mandibular lingual gingiva are innervated by the ____________.
lingual nerve
When breach loading a cartridge into a syringe, the rubber stopper should _________.
load first
Anesthesia deposited near the smaller terminal nerve endings, providing soft tissue anesthesia in a limited area, is defined as (a)
local infiltration.
The air-filled space contained within the body of the maxilla is called the ____________.
maxillary sinus
Pulling back on the thumb ring provides_________ and produce an aspiration.
negative pressure
Which of the following skull bones is NOT involved in the administration of local anesthesia?
occipital
A bifid inferior alveolar nerve can be detected _____________.
on a radiograph
A ________ syringe is primarily used for PDL injections of single mandibular teeth where tissue resistance is pronounced
pressure
The manifestation of a hematoma is ______ with supraperiosteal injections.
rare
If the harpoon disengages during an aspiration, the clinician should
remove the syringe from the patient's mouth, remove the needle, and reengage the harpoon into the rubber stopper
The needle penetration site for the MSA block is at the height of the mucobuccal fold, at the apex of the _______.
second premolar
Fill in the blanks: Surface anesthesia is _______ and limited to _______.
short lasting, the area of application
Which of the following is NOT innervated by the anterior superior alveolar nerve?
side of the nose, and lower eyelid
In the interest of patient comfort, the dental hygienist should effectively anesthetize the treatment area with _______.
the fewest possible tissue penetrations
