Anesthesia Mock Exam 2023 Questions and Answers 100% Verified
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Anesthesia Mock Exam 2023 Questions and Answers 100% Verified
Where does the mandibular nerve pass through in the skull?
Foramen Ovale
What is the maxillary division of the trigeminal nerve?
Sensory
Which nerve is NOT associated with the mandibular nerve branch?
Infraorbital nerve
Which te...
anesthesia mock exam 2023 questions and answers 100 verified where does the mandibular nerve pass through in the skull foramen ovale what is the maxillary division of the trigeminal nerve sensory
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Anesthesia Mock Exam 2023 Questions and Answers 100%
Verified
Where does the mandibular nerve pass through in the skull?
Foramen Ovale
What is the maxillary division of the trigeminal nerve?
Sensory
Which nerve is NOT associated with the mandibular nerve branch?
Infraorbital nerve
Which teeth does the PSA injection innervate?
1st, 2nd, and 3rd maxillary molars
* Does not innervate the mesiobuccal cusp of the maxillary 1st molar
Which injection is needed to anesthetize linguals of maxillary anteriors?
Nasopalatine
Which injections are needed to anesthetize the entire palate on one side?
Greater Palatine & Nasopalatine
How far do you insert the needle on an IANB?
20-25 mm or 3/4 the length of the needle
What happens during depolarization?
- Sodium comes in
- Potassium goes out
When do you aspirate?
Right before anesthetic is deposited
* This makes sure you do not insert the needle into a blood vessel
Which type of local anesthetic is metabolized by pseudocholinesterase (PABA)?
Esters
What kind of tissue is topical anesthetic least effective on?
Keratinized tissues
What is true about topical anesthetics?
There are no systemic problems with them
Which Ester has the highest occurrence of allergic reactions?
Ester option; Benzocaine
* Only applied topically
What is the significance of giving an amide anesthetic to a patient with Cirrhosis?
The amide anesthetic is metabolized by the liver
What is the landmark for the IANB injection?
Coronoid notch
Psychogenic pain
No organic base for the pain
What is the maximum epinephrine dose for cardiac & normal patients?
Cardiac- .04mg
Normal- .2mg
,What is trismus?
Limited opening of mouth
Management of hematoma
Cold compression & pressure to bleeding site
Management of trismus
- Heat therapy
- Saline rinses
- Asprin
- Jaw exercises
Hematoma can occur if needle penetrates into the pterygoid plexus of veins during
which injection?
PSA
What needle should be used for infiltration?
27 short
What is the solution volume of a single cartridge of LA?
1.7-1.8 ml
Which antioxidant prevents biodegration of LA by stoping oxidation of a vasopressor?
Sodium bisulfite
What do vasopressors do?
- Increases duration of LA
- Hemostasis (stops blood flow)
- Reduces chance of toxicity
What would cause a dry cornea?
Anesthetizing the facial nerve (VII)
- The facial nerve can be anesthetized if bone is not contacted during an IANB injection
and anesthetic is deposited into the parotid gland causing bell's palsy
- Temporary bell's palsy will not allow the patients eyelid to blink or close, causing a dry
cornea
How do you calculate the amount of epinephrine in a solution?
1% solution = 10 X 1.8 (or 1.7) = 18mg (or 17mg)
2% solution = 20 X 1.8 (or 1.7) = 36mg (or 34 mg)
3% solution = 30 X 1.8 (or 1.7) = 54 mg (or 51 mg)
What are the causes of burning upon injection?
- Acidic (low) pH of solution
-cartridge contains a vasoconstrictor (this lowers the pH of solution more than one
without)
-overheated cartridge
- Cartridge being wiped with sterilizing solution (alcohol)
-cartridge was placed in disinfecting solution
-expired agents
What causes pain on injection?
LA deposited too rapidly
The patient reports an allergy to red wine. Which anesthetic should be used?
Mepivacaine 3% plain
, What causes a needle to break?
- Bending needle
- Patient movement
-inserting needle to hub
-using too small of gauge
Why would a patient receive an electric shock during delivery of anesthesia?
If the needle contacts/touches the nerve sheath
Numbness of the anterior 2/3 of the tongue is caused by which nerve being
anesthetized?
Lingual nerve
What is the benefit of slow deposition rate?
Less pain & less complications
Where is the location for the long buccal injection?
Distal and buccal to the 2nd mandibular molar
Why does anesthesia fail to work near an abscessed tooth?
Abscessed tooth= infection
* Infection causes pH to lower, which does not allow the ionization of sodium molecules
What nerve innervates the soft palate?
Lesser Palatine Nerve
What is the first sign of local anesthesia toxicity?
CNS excitement
How do you manage an allergic reaction?
- For an immediate reaction, give epinephrine
- For a delayed reaction, give Benadryl
You just administered anesthetic to your patient, and within minutes a rash forms on the
patients neck. She complains of having difficulty breathing. What would you do?
Administer epinephrine
Which injection is best for hemostasis?
Infiltration
What do beta blockers do?
Decrease blood pressure
What part of the syringe indicates it is an aspirating syringe?
Harpoon
What is an antiseptic that is not used when giving local?
Alcohol
What is a possible cause of pain upon removal of a needle?
Needle barb
How does a self aspirating syringe work?
When pressure is let off the syringe, it automatically aspirates
What causes a hematoma?
Injecting in the pterygoid plexus during a PSA injection
Needle gauge: which lumen is smallest?
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