Anesthesia Mock Exam 127 Questions with Correct Answers 2024/2025 Where does the mandibular nerve pass through in the skull? - Correct Answers Foramen Ovale What is the maxillary division of the trigeminal nerve? - Correct Answers Sensory Which nerve is NOT associated with the mandibular nerve branch? - Correct Answers Infraorbital nerve Which teeth does the PSA injection innervate? - Correct Answers 1st, 2nd, and 3rd maxillary molars
- Does not innervate the mesiobuccal cusp of the maxillary 1st molar
- Potassium goes out
- This makes sure you do not insert the needle into a blood vessel
Which injection is needed to anesthetize linguals of maxillary anteriors? - Correct Answers Nasopalatine Which injections are needed to anesthetize the entire palate on one side? - Correct Answers Greater Palatine & Nasopalatine How far do you insert the needle on an IANB? - Correct Answers 20-25 mm or 3/4 the length of the needle What happens during depolarization? - Correct Answers - Sodium comes in
When do you aspirate? - Correct Answers Right before anesthetic is deposited
Which type of local anesthetic is metabolized by pseudocholinesterase (PABA)? - Correct Answers Esters 1 / 3
What kind of tissue is topical anesthetic least effective on? - Correct Answers Keratinized tissues What is true about topical anesthetics? - Correct Answers There are no systemic problems with them Which Ester has the highest occurrence of allergic reactions? - Correct Answers Ester option; Benzocaine
- Only applied topically
- Saline rinses
- Asprin
- Jaw exercises
What is the significance of giving an amide anesthetic to a patient with Cirrhosis? - Correct Answers The amide anesthetic is metabolized by the liver What is the landmark for the IANB injection? - Correct Answers Coronoid notch Psychogenic pain - Correct Answers No organic base for the pain What is the maximum epinephrine dose for cardiac & normal patients? - Correct Answers Cardiac- .04mg Normal- .2mg What is trismus? - Correct Answers Limited opening of mouth Management of hematoma - Correct Answers Cold compression & pressure to bleeding site Management of trismus - Correct Answers - Heat therapy
Hematoma can occur if needle penetrates into the pterygoid plexus of veins during which injection? - Correct Answers PSA 2 / 3
What needle should be used for infiltration? - Correct Answers 27 short What is the solution volume of a single cartridge of LA? - Correct Answers 1.7-1.8 ml Which antioxidant prevents biodegration of LA by stoping oxidation of a vasopressor? - Correct Answers Sodium bisulfite What do vasopressors do? - Correct Answers - Increases duration of LA
- Hemostasis (stops blood flow)
- Reduces chance of toxicity
- The facial nerve can be anesthetized if bone is not contacted during an IANB injection and
- Temporary bell's palsy will not allow the patients eyelid to blink or close, causing a dry cornea
- LA injected too fast
- Cartridge being wiped with sterilizing solution (alcohol)
- Patient movement
- / 3
What would cause a dry cornea? - Correct Answers Anesthetizing the facial nerve (VII)
anesthetic is deposited into the parotid gland causing bell's palsy
How do you calculate the amount of epinephrine in a solution? - Correct Answers 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? - Correct Answers - Acidic (low) pH of solution
What causes a needle to break? - Correct Answers - Bending needle
Why would a patient receive an electric shock during delivery of anesthesia? - Correct Answers If the needle contacts/touches the nerve sheath