Local Anesthetics Quiz

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Which type of local anesthesia involves direct injection into tissues to reach nerve branches?

Spinal Anesthesia

Intravenous Extremity Block

Topical Anesthesia

Local Infiltration (correct)

What is an advantage of local anesthesia over general anesthesia?

Residual effect on the nerve fiber

Long duration of action

High systemic toxicity

No loss of consciousness (correct)

Which is a property of an ideal local anesthetic?

Insoluble in water

Prolonged duration of action

Irreversible effects

Quick onset of action (correct)

Which chemical class of local anesthetics is linked by -COO?

Ester linked LA Signup and view all the answers

Which local anesthetic is classified as an amide linked LA?

Lignocaine Signup and view all the answers

What is the main unwanted effect of local anesthetics?

Systemic toxicity Signup and view all the answers

Which type of local anesthesia involves arrest of blood flow?

Sympathetic Block Signup and view all the answers

Which local anesthetic has a long duration of action?

Tetracaine Signup and view all the answers

What is the mechanism of action of local anesthetics?

Interrupting pain impulses in a specific region of the body Signup and view all the answers

Which type of local anesthesia involves nose and mouth but not skin?

Topical Anesthesia Signup and view all the answers

Which local anesthetic is classified as an ester linked LA?

Procaine Signup and view all the answers

Which type of surface anesthetic is hydrolyzed by plasma esterase and metabolized in the liver?

Amide LAs Signup and view all the answers

Which type of local anesthetic is known for its longer duration and more intense analgesia?

Amide LAs Signup and view all the answers

What is the mechanism of action of local anesthetics?

Blocking sodium channels Signup and view all the answers

Which local anesthetic is also used as an antiarrhythmic?

Lidocaine Signup and view all the answers

Which vasoconstrictor is known to decrease the rate of vascular absorption and improve the depth of anesthesia?

Epinephrine Signup and view all the answers

Which local anesthetic has low aqueous solubility?

Benzocaine Signup and view all the answers

Which local anesthetic is characterized by rapid onset and a duration of action for 2 hours?

Cocaine Signup and view all the answers

Which local anesthetic is more potent and toxic by surface and conduction block?

Bupivacaine Signup and view all the answers

Which type of local anesthetic is associated with a high risk of hypersensitivity reactions?

Ester LAs Signup and view all the answers

Which type of local anesthetic is more stable in solution and metabolized in the liver?

Amide LAs Signup and view all the answers

Which main unwanted effect is associated with local anesthetics?

CNS effects Signup and view all the answers

Local Anesthetics Quiz

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Questions and Answers

Which type of local anesthesia involves direct injection into tissues to reach nerve branches?

What is an advantage of local anesthesia over general anesthesia?

Which is a property of an ideal local anesthetic?

Which chemical class of local anesthetics is linked by -COO?

Which local anesthetic is classified as an amide linked LA?

What is the main unwanted effect of local anesthetics?

Which type of local anesthesia involves arrest of blood flow?

Which local anesthetic has a long duration of action?

What is the mechanism of action of local anesthetics?

Which type of local anesthesia involves nose and mouth but not skin?

Which local anesthetic is classified as an ester linked LA?

Which type of surface anesthetic is hydrolyzed by plasma esterase and metabolized in the liver?

Which type of local anesthetic is known for its longer duration and more intense analgesia?

What is the mechanism of action of local anesthetics?

Which local anesthetic is also used as an antiarrhythmic?

Which vasoconstrictor is known to decrease the rate of vascular absorption and improve the depth of anesthesia?

Which local anesthetic has low aqueous solubility?

Which local anesthetic is characterized by rapid onset and a duration of action for 2 hours?

Which local anesthetic is more potent and toxic by surface and conduction block?

Which type of local anesthetic is associated with a high risk of hypersensitivity reactions?

Which type of local anesthetic is more stable in solution and metabolized in the liver?

Which main unwanted effect is associated with local anesthetics?

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