All of the statements concerning local anesthetic needles are true EXCEPT one. Which one is the EXCEPTION?
A) The term gauge refers to the diameter of the lumen of the needle
B) The weakest portion of the needle is at its hub
C) Larger needles provide more reliable aspirations
D) Disposable needles will not normally become dull for at least 10 insertions
E) Larger needles should be employed when a greater risk of positive aspiration exists
Correct Answer:
Verified
Q7: Tissues with higher pH will cause:
A)Rapid hydrolysis
Q8: The two stages of an action potential
Q9: The maximum safe dose of 2% carbocaine
Q10: All of the statements concerning local anesthetic
Q11: Local anesthetic agents prevent depolarization by:
A)Blocking the
Q13: Lidocaine is metabolized primarily in the:
A)Liver
B)Kidney
C)Plasma
D)Bloodstream
Q14: It takes 2 minutes to deliver 1.8
Q15: Complete the sentence with the MOST accurate
Q16: The purpose of aspirating before injecting a
Q17: How does a nerve conduct an impulse?
A)By
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