Which of the following anesthetics has the longest duration of action after an infiltration?
a. lidocaine
b. mepivicaine
c. articaine
d. benzocaine
c. Articaine 4% with epinephrine 1:100,000 or 1:200,000 has the longest duration of action (soft tissue) of 190 minutes. Lidocaine's duration is 170 minutes, and mepivicaine 2% is 130 minutes. Benzocaine is administered topically.
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The pain associated with skeletal fractures is transmitted by nerves in the:
A) epiphysis. B) yellow bone marrow. C) osteoclasts. D) periosteum.
Good Samaritan laws provide immunity (exemption from being sued) from lawsuits.
Answer the following statement true (T) or false (F)
The spermatic cord in the male follows the inguinal canal and contains the following structures, EXCEPT:
A. spermatic fascia C. lymph vessels B. lymph nodes D. cremaster muscle
Older records of former patients
A) need to be kept in the physician's office indefinitely. B) can be stored in a clean, dry storage space. C) can be destroyed after 5 years. D) need to be kept in the physician's office for at least 7 years.