1071-1080 MCQ Facial Plastic and Reconstructive Surgery

1071-1080

1071) Which of the following statements related to the NORMAL periocular relationships is FALSE?

A. The vertical palpebral aperture is 8 mm.
B. The upper lid crease is 10 mm above the lashes.
C. The horizontal palpebral aperture 34 mm.
D. The lateral canthal has an acute angle.
E. The lacrimal punctal position is not visible.

1072) Which is the LASER OF CHOICE in the treatment of port-wine stain (PWS)?

A. Argon laser
B. KTP (Potassium-titanyl-phosphate laser)
C. PDL (Pulsed dye laser)
D. Copper vapor/bromide laser
E. APTDL (Argon-Pumped Tunable Dye Laser)

1073) Which of the following Cyanoacrylate is THE ONLY ONE approved in the United Sates?

A. Methyl 2-cyanoacrylate
B. Ethyl 2-cyanoacrylate
C. Isobutyl-cyanoacrylate
D. 2-cyano-butyl-acrylate
E. 2-octyl cyanoacrylate

1074) Which of the following statement is FALSE regarding local anesthetics for facial plastic procedures?

A. Procaine is an esther anesthetic.
B. Lidocaine is an amide anesthetic.
C. All local anesthetics have 3 components: an aromatic portion, an intermediate chain, and an amine group.
D. The intermediate chain is composed of either an ester or an amide linkage.
E. Ester anesthetics are rarely associated with allergic reactions.

1075) Which of the following local anesthetic agents is NOT metabolized by the liver?

A. Procaine
B. Lidocaine
C. Bupivacaine
D. Mepivacaine
E. Ropivacaine

1076) You are excising an scar by the fusiform ellipse technique. The excision line is 1 cm wide. What is the value of "X" representing the LENGTH of the fusiform incision?

A. 1 cm
B. 2 cm
C. 3 cm
D. 4 cm
E. 5 cm

1077) Which of the following is FALSE regarding Bupivacaine?

A. It is an amide anesthetic.
B. Its anesthetic effect lasts longer than lidocaine.
C. Its pain at injection site is more intense than lidocaine.
D. The maximum recomended dose of bupicaine without epinephrine is 1-2 mg/kg.
E. It is not cardiotoxic.

1078) Which of the following anesthetic has been associated with METHEMOGLOBINEMIA?

A. Prilocaine
B. Ropivacaine
C. Bupivacaine
D. Cocaine
E. Tetracaine

1079) In which of the following sites is metabolized the Mepivacaine local anesthetic agent?

A. Plasma
B. Liver
C. Kidney
D. Lung
E. Spleen

1080) Which of the following local anesthetic agents has the LONGEST duration of action?

A. Lidocaine
B. Mepivacaine
C. Bupivacaine
D. Tetracaine
E. Prilocaine

ANSWERS & REFERENCES

1071) A     The vertical palpebral aperture is 8 mm.

Zdinat L. A: Patient Evaluation n, Otolaryngologic Clinics of North America, , (Bosniak S.L., editor), Vol. 38, No. 5, October 2005, pp. 857-869

1072) C     PDL (Pulsed dye laser)

Mioc S., Mycek M.A: Selected Laser-based Therapies in Otolaryngology, Otolaryngologic Clinics of North America, , (Meyers A. D., editor), Vol. 38, No. 2, October 2005, pp. 241-2540

1073) E      2-octyl cyanoacrylate

Flock S. T., Marchitto K. S.: Progress Towards Seamless Tissue Fusion for Wound Closure, Otolaryngologic Clinics of North America, , (Meyers A. D., editor), Vol. 38, No. 2, October 2005, pp. 295-305

1074) E     Ester anesthetics are rarely associated with allergic reactions.

Kock R, J., Hanasono M. M..: Aesthetic Facial Analysis, chapter 16 in Facial Plastic and Reconstructive Surgery, (Papel, I. D., editor), Third edition, Thieme, 2009 pp. 177-188

1075) A     Procaine

http://www.emedicine.com/derm/topic824.htm

1076) C     3 cm

Miller P. J., Constantinides M.: Simple and Serial Excisions, Scar Revision and Camouflage, ( Wang T. D, editor), Facial Plastic Clinics of North America, Vol. 6, No. 2, May 1998, pp. 141-147

1077) E     It is not cardiotoxic.

http://www.emedicine.com/emerg/topic761.htm

1078) A     Prilocaine

Ahlstrom K.K., Frodel J. L.: Local Anesthetics for Facial Plastic Procedures in Otolaryngologic Clinics of North America, Office-Based Procedures in Facial Plastic, Vol. 35, No. 1, Feb. 2002, pp. 29-53

http://www.emedicine.com/emerg/topic761.htm

1079) B     Liver

Ahlstrom K.K., Frodel J. L.: Local Anesthetics for Facial Plastic Procedures in Otolaryngologic Clinics of North America, Office-Based Procedures in Facial Plastic, Vol. 35, No. 1, Feb. 2002, pp. 29-53

http://www.emedicine.com/ent/topic20.htm

1080) C     Bupivacaine

Ahlstrom K.K., Frodel J. L.: Local Anesthetics for Facial Plastic Procedures in Otolaryngologic Clinics of North America, Office-Based Procedures in Facial Plastic, Vol. 35, No. 1, Feb. 2002, pp. 29-53

http://www.emedicine.com/ent/topic20.htm