Tuesday, April 13, 2010

411-420 MCQ in Facial Plastic and Reconstructive Surgery

411-420

411) What is the total dose of botulinum Exotoxin A (Botox) USUALLY injected to the area indicated by the drawing?

A. 5
B. 30
C. 40
D. 50
E. 60

412) What is the LEAST wait time required prior to reinjection with Botox for persistent hyperfunctional lines?

A. 4 days
B. 7 days
C. 14 days
D. 21 days
E. 1 month

413) Which of the following is FALSE regarding Botox injections?

A. No injection should be performed within 1 cm of the lateral orbital rim.
B. No injection should be performed within 1 cm of the superior border of the eyebrow.
C. Starting dose for frontalis rhytids and crow’s feet is 2.5 units per 0.1 cm3.
D. Electromyography localization is required in all patients.
E. Most patients will maintain their improvement for 4 months.

414) Which of the following statements regarding the effects of chemical peeling is FALSE?

A. Milia will often resolve with normal cleansing of the face.
B. Erythema is not a complication but an expected result lasting for approximately 15 days.
C. Prolonged erythema may be treated with topical steroids.
D. The areas with a lesser tendency for scarring are the zygomatic arch, the jawline and the chin.
E. Hyperpigmentation can be treated with hydroquinone.

415) Mineral oil is BEST used to neutralize chemical peeling with:

A. Trichloroacetic Acid (TCA)
B. Glycolic acid
C. Baker-Gordon phenol
D. Salicylic acid
E. Jessner’s solution

416) In which layer of the skin are the “melanocytes” found?

A. The basal cell layer
B. The prickle cell layer
C. The granular cell layer
D. The stratum lucidum layer
E. The stratum corneum layer

417) Which of the following is TRUE regarding the effects of aging?

A. The epidermis appears thicker.
B. Epidermal replacement is increased .
C. Collagen synthesis and collagen skin content increase.
D. Fibrocytes decrease.
E. Elastic fibers in the reticular dermis decrease and in the papillary dermis increase.

418) The corpuscles of “Vater-Pacini” mediate the sensation of :

A. Pain
B. Itching
C. Temperature
D. Touch
E. Pressure

419) Transient lid ptosis can be treated by eye drops causing CONTRACTION of the:

A. Orbicularis oculi muscle
B. Septum
C. Müller muscle
D. Levator palpebrae superioris
E. Levator aponeurosis

420) Which of the following is the BEST treatment for the correction of dynamic brow asymmetry in a young lady of 40 years with normal position of the frontal hairline and no visible horizontal creases in the forehead?

A. Coronal Forehead Lift
B. Pretrichial Lift
C. Direct brow Lift
D. Endoscopic brow lift
E. No surgical management


ANSWERS & REFERENCES


411) B     30

Blitzer A., Binder W. J., Brin M.F.: Botulinum Exotoxin A (Botox) for Facial Wrinkles, Chapter 23 in Facial Plastic and Reconstructive Surgery, (Papel, editor) Thieme, Second Edition, p. 265, 2002

Meyer T. K., Blitzer A.: Botulinum Toxin for Facial Wrinkles, Chapter 30 in Facial Plastic and Reconstructive Surgery, (Papel, editor) Thieme, Third Edition, p. 372, 2009

Carruthers J., Fagien S., Matarasso S.L., and the Botox Consensus Group, Consensus Recommendations on the Use of Botulinum Toxin Type A in Facial Aesthethics, Plastic Reconstruction Surgery, 114 (6), 2004, 1S-22S

412) C     14 days

Blitzer A., Binder W. J., Brin M.F.: Botulinum Exotoxin A (Botox) for Facial Wrinkles, Chapter 23 in Facial Plastic and Reconstructive Surgery, (Papel, editor) Thieme, Second Edition, p. 266, 2002

Meyer T. K., Blitzer A.: Botulinum Toxin for Facial Wrinkles, Chapter 30 in Facial Plastic and Reconstructive Surgery, (Papel, editor) Thieme, Third Edition, p. 376, 2009

413) D     Electromyography localization is required in all patients.

Lovice D.: Botulinum Toxin use in Facial Plastic Surgery, Office-Based procedures in Facial Plastic Surgery, Otolaryngologic Clinics of North America, Vol. 35, No. 1, 2002, pp. 171-185

Meyer T. K., Blitzer A.: Botulinum Toxin for Facial Wrinkles, Chapter 30 in Facial Plastic and Reconstructive Surgery, (Papel, editor) Thieme, Third Edition, pp. 369-377, 2009

414) D     The areas with a lesser tendency for scarring are the zygomatic arch, the jawline and the chin.

Mendelsohn J. E..: Update on Chemical Peeling, Office-Based procedures in Facial Plastic Surgery, Otolaryngologic Clinics of North America, Vol. 35, No. 1, 2002, pp. 69-71

415) C     Baker-Gordon phenol

Mandy S. H., Monheit G.D.: Dermabrasion and Chemical Peels, Chapter 20, in Facial Plastic and Reconstructive Surgery, (Papel, editor) Thieme, Second Edition, pp. 238-239, 2002

Mandy S. H., Monheit G.D.: Dermabrasion and Chemical Peels, Chapter 25 in Facial Plastic and Reconstructive Surgery (Papel, editor), Thieme, Third Edition, pp. 301-320, 2009

416) A     The basal cell layer

Bennett R. G.: Anatomy and Physiology of the Skin, Chapter 1, in Facial Plastic and Reconstructive Surgery, (Papel, editor) Thieme, Second Edition, pp. 5-7, 2002

Bennett R. G.: Anatomy and Physiology of the Skin, Chapter 1, in Facial Plastic and Reconstructive Surgery, (Papel, editor) Thieme, Third Edition, pp. 3-14, 2009

417) D     Fibrocytes decrease

Bennett R. G.: Anatomy and Physiology of the Skin, Chapter 1, in Facial Plastic and Reconstructive Surgery, (Papel, editor) Thieme, Second Edition, pp. 7-9, 2002

Bennett R. G.: Anatomy and Physiology of the Skin, Chapter 1, in Facial Plastic and Reconstructive Surgery, (Papel, editor) Thieme, Third Edition, pp. 3-14, 2009

418) E     Pressure

Bennett R. G.: Anatomy and Physiology of the Skin, Chapter 1, in Facial Plastic and Reconstructive Surgery, (Papel, editor) Thieme, Second Edition, pp. 5-7, 2002

Bennett R. G.: Anatomy and Physiology of the Skin, Chapter 1, in Facial Plastic and Reconstructive Surgery, (Papel, editor) Thieme, Third Edition, pp. 3-14, 2009

419) C     Müller muscle

Blitzer A., Binder W. J., Brin M.F.: Botulinum Exotoxin A (Botox) for Facial Wrinkles, Chapter 23 in Facial Plastic and Reconstructive Surgery, (Papel, editor) Thieme, Second Edition, pp. 264-265, 2002

Meyer T. K., Blitzer A.: Botulinum Toxin for Facial Wrinkles, Chapter 30 in Facial Plastic and Reconstructive Surgery, (Papel, editor) Thieme, Third Edition, pp. 369-377, 2009

420) E     No surgical management

Adamson P. A., Constantinides M. S.: Complications of Blepharoplasty, Blepharoplasty, Facial Plastic Surgery Clinics of North America, Vol. 3 No. 2, 1995, p.217

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Updated: June 1, 2017

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