Friday, July 18, 2014

1261-1270 MCQ in Facial Plastic and Reconstructive Surgery

1261-1270

1261) In tissue expanders, the INCREASE in skin surface area when the skin is under constant stress is RELATED to:

A. Visco-elasticity
B. Creep
C. Tension
D. Extensibility
E. Stress relaxation

1262) Which of the following statement regarding BIOLOGIC CREEP is FALSE?

A. It involves an overall increase in mitotic activity.
B. It involves a displacement of fluids and the collagen fibers are realign.
C. It involves alignment of collagen fibers into a randomly position.
D. It involves an increase in surface area.
E. It involves permanent changes in the microanatomy of tissue.

1263) Which of the following terminology is related to "a decrease in the force necessary on the skin when is held in a constant stretch over a given period of time" 

A. Viscoelasticity
B. Creep
C. Extensibility
D. Stress relaxation
E. Tension

1264) Which of the following anatomical areas is the BEST place for the application of  tissue expansion?

A. Nose
B. Cheek
C. Forehead
D. Neck
E. Ear

1265) Which of the following shape in tissue expansion is the ONE to achieve the MOST GAIN in the tissue surface area?

A. Square
B. Circular
C. Oval
D. Rectangular
D. Crescent

1266)  Which of following statements is TRUE regarding the INCISION/APPROACH represented in the picture (See drawing below)

A. It is a transcartilaginous incision
B. It is used as a delivery approach
B. It is commonly used in nasal dome division
C. It is used when major tip changes are required.
D. It is an ideal incision/approach to treat major nasal tip bulbosity

1267) Which of the following statements regarding tissue expanders is FALSE?

A. It is indicated in the treatment of post-traumatic alopecia
B. It is indicated in the treatment of male pattern baldness.
C. It is indicated in the management of a forehead giant melanocytic nevi.
D. It is indicated in the reconstruction of the auricular microtia
E. It is not indicated in previously irradiated areas.

1268) Which of following stages in tissue expansion is FALSE?

A. Selection of proper expander (base size 2,5 times the area for reconstruction)
B. Insertion
C. Progressive stages of expansion
D. Progressive stages of deflation
E. Removal with simultaneous reconstruction

1269) Which of the following statements regarding tissue expanders is TRUE?

A. Tissue expanders are made of silicone.
B. The base of the expander should be equal to 1 time the size area to be reconstructed.
C. The circular expanders provide the largest gain in surface area.
D. The tissue expanders are available  in two shapes: circular and rectangular
E. The integrated or internal injection port has more advantages compared to the external port.

1270) In the use of the tissue expanders the initial date to fill the implant should be

A. At least 2 weeks after placement
B. At least 4 weeks after placement
C  At least 6 weeks after placement
D. At least 8 weeks after placement
E. At least 10 weeks after placement




ANSWERS & REFERENCES


1261) B     Creep

Hoffmann J. F.: Tissue Expansion in Reconstruction of the Head and Neck, chapter 55 Facial Plastic and Reconstructive Surgery (Papel I.D., editor), Thieme, 2009, pp.745-756

Liang J., Sykes J. M.: Tissue Expanders, chapter 175, Head and Neck Otolaryngology (Bailey, editor), 2014, pp.:2849-2857


1262) B     It involves a displacement of fluids and the collagen fibers are realign.

Hoffmann J. F.: Tissue Expansion in Reconstruction of the Head and Neck, chapter 55 Facial Plastic and Reconstructive Surgery (Papel I.D., editor), Thieme, 2009, pp.745-756

Liang J., Sykes J. M.: Tissue Expanders, chapter 175, Head and Neck Otolaryngology (Bailey, editor), 2014, pp.:2849-2857


1263) D     Stress relaxation

Hoffmann J. F.: Tissue Expansion in Reconstruction of the Head and Neck, chapter 55 Facial Plastic and Reconstructive Surgery (Papel I.D., editor), Thieme, 2009, pp.745-756

Liang J., Sykes J. M.: Tissue Expanders, chapter 175, Head and Neck Otolaryngology (Bailey, editor), 2014, pp.:2849-2857


1264) C     Forehead

Hoffmann J. F.: Tissue Expansion in Reconstruction of the Head and Neck, chapter 55 Facial Plastic and Reconstructive Surgery (Papel I.D., editor), Thieme, 2009, pp.745-756

Liang J., Sykes J. M.: Tissue Expanders, chapter 175, Head and Neck Otolaryngology (Bailey, editor), 2014, pp.:2849-2857


1265) D     Rectangular

Hoffmann J. F.: Tissue Expansion in Reconstruction of the Head and Neck, chapter 55 Facial Plastic and Reconstructive Surgery (Papel I.D., editor), Thieme, 2009, pp.745-756

Liang J., Sykes J. M.: Tissue Expanders, chapter 175, Head and Neck Otolaryngology (Bailey, editor), 2014, pp.:2849-2857


1266) A      It is a transcartilaginous incision

Tardy Jr. M. E., Toriumi D. M., Hecht D. A.:Philosophy and Principles of Rhinoplasty, chapter 40 Facial Plastic and Reconstructive Surgery (Papel I.D., editor), Thieme, 2009, pp.507-528

1267) E      It is not indicated in previously irradiated areas

 Hoffmann J. F.: Tissue Expansion in Reconstruction of the Head and Neck, chapter 55 Facial Plastic and Reconstructive Surgery (Papel I.D., editor), Thieme, 2009, pp.745-756

Liang J., Sykes J. M.: Tissue Expanders, chapter 175, Head and Neck Otolaryngology (Bailey, editor), 2014, pp.:2849-2857


1268) D     Progressive stages of deflation.

Hoffmann J. F.: Tissue Expansion in Reconstruction of the Head and Neck, chapter 55 Facial Plastic and Reconstructive Surgery (Papel I.D., editor), Thieme, 2009, pp.745-756

Liang J., Sykes J. M.: Tissue Expanders, chapter 175, Head and Neck Otolaryngology (Bailey, editor), 2014, pp.:2849-2857

1269) A     Tissue expanders  are made of silicone.

Hoffmann J. F.: Tissue Expansion in Reconstruction of the Head and Neck, chapter 55 Facial Plastic and Reconstructive Surgery (Papel I.D., editor), Thieme, 2009, pp.745-756

Liang J., Sykes J. M.: Tissue Expanders, chapter 175, Head and Neck Otolaryngology (Bailey, editor), 2014, pp.:2849-2857


1270) A     At least 2 weeks after placement

Hoffmann J. F.: Tissue Expansion in Reconstruction of the Head and Neck, chapter 55 Facial Plastic and Reconstructive Surgery (Papel I.D., editor), Thieme, 2009, pp.745-756

Liang J., Sykes J. M.: Tissue Expanders, chapter 175, Head and Neck Otolaryngology (Bailey, editor), 2014, pp.:2849-2857



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Updated: March 19, 2018

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