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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