Biobrane and Transcyte

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Which of the following is true about the zone of stasis?

It is the zone where microthrombi form within platelets.

It is the zone where injury is potentially reversible. (correct)

It is characterized by vasodilation and increased blood flow.

It is the zone where cell death occurs.

What is the main function of antibodies directed to receptors on neutrophils in the zone of stasis?

To promote the adherence of neutrophils to vessel walls.

To prevent microvascular occlusion and leukocyte-mediated endothelial injury. (correct)

To decrease the total burn surface area.

To induce vasoconstriction and decrease blood flow.

What is the zone of hyperemia characterized by?

Vasodilation and increased blood flow. (correct)

Vasoconstriction and decreased blood flow.

Endothelial swelling and neutrophil adherence.

Microthrombi formation within platelets.

What is the zone of adherence in reference to?

Anatomic regions within the body where skin and subcutaneous tissue are connected to the underlying fascia. Signup and view all the answers

What is the main objective of inhibiting CD18-mediated leukocyte adherence in the zone of stasis?

To prevent the infiltration of leukocytes. Signup and view all the answers

What is the potential consequence of excessive suctioning in the zone of adherence?

Contour deformities. Signup and view all the answers

Which of the following is NOT a characteristic of the zone of stasis?

Vasodilation and increased blood flow. Signup and view all the answers

What is the main objective of experiments involving the zone of stasis?

To decrease the total burn surface area. Signup and view all the answers

What is the consequence of injury in the zone of stasis?

Cell death. Signup and view all the answers

What is the main function of vasoactive mediators in the zone of hyperemia?

To cause vasodilation and increased blood flow. Signup and view all the answers

Which of the following is true about second-degree ptosis?

The nipple is located beneath the inframammary fold, but above the lowest level of the breast Signup and view all the answers

In patients with pseudoptosis, the nipple is located

Above the inframammary fold Signup and view all the answers

Which of the following is NOT a factor that determines the need for breast contouring following removal of breast implants?

Size of the areola Signup and view all the answers

Which of the following is NOT a characteristic of Poland syndrome?

Breast hypertrophy Signup and view all the answers

Which of the following factors will best determine the most appropriate next step in the management of a 48-year-old woman who recently underwent bilateral reduction mammaplasty and histologic evaluation of resected tissue shows findings consistent with invasive ductal carcinoma?

Initial tumor margins Signup and view all the answers

A 45-year-old woman is scheduled to undergo mastectomy of the right breast followed by reconstruction using a free TRAM flap. She has a 15 pack/year history of cigarette smoking. This patient is at increased risk for development of each of the following postoperative complications EXCEPT

Fat necrosis Signup and view all the answers

Which of the following is NOT a characteristic of the zone of hyperemia?

Decreased oxygenation Signup and view all the answers

Which of the following is NOT a characteristic of Biobrane?

It is a bioengineered dermal substitute Signup and view all the answers

Which of the following is a characteristic of Transcyte?

It is a synthetic epidermis Signup and view all the answers

Which of the following is a characteristic of Integra?

It consists of a nylon fabric containing chemically bound collagen Signup and view all the answers

Which of the following is the most appropriate management for a 16-year-old girl with rapid, asymmetric enlargement of the left breast, an 18-cm mass, ptosis, stretching of the nipple-areola complex, prominent and dilated veins, and skin ulceration superolateral to the nipple?

Enucleation Signup and view all the answers

Which of the following nerves primarily provides sensation to the nipple-areola complex?

Lateral cutaneous nerve from T4 Signup and view all the answers

Which of the following is NOT a significant risk factor for perioperative complications in patients undergoing free TRAM flap breast reconstruction?

Age over 50 Signup and view all the answers

Which of the following is a characteristic of the zone of hyperemia?

Vasodilation and increased blood flow Signup and view all the answers

What is the main objective of experiments involving the zone of stasis?

To limit burn depth Signup and view all the answers

What is the consequence of injury in the zone of stasis?

Cell death Signup and view all the answers

What is the potential consequence of excessive suctioning in the zone of adherence?

Contour deformities Signup and view all the answers

What is the zone of adherence in reference to?

Skin and subcutaneous tissue connected to underlying fascia Signup and view all the answers

What is the main function of antibodies directed to receptors on neutrophils in the zone of stasis?

To prevent microvascular occlusion Signup and view all the answers

Which of the following is true about the zone of stasis?

Formation of microthrombi within platelets occurs Signup and view all the answers

Which of the following is the most appropriate management for a 40-year-old woman with cyanosis of the right nipple one hour after undergoing bilateral breast reduction with removal of 1500 g of tissue on each side?

Release of the sutures Signup and view all the answers

Which of the following agents is NOT linked to gynecomastia?

Zolpidem (Ambien) Signup and view all the answers

Which of the following dressings should be applied to second-degree burns involving 10% total body surface area (TBSA) in order to provide antimicrobial activity?

Silver-coated wound dressing (Acticoat) Signup and view all the answers

Biobrane and Transcyte

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Questions and Answers

Which of the following is true about the zone of stasis?

What is the main function of antibodies directed to receptors on neutrophils in the zone of stasis?

What is the zone of hyperemia characterized by?

What is the zone of adherence in reference to?

What is the main objective of inhibiting CD18-mediated leukocyte adherence in the zone of stasis?

What is the potential consequence of excessive suctioning in the zone of adherence?

Which of the following is NOT a characteristic of the zone of stasis?

What is the main objective of experiments involving the zone of stasis?

What is the consequence of injury in the zone of stasis?

What is the main function of vasoactive mediators in the zone of hyperemia?

Which of the following is true about second-degree ptosis?

In patients with pseudoptosis, the nipple is located

Which of the following is NOT a factor that determines the need for breast contouring following removal of breast implants?

Which of the following is NOT a characteristic of Poland syndrome?

Which of the following factors will best determine the most appropriate next step in the management of a 48-year-old woman who recently underwent bilateral reduction mammaplasty and histologic evaluation of resected tissue shows findings consistent with invasive ductal carcinoma?

A 45-year-old woman is scheduled to undergo mastectomy of the right breast followed by reconstruction using a free TRAM flap. She has a 15 pack/year history of cigarette smoking. This patient is at increased risk for development of each of the following postoperative complications EXCEPT

Which of the following is NOT a characteristic of the zone of hyperemia?

Which of the following is NOT a characteristic of Biobrane?

Which of the following is a characteristic of Transcyte?

Which of the following is a characteristic of Integra?

Which of the following is the most appropriate management for a 16-year-old girl with rapid, asymmetric enlargement of the left breast, an 18-cm mass, ptosis, stretching of the nipple-areola complex, prominent and dilated veins, and skin ulceration superolateral to the nipple?

Which of the following nerves primarily provides sensation to the nipple-areola complex?

Which of the following is NOT a significant risk factor for perioperative complications in patients undergoing free TRAM flap breast reconstruction?

Which of the following is a characteristic of the zone of hyperemia?

What is the main objective of experiments involving the zone of stasis?

What is the consequence of injury in the zone of stasis?

What is the potential consequence of excessive suctioning in the zone of adherence?

What is the zone of adherence in reference to?

What is the main function of antibodies directed to receptors on neutrophils in the zone of stasis?

Which of the following is true about the zone of stasis?

Which of the following is the most appropriate management for a 40-year-old woman with cyanosis of the right nipple one hour after undergoing bilateral breast reduction with removal of 1500 g of tissue on each side?

Which of the following agents is NOT linked to gynecomastia?

Which of the following dressings should be applied to second-degree burns involving 10% total body surface area (TBSA) in order to provide antimicrobial activity?

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