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What is the correct answer?

4

Which agent is proven to accelerate wound healing?

A. vitamin A

B. vitamin C

C. zinc

D. none of the above

Correct Answer :

D. none of the above


none have been proven to accelerate wound healing.

Related Questions

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4

The timing of stitches removal does NOT depend on:

A. stitches material

B. patient`s chronic illnesses

C. patient`s medications

D. wound location

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4

Which wound(s) heal(s) first?

A. 10 cm long clean surgical wound

B. 22 cm long clean surgical wound

C. 4 cm infected wound

D. a & b

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4

Which statement is false regarding healing of clean wounds?

A. tensile strength is achieved in 3 weeks and increases up to 2 years

B. myofibroblasts promote wound contraction at the proliferative phase

C. type III collagen is gradually replaced by type I for remodeling

D. epithelialization is complete in 12 hrs. by bridge formation

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4

Which statement is false concerning scars and scabs?

A. a scab is a temporary crust of dried blood clot that forms to protect a damaged area of the skin

B. some scabs are disfiguring and warrant cosmetic repair

C. a scar is a permanent deposition of fibrous tissue to replace damaged or lost skin

D. scabs will fall off on their own

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4

What is the proper sequence of wound healing phases?

A. Inflammation, hemostasis, proliferative, maturation

B. hemostasis, proliferative, Inflammation, maturation

C. hemostasis, Inflammation, proliferative, maturation

D. Inflammation, proliferative, hemostasis, maturation

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4

Which of the following does NOT affect wound healing?

A. age

B. gender

C. medications

D. anemia

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4

The movement of an organism in response to a chemical stimulus is called:

A. chemokinesis

B. haptotaxis

C. necrotaxis

D. chemotaxis

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4

Which type(s) of collagen is (are) deposited during the proliferative phase of wound healing?

A. type I

B. type II

C. type III

D. type I & II

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4

What happens within hours of repairing a full-thickness surgical incision is:

A. wound contracture

B. primary intention wound healing

C. delayed primary wound healing

D. secondary intention wound healing

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4

What kind of cells initiates granulation of a lacerated wound left to heal by secondary intention?

A. myofibroblasts

B. macrophages

C. neutrophils

D. collagens

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4

Which agent is proven to accelerate wound healing?

A. vitamin A

B. vitamin C

C. zinc

D. none of the above

What is the correct answer?

4

Which statement is false concerning keloids and hypertrophic scars?

A. hypertrophic scars usually extend beyond the borders of the original wound

B. keloids are the result of an overgrowth of dense fibrous tissue that usually develops after healing of a skin injury

C. hypertrophic scars are characterized by erythematous, pruritic, raised fibrous lesions

D. treatment of either condition includes intralesional injections and/or excision

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4

What is the optimal time for delayed primary wound closure?

A. not before the second postoperative day

B. not before the third postoperative day

C. not before the fourth postoperative day

D. not before the fifth postoperative day

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4

When the bottom of a pressure sore wound turns red, that is an indicative of:

A. granulation tissue formation

B. necrotic tissue formation

C. sloughed tissue accumulation

D. presence of infection

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4

Which statement is false on comparing surgical sutures with staplers?

A. staplers carry the risk of foreign body ingestion in mentally impaired patients

B. sutures carry the risk of needle stick

C. staplers provide more meticulous skin approximation

D. suturing requires longer training

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4

Which wound closure device is preferred for mid-line laparotomy incision?

A. tissue adhesives (skin glue)

B. surgical tapes

C. sutures

D. staples

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4

What is the best statement describing hair removal before surgery?

A. to be 24 hrs. before surgery using electric hair clippers

B. to be immediately before surgery using electric hair clippers

C. to be 12 hrs. before surgery using a razor

D. to be immediately before surgery using a sticky tape

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4

What does delay wound healing in diabetics?

A. diabetic neuropathy

B. occurrence of infections

C. chronicity of diabetes

D. all of the above

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4

In which condition(s) does angiogenesis occur?

A. macular degeneration

B. tumor growth

C. healing of chronic ulcers

D. all of the above

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4

Which statement is false concerning scar contracture?

A. It is the last phase of primary wound healing

B. composed of dense collagen, thin-wall blood vessels

C. seen commonly in 2nd or 3rd- degree burns

D. it could lead to physical deformity and functional limitations