Healing

Which of the following is the final stage of the response of tissue to injury?

• A) Inflammation

• B) Healing

• C) Scarring

• D) Regeneration

The capacity of a tissue for regeneration depends on its ______ ability.

• Inflammatory

• Proliferative

• Degenerative

• Regenerative

What is the process called when a wound heals with both epithelial regeneration and repair by scarring?

• Healing by first intention

• Healing by second intention

• Healing by third intention

• Healing by fourth intention

Fill in the blank: In the healing of a wound by first intention, the movement of epithelial cells across the wound occurs within ____.

• A) 2-3 hours

• B) 2-3 days

• C) 10-14 days

• D) Weeks

What occurs in the early stage of healing by second intention?

• Formation of a scab

• Cavity fills with blood and fibrin clot

• Epithelial covering complete

• Collagen arranged horizontally.

In the process of healing by second intention, the contraction of wound size is due to the action of ______.

• Epithelial cells

• Myofibroblasts

• Neutrophils

• Macrophages

What is the main cause of wound contraction?

• Myofibroblasts

• Collagen

• Epithelium

• Keloid

The formation of excess collagen causing marked swelling at the site of the wound is known as ______.

• Contracture

• Keloid

• Epithelium

• Myofibroblasts

What is the end result of wound healing, chronic inflammation, and organization?

• Fibrosis

• Necrosis

• Calcification

• Regeneration

Fill in the blank: The deficiency of _______ can lead to failure of proper collagen synthesis with delayed healing and weak scars.

• Vitamin C

• Vitamin D

• Calcium

• Iron