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AT 3358 > Lesson 1 Healing > Flashcards

Lesson 1 Healing Flashcards

1
Q

What are the cardinal signs of inflamation

A
  1. Heat
  2. Redness
  3. Pain
  4. Swelling
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2
Q

What is Functio Laesa?

A

Loss of function or purpose

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3
Q

List soft tissue, primary trauma healing phases (phase and duration)

A
  1. Inflammatory, 0-6 days
  2. Proliferative, 3-21 days
  3. Maturation/Remodeling, up to 1 year
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4
Q

What are the goals during the inflammatory stage?

A
  1. Defend against more injurys
  2. Dispose of dead tissue
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5
Q

List the mechanisms for stopping blood flow

A
  1. Local vasoconstriction for 10 minutes (slows blood flow)
  2. Release chemical mediators
  3. Coagulation
  4. Fibrin causes bloot clot
  5. Vasodilation enhances blood flow nad brings in neutrophils nad macrophages
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6
Q

What are free radicals?

A

Cell waste that is sharp and can cause internal damage

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7
Q

What stops free radicals?

A

Antioxidants

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8
Q

What happens in a antioxidant deficiency?

A

More swelling and inflamation can occure

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9
Q

What is secondary hypoxic injury?

A

When cells die when they can’t convers form aerobic to anaerobic

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10
Q

What is secondary enzymatic injury?

A

Enzymes are released from dead cells and affect nearby health cells

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11
Q

What is the edema formation?

A

Accumulation of the fluid portion of vlood in intersitial tissue

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12
Q

The venous end reabsorbs ____ of fluid and requires ___ to work.

A
  1. 2/3
  2. Nothing
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13
Q

The lymphatic end reabsorbs __ of fluid and requies ___ to work.

A
  1. 1/3
  2. Movement
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14
Q

The proliferative phase lasts ___ days and is replaced with ___.

A
  1. 3-21 days
  2. Scar tissue
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15
Q

What is the goal of the proliferative phase

A

Repair and regenerate tissue

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16
Q

What is the goal of the maturation pahase and how long does it last?

A
  1. Remodel fibrous matrix to form mature scar tissue.
  2. 3 weeks to 1 year
17
Q

What are the permeability changes?

A
  1. Allows the body to work more efficently and save O2
  2. Allows WBC to exit blood vessels anywhere for pahgocytosis.
18
Q

What are the collagen types?

A
  1. Type 3 - Immature, less elastic
  2. Typer 1 - Mature, more elastic

AT 3358 (7 decks)

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