22
Path Jeopardy Cellular Responses

Cellular Responses. 1111 2222 3333 4444 5555 What are the four components of repair? Angiogenesis Migration and proliferation of fibroblasts Deposition

Embed Size (px)

Citation preview

Path JeopardyCellular Responses

Path is Lots O’ Fun

1 1 1 1

2 2 2 2

3 3 3 3

4 4 4 4

5 5 5 5

Topic 1: 1 point• What are the four

components of repair?

• Angiogenesis• Migration and proliferation of

fibroblasts• Deposition of ECM• Remodeling

Topic 1: 2 points• By 3-5 days of tissue repair, what

specialized tissue appears?

Granulation Tissue

Topic 1: 3 points• What are the two major

factors that induce angiogenesis?

• bFGF (basic fibroblast growth factor)• VEGF (vascular endothelial growth

factor)

Topic 1: 4 points• What are the three phases of cutaneous

wound healing?

InflammationProliferationMaturation

Topic 1: 5 points

This is the simplest type of cutaneous wound repair; healing of a clean, uninfected surgical incision that is then approximated by surgical sutures

Healing by primary intention; primary

union

Topic 2: 1 point

This type of cell replaces neutrophils around 48-96 hours during tissue repair

Macrophage

Topic 2: 2 points

This is the most important fibrogenic agent in cell proliferation

TGF-B

Topic 2: 3 points

What are the factors that influence wound healing?

NutritionMetabolic statusCirculatory status

Hormones Infection

Mechanical factorsForeign bodies

Size, location, and type of wound

Topic 2: 4 points

Excessive formation of collagen that develops following thermal or traumatic injury can give rise to this

Hypertrophic Scar

Topic 2: 5 pointsThe signaling mechanism by which the cells

respond to the signaling molecules that they themselves secrete

Autocrine Signaling

Topic 3: 1 pointThis signaling mechanism occurs when one cell

type produces the ligand and then acts on adjacent target cells that express the appropriate receptor

Paracrine signaling

Topic 3: 2 pointsThis signaling mechanism occurs when hormones

synthesized by cells of endocrine organs act on target cells distant from their site of synthesis

Endocrine signaling

Topic 3: 3 points

These receptors transmit signals into the cell through trimeric GTP-binding proteins, contain seven transmembrane α-helices, and constitute the largest family of plasma membrane receptors

G-Protein Coupled Receptors

Topic 3: 4 points

This type of growth occurs by enlargement of the lobes of the liver that remain after the operation

Compensatory growth or compensatory hyperplasia

Topic 3: 5 pointsThis is the most abundant glycoprotein in the

basement membrane and it contains binding domains for both ECM and cell surface receptors

Laminin

Topic 4: 1 point

This substance provides resilience and lubrication to connective tissue (notably for the cartilage in joints) and its concentration increases in inflammatory diseases

Hyaluronan

Topic 4: 2 pointsThese are represented by pale platelet and fibrin deposits

alternating with darker red cell-rich layers. It signifies that a thrombus has formed in flowing blood

Lines of Zahn

Topic 4: 3 pointsThese are thrombi on heart valves

resulting from blood-borne bacteria or fungi

Vegetations

Topic 4: 4 pointsThese are the consequences of shock

The consequences are impaired tissue perfusion and cellular hypoxia

Topic 4: 5 pointsThis lesion in the maternal pulmonary

microvasculature contains squamous cells, lanugo hair, fat from vernix caseosa, and mucin

Amniotic Fluid Embolism