Addition Info

Question 1

Alveolar system in the lungs

Answer 1

1. Oxygenates venous blood
2. Removes carbon dioxide from blood

Question 2

Lower airway function

Answer 2

conduction of air
mucociliary clearance
production of pulmonary surfactant

Question 3

Lower airway components

Answer 3

Trachea
Right and left mainstem bronchi
Segmental bronchi
Terminal bronchioles

Question 4

Surfactant

Answer 4

chemical produced in the lungs to maintain the surface tension of the alveoli and keep them from collapsing

Question 5

Pleura

Answer 5

the serous membrane covering the lungs (visceral) and lining the thoracic cavity (parietal)

Question 6

Phases of wound healing

Answer 6

Hemostasis
Inflammatory
Proliferation
Maturation

Question 7

Hemostasis Phase

Answer 7

immediately after injury
blood vessels constrict blood clotting begins
exudate is formed causing swelling and pain
platelets stimulate other cells to migrate

Question 8

Inflammatory Phase

Answer 8

lasts 2-3 days
white blood cells move to wound
macrophages enter wound and remain extended time- they ingest debris and release growth factors that attract fibroblasts to fill in wound
pt has generalized body repsonse

76 / 81

Question 9

Proliferation Phase

Answer 9

lasts several weeks
new tissue is built through fibroblasts
capillaries grow across wound
thin layer of epithelial cells form
granulation tissue forms foundation for scar tissue development

Question 10

Maturation Phase

Answer 10

begins 3 weeks after injury
Collagen is remodeled
new collagen tissue is deposited, which compresses blood vessels = scar

Question 11

Scar

Answer 11

flat, thin, white line; avascular collagen tissue that does not sweat, grow hair, or tan