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Flashcards in Exam 2 Deck (133)
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1

Is hyperemia an active or passive processes that results from arteriolar dilation and increased blood flow

active process

2

What is a passive process resulting from impaired outflow of venous blood from a tissue

congestion

3

What involves the morphemic appearance associated with chronic passive congestion

nutmeg liver

4

True or false; edema is the result of an increase in hydrostatic pressure of diminished colloid osmotic pressure

true

5

Reduced cardiac output lead to hypo perfusion of the kidneys which stimulates retention of what ion

sodium

6

Peau d'orange is associated with which what?

Lymphatic obstruction

7

Dependent edema is most pronounced in what region of an individual

sacral region

8

Low platelet counts in the blood (thrombocytopenia) or vitamin C deficiency commonly causes the development of what

Petechiae (small red spots)

9

Activated thrombin stimulates the formation of an insoluble

fibrin clot

10

True or false; hematoma is likely to cause iron deficiency anemia

false

11

Platelets come into contact with von willebrand factor (vWF) following what?

endothelial injury

12

What converts fibrinogen into fibrin during the coagulation cascade

thrombin

13

Endothelial injury, abnormal blood flow, hyper coagulability all the 3 parts of what

Virchow's triad

14

A mutation of ___________ deactivates an important anti-thrombotic mechanism and predisposes individuals with this mutation to excessive thrombus formation

Factor V

15

Late stage metastatic neoplasia and smoking are examples of what

secondary hyper coagulability

16

True or false; mutations are associated with primary hyper coagulability

true

17

What is the most common location for the development of venous thrombi

lower extremity (femoral vein in thigh)

18

Thrombi on the valves of the heart are termed

Valvunar vegetations

19

True or false; arterial thrombi are most common at the site of turbulence, and venous thrombi are most common at the site of stasis

true

20

Approximately how much of deep vein thromboses (DVT) are asymptomatic

50%

21

What is the most common cause of perinatal material death in the US

Amniotic fluid embolism

22

Most systemic emboli arise within the what

heart

23

What activités is most likely to be associated with the development of an air embolism

suba diving

24

True or false; the presence, or absence, of an alternative blood supply is the most important factor in determining whether occlusion of an individual vessel will cause tissue infarction

true

25

What is the most common cause of death in intensive care units

cardiogenic shock

26

What two kinds of shock cause cool, clammy, cyanotic skin

hypovolemic shock
cardiogenic shock (most common cause of death in ICU)

27

True or false; cutaneous vasoconstriction causes skin coolness and pallor during the non-progessive stage of shock, because reflex compensatory mechanisms are still working

true

28

True or false; most young individuals who suffer from hypovolemic shock will survive

true

29

True or false; injurious immune reactions are grouped under hypersensitivity reaction, and involve inappropriately targeted or inadequately controlled immune response

true

30

Approximately how much of the population is allergic to common environmental antigens (pollen, animal dander, or dust mites)

20%