Blood Physiology Flashcards Preview

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Flashcards in Blood Physiology Deck (30):
1

components of heme

protoporphyrin IX and Fe2

2

Where is iron mostly absorbed?

Duodenum

3

Last stage of RBC with a nucleus

Orthochromatic Erytrhoblast

4

Form of RBC released to the blood

Reticulocytes

5

Lifespan of fetal RBC

90 days

6

Fate of heme in destroyed RBCs

Bilirubin

7

1st line of defense

Innate immunity

8

Lifespan of granulocytes

4-8 hours in blood
4-5 days in tissues

9

Most common WBC

Neutrophils

10

Bilobed nucleus, stain bright red with eosin dye

Eosinophils

11

Lifespan of platelets

7-10 days

12

WBC involved in adaptive immunity

Lymphocytes

13

Movement of neutrophils and macrophages out of the circulatory system and into the site of injury

Diapedesis

14

What substance is released by mast cells that cause vasodilation and increased vascular permeability

Histamine

15

What portion of antibodies are determines specificity to antigen

Variable portion

16

Smallest Ig

IgG

17

Ig able to cross placenta

IgG

18

Largest Ig and present on all uncomitted B cells

IgM

19

Complement for opsonization

C3b

20

Complement that is chemotactic to WBCs

C5a

21

Membrane Attack complex

C5b-C9

22

Which T cells are capable of creating perforins

cytotoxic T cell

23

Type D antigen is widely prevalent

Rh

24

Responsible for platelet adhesion

vWF
Glycoprotein 1b

25

Factor X is also known as

Stuart Prower factor

26

Calcium is also Factor _____

IV

27

Most crucial event in wound healing

Hemostasis

28

Steps in would healing

Hemostasis >> Inflammation >> Proliferation >> Maturation

29

First event in hemostasis

Vasoconstriction

30

Most abundant of blood cells

RBC