(P) Week 2: Hematopoiesis PART 1 Flashcards
Characteristics of Blood
How many liters of blood do women usually have?
5L
Characteristics of Blood
How many liters of blood do men usually have?
6 liters
Characteristics of Blood
About how many percent of a human’s body weight is comprised by blood?
7-8%
Characteristics of Blood
how many percent of the blood is comprised of the fluid portion?
55%
Characteristics of Blood
type of fluid obtained from a blood sample in an EDTA tube?
plasma
Characteristics of Blood
type of fluid from a blood sample from a gold cap tube
serum
Characteristics of Blood
what does plasma have that serum lacks?
fibrinogen and other clotting factors
Characteristics of Blood
Which specific clotting factors does serum lack?
clotting factors I, V, VIII, and XIII
Characteristics of Blood
What is the normal range for blood pH?
7.35 to 7.45
Characteristics of Blood
If pH<7.35
acidosis
Characteristics of blood
If pH>7.45
alkalosis
Characteristics of Blood
How many ml of oxygen is carried per gram of hemoglobin?
1.34ml
pertains to general blood production
hematopoiesis
refers to RBC production
erythropoiesis
the production of WBC
leukopoiesis
Platelet production is called?
megakaryopoiesis
Enumerate the three periods of hematopoiesis
- Mesoblastic
- Hepatic
- Myeloid
what does the mesoblastic period produce?
primitive / embryonic RBC
When does the mesoblastic period begin?
19th-20th day of gestation
when does the mesoblastic period end?
before 3rd month of gestation
What is the source of blood during the mesoblastic period?
yolk sac
What is the type of Hgb during the mesoblastic period
Gower 1 and 2
Portland
What are produced during the hepatic period?
RBC, WBC, and platelets
When does the hepatic period start?
5th to 6th week of gestation