HEMA LAB EXAMS Flashcards
What is the greak word of blood?
Haima
What is the greek word of study or science
Logos
What provides for the analysis of normal and pathogenic peripheral blood cells, hematopoetic tissue, and the cells in non-vascular body cavities such as CSF and serous fluid?
Clinical laboratory hematology
Who describe worms in the blood in 1657?
Anthanasius Kircher
Who discovered erythocytes? What year?
Swammerdam, in 1658
Anton Van Leeuwenhoek described what in 1674?
Human erythrocytes
What year did platelets were described?
1842
Who distinguished PMN from other leukocytes in 1846?
Wharton Jones
First complete classification of leukocytes by.. ? In .. ?
Ehrlich, 1879
Development of ___ stain in 1902 by __?
Wrights stain, by James Homer Wright
In what year was Hematology considered as a branch of science from clinical medicine and pathology?
1920
A life sustaining unit. Carries oxygen and nutrients to the tissues and waste products to the lungs, liver, and kidney.
Blood
55% of the total blood. It is the liquid portion of unclotted blood?
Plasma
Consists of platelets and leukocytes, <1% of the total blood.
Buffy coat
45% of the total blood
Erythrocytes
The fluid that remains after coagulation?
Serum
Blood is in fluid?
In vivo
It coagulates in 5-10 mins
Blood, In vitro
Thick and viscous, ___ times thicker than water
3.5 - 4.5 times
Makes up ___ % of the total body component or 60 - 80ml/kg
6-8%
Blood is approximately __ gms solid per 100mL
20 gms
Total blood volume (TBV) for an adult male?
5-6L
Total blood volume (TBV) for an adult female?
4-5L
Total blood volume (TBV) for a newborn?
250 - 350mL
Normal pH of blood?
7.35 - 7.45 (ave of 7.40)
pH of:
Venous blood __
Arterial blood __
7.35
7.45
Specific gravity of whole blood?
1.045 - 1.066
SG of serum?
1.024 - 1.028
SG of plasma?
1.025 - 1.029
Ratio of the density of a substance to the density of a reference substance
Blood specific gravity or specific gravity
Measures acidity and basicity of an aqueous solution
pH
Color of:
Arterial blood ___
Venous blood ___
Bright red
Dark purplish red
Pulmonary arteries and veins color
W/ O2:
W/o O2:
Purple
Blue
Device used for measurement of osmolality
Osmometer
Concentration of solutes dissolved in the blood
Osmolality
Reference range for osmolality
281 - 297 milli-osmoles per kg
Give atleast 3 function of blood
Respiratory, nutritional, excretory, buffering action, maintenance of constant body temp, transportation of hormones and other endocrine secretion, body defense mechanism
What does OSHA stand for?
Occupational Safety and Health Administration
When did OSHA took effect?
March 6, 1992
What are the bloodborne pathogens?
HIV, HBV, HCV, Syphilis, Malaria