General Characteristic of Blood

Question 1

The discipline that studies the development and disease of blood and is an essential medical science.

Answer 1

Hematology

Question 2

Average blood volume of male

Answer 2

5-6 liters

Question 3

Average blood volume of female

Answer 3

4-5 liters

Question 4

Solid portion of blood per 100mL

Answer 4

20 grams

Question 5

___ formed elements
___ fluid portion

Answer 5

45% formed elements
55% liquid portion

Question 6

Composition of the 55% liquid portion of blood

Answer 6

90% water and 10% proteins, carbohydrates, salts, hormones and other substances

Question 7

Three layers of buffy coat

Answer 7

Upper layer- platelets
Middle layer- agranulocytes (monocytes, lymphocytes)
Lower layer- granulocytes, nRBC

Question 8

Blood pH

Answer 8

7.35-7.45
(average 7.40)

Question 9

Blood specific gravity
a. whole blood
b. serum
c. plasma

Answer 9

a. whole blood= 1.045-1.066
b. serum= 1.024-1.028
c. plasma= 1.025-1.029

Question 10

a. arterial blood
b. venous blood

Answer 10

a. oxygenated- bright red
b. deoxygenated- dark purplish red

Question 11

a. pulmonary artery
b. pulmonary vein

Answer 11

a. deoxygenated- dark purplish red
b. oxygenated- bright red

Question 12

The concentration of solutes that dissolves in the blood

Answer 12

Osmolality

Question 13

Volume of blood that contributes to the body weight

Answer 13

75-85ml per kilogram of body weight or 7-8% of total body weight

Question 14

Functions of blood
CLUE: Rmt Na si Edcel, But Me has Too much Blood

Answer 14

Respiratory, Nutrition, Excretory, Buffering action, Transportation of hormones and other endocrine secretions, Maintaining constant body temperature, Body defense mechanism