blood physiology

Question 1

what type of blood is usually extracted for samples ?

Answer 1

venous blood

Question 2

what is the normal range of pH of blood?

Answer 2

7.35-7.45 (slightly alkaline)

Question 3

what is the average blood volume in a healthy adult ?

Answer 3

5-6 L in males And 4-5 L in females

Question 4

what are the regulatory functions of blood ?

Answer 4

maintaining normal pH in body tissues

maintaining adequate fluid volume (blood proteins prevent excessive fluid loss from the blood stream into tissue spaces )

maintaining appropriate body temperature

Question 5

what are the formed elements of blood ?

Answer 5

erythrocytes ( RBCs)
leukocytes (WBCs)
and platelets

Question 6

how much blood volume does plasma represent ?

Answer 6

55%

Question 7

what is blood plasma mainly formed from ?

Answer 7

water (90%) and plasma proteins , also contains electrolytes and nutrients

Question 8

what is the most abundant plasma protein ?

Answer 8

albumin

Question 9

what is the total plasma protein in blood ?

Answer 9

7g/ dl

Question 10

what is the colloidal osmotic pressure of plasma proteins?

Answer 10

25mmHg

Question 11

what is colloidal osmotic pressure ?

Answer 11

pressure responsible for reabsorption

Question 12

what could decrease of albumin pressure be a result of ?

Answer 12

liver failure ( albumin is produced in the liver )

kidney failure or renal issues ( proteins will be lost in urine , which is abnormal )

Question 13

what is the most common globulin ?

Answer 13

y globulins which are antibodies ( igG , igA, ig M , ig E and , ig G