فسيو

Question 1

What is the function of arterial blood?

Answer 1

Arterial blood carries oxygen from the lungs to other tissues.

Question 2

What is the primary function of venous blood?

Answer 2

Venous blood carries CO2 and waste products from tissues to the lungs.

Question 3

What percentage of the human body weight does blood account for?

Answer 3

7%

Question 4

What is the normal blood volume in an average adult human?

Answer 4

Around 5 liters.

Question 5

What is the normal blood pH range?

Answer 5

7.35-7.45.

Question 6

What are the main components of human blood?

Answer 6

Plasma and formed elements (erythrocytes, leukocytes, thrombocytes).

Question 7

What proportion of whole blood do erythrocytes (RBCs) constitute?

Answer 7

45%.

Question 8

What is the life span of a mature red blood cell (RBC)?

Answer 8

120 days.

Question 9

Which organ degrades old red blood cells after their life span?

Answer 9

Spleen and kupffer cells in the liver.

Question 10

What do white blood cells (WBCs) do?

Answer 10

White blood cells are part of the immune system, destroying and removing old or aberrant cells and cellular debris, and attacking infectious and foreign agents.

Question 11

What are platelets responsible for in the blood?

Answer 11

Platelets are responsible for blood clotting (coagulation).

Question 12

What is the approximate volume of plasma in an average human?

Answer 12

2.7 - 3 liters.

Question 13

What is the color of plasma?

Answer 13

Straw-colored.

Question 14

What percentage of whole blood volume does plasma constitute?

Answer 14

55%.

Question 15

What materials are transported by plasma to cells?

Answer 15

Plasma transports materials like ions, glucose, amino acids, and urea.

Question 16

What percentage of plasma is composed of water?

Answer 16

92%.

Question 17

What are the main components of plasma proteins?

Answer 17

Serum albumin and a great variety of serum globulins.

Question 18

What are the functions of blood platelets?

Answer 18

Platelet factors initiate blood clotting and help minimize blood loss.

Question 19

What is the normal range of leukocytes (white blood cells) in the blood?

Answer 19

4,000 – 11,000 per cubic millimeter.

Question 20

What is the main function of leukocytes?

Answer 20

Leukocytes destroy invading microorganisms and cancer cells.

Question 21

What is the function of antibodies and other proteins in blood?

Answer 21

Antibodies and other proteins destroy pathogenic substances.

Question 22

What is the normal range of RBCs (red blood cells) in the blood for males?

Answer 22

5.2 million per cubic millimeter.

Question 23

What is the normal pH range of blood?

Answer 23

7.35-7.45.

Question 24

What materials are transported by blood between the lungs and the rest of the body?

Answer 24

Blood transports oxygen (O2) and carbon dioxide (CO2) between the lungs and the rest of the body.

Question 25

What is the role of blood in regulating core body temperature?

Answer 25

Blood helps regulate core body temperature.

Question 26

What are the main functions of blood platelets?

Answer 26

Platelet factors initiate blood clotting and help minimize blood loss.

Question 27

What is the composition of serum, and how does it differ from plasma?

Answer 27

Serum is plasma without clotting factors and contains serum proteins, including serum albumin and a variety of serum globulins.