Blood Physiology exam with verified answers

Blood Physiology exam with verified answers

What are the 2 main divisions of blood and their percentage of whole blood?
- ....🔰VERIFIED ANSWERS.... ✔✔1. Blood Plasma- 55%
2. Formed Elements- 45%


What are the 3 formed elements in blood? - ....🔰VERIFIED ANSWERS....
✔✔1. Erythrocytes
2. Leukocytes
3. Platlets


Define Hematocrit - ....🔰VERIFIED ANSWERS.... ✔✔packed cell volume of
erythrocytes; % of RBCs in total blood volume


What is the primary component of Blood Plasma? - ....🔰VERIFIED
ANSWERS.... ✔✔Blood Plasma is 90% *water*


What are the 3 main plasma proteins? - ....🔰VERIFIED ANSWERS.... ✔✔1.
Albumin
2. Globulins
3. Fibrinogen


What are the two main functions of Albumin - ....🔰VERIFIED ANSWERS....
✔✔1. binds to many substances (including water, cations and hormones)
2. contributes most to colloidal osmotic pressure

, What are the 3 types of Globulins and their function? - ....🔰VERIFIED
ANSWERS.... ✔✔1. Alpha- transport water soluble substances including
clotting factors and inactive precursor molecules
2. Beta- (similar to Alpha)
3. Gamma- are antibodies


Describe Fibrinogen - ....🔰VERIFIED ANSWERS.... ✔✔Fibrinogen is an
inactive precursor for fibrin, fibrin meshes together during clotting


What makes up the last 2-4% of blood plasma? - ....🔰VERIFIED ANSWERS....
✔✔Organic substances such as electrolytes, nutrients, gases, waste products
and hormones


How many erythrocytes are in 1 ml of blood? - ....🔰VERIFIED ANSWERS....
✔✔5 billion


How are erythrocytes different than other cells of the body? - ....🔰VERIFIED
ANSWERS.... ✔✔They contain no nucleus or organelles


Explain the structure of the erythrocytes and how it assists in function - ....🔰
VERIFIED ANSWERS.... ✔✔1. Erythrocytes are a *biconcave disk* which
provide a larger surface area for the diffusion of O₂.
2. Thinness of cell enable O₂ to diffuses rapidly. 1µm in center, 2µm around
3. Doesn't contain nucleus or organelles so that it can maximize oxygen
capacity