11/16/2024 10:16 AM
BN507 - Module 13 – Blood Exam Questions
With Correct Answers
Outline the overall functions of blood - answer✔Transportation, Regulation & Prevention
What is blood transporting? - answer✔Nutrients, Respiratory gases, waste products, hormones
and various proteins
What is blood regulating? - answer✔Body temperature, fluid volume, pH Balance
What is blood preventing? - answer✔blood loss, infection
Outline constituents of plasma? - answer✔Plasma proteins, nutrients, electrolytes, respiratory
gases and hormones
What are the formed elements in blood? - answer✔RBCs (erythrocytes)
WBCs (leukocytes)
Platelets (thrombocytes)
Outline the process of haematopoiesis? - answer✔All body cells form from one stem cell and
then are formed into different type of blood cells. RBC's are formed in red bone marrow
continuously
Describe general structure and function of RBC's (erythrocytes) - answer✔Biconcave, no
nucleus, contains Haemoglobin, lacks organelles, transports 02 and CO2
Outline the lifecycle of erythrocytes - answer✔Live for 120 days when they are worn out, they
split into the heme and globin portions.
2. globin is broken down into amino acids, which is reused to synthesise new proteins
3. Iron removed from heme and stored in liver or bound to transferrin
4. The remainder of Heme is degraded into bilirubin which goes through the metabolic process
via the liver /small intestine/kidney for elimination
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