CLS 111 Exam 1 Arizona College Questions and Answers Rated A+
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Course
CLS 111
Institution
CLS 111
CLS 111 Exam 1 Arizona College
Questions and Answers Rated A+
What is the primary function of blood in the human body?
The primary function of blood is to transport oxygen, nutrients, and waste products
throughout the body.
What are platelets, and why are they important?
Platelets are cel...
CLS 111 Exam 1 Arizona College
Questions and Answers Rated A+
What is the primary function of blood in the human body?
✔✔The primary function of blood is to transport oxygen, nutrients, and waste products
throughout the body.
What are platelets, and why are they important?
✔✔Platelets are cell fragments that help in blood clotting, preventing excessive bleeding when
injuries occur.
How does hemoglobin facilitate oxygen transport?
✔✔Hemoglobin binds to oxygen in the lungs and releases it to tissues, making it essential for
oxygen transport.
What is the role of white blood cells in the immune system?
✔✔White blood cells protect the body by identifying and destroying pathogens like bacteria and
viruses.
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, Why is it necessary to perform blood typing before transfusions?
✔✔Blood typing ensures compatibility between donor and recipient, preventing harmful
immune reactions during transfusions.
What is the difference between serum and plasma?
✔✔Plasma contains clotting factors, while serum is plasma without the clotting proteins, used in
lab tests.
How do centrifuges help in laboratory testing?
✔✔Centrifuges separate blood components, such as plasma, red blood cells, and white blood
cells, by spinning at high speeds.
What is the importance of universal precautions in the lab?
✔✔Universal precautions prevent the spread of infections by treating all bodily fluids as
potentially infectious.
What is a Complete Blood Count (CBC), and why is it performed?
✔✔A CBC measures the number of red blood cells, white blood cells, platelets, and hemoglobin
to assess overall health and detect conditions like anemia or infection.
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