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Final Lab Exam EXSC 224 Questions with 100% Correct Answers | Rated A+
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Final Lab Exam EXSC 224 Questions with 100% Correct Answers | Rated A+ What is blood made up of? - 55% plasma, 45% formed elements What are formed elements? - RBC, WBC, platelets Name the functions of blood - transports nutrients to body cells and brings waste from cells transports hormones ...

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  • December 23, 2024
  • 17
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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Final Lab Exam EXSC 224 Questions

with 100% Correct Answers | Rated A+


What is blood made up of? - ✔✔55% plasma, 45% formed elements

What are formed elements? - ✔✔RBC, WBC, platelets

Name the functions of blood - ✔✔transports nutrients to body cells and

brings waste from cells

transports hormones

regulates body temperature

protects the body from pathogens

clotting to prevent blood loss

Eryhtocytes - ✔✔red blood cells (RBC)

transport O2 and CO2

Leukocytes - ✔✔white blood cells (WBC)

provide defense and immunity

Name the 5 types of leukocytes (most abundant to least abundant) -

✔✔neutrophils, lymphocytes, monocytes, eosinophils, basophils

basophils - ✔✔release histamines and inflammatory markers

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©JOSHCLAY 2024/2025. YEAR PUBLISHED 2024.

,contain heparin (anticoagulant)

eosinophils - ✔✔kills parasitic worms

complex role in allergies and asthma

neutrophils - ✔✔phagocytize pathogens and debris

monocytes - ✔✔develop into macrophages in tissues to phagocytize

pathogens and debris

lymphocytes - ✔✔immune response that attacks cell or produces

antibodies

platelets - ✔✔seal small tears in blood vessels; essential for blood clotting

How much of the blood's volume is plasma? - ✔✔55%

What is plasma primarily composed of ? - ✔✔90% water

What does plasma contain? - ✔✔Salts

Plasma proteins (albumin, fibrinogens, globulins)

nutrients

metabolic waste

gases

hormones

Salts (electrolytes) in plasma function - ✔✔provide osmotic and pH balance



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©JOSHCLAY 2024/2025. YEAR PUBLISHED 2024.

, Plasma proteins - ✔✔Produced in the liver and secreted into the blood

stream (specifically at hepatic vein)

Plasma protein function - ✔✔transport hormones, fatty acids, and other

substances through the blood stream

Albumin - ✔✔osmotic balance

Fibrinogens - ✔✔clotting

Globulins - ✔✔antibodies and lipid transport

How does plasma maintain homeostasis? - ✔✔by releasing heat

How much of blood volume is hematocrit? - ✔✔40-45%

Hematocrit function - ✔✔transport oxygen from the lungs to the cells of the

body

Where are RBC produced? - ✔✔inside bones in red bone marros of

spongy bone

RBC production area examples - ✔✔vertebrae

sternum

ribs

pectoral girdle

pelvic girdle



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©JOSHCLAY 2024/2025. YEAR PUBLISHED 2024.

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