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
1
©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
2
©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
3
©JOSHCLAY 2024/2025. YEAR PUBLISHED 2024.
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
1
©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
2
©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
3
©JOSHCLAY 2024/2025. YEAR PUBLISHED 2024.
