EXAM 1 - BIOS255 CHAMBERLAIN with
complete solutions to pass
Plasma consists of - correct answer ✔✔water, proteins, nutrients, hormones, oxygen, carbon
dioxide, electrolytes
plasma is ___ percent of blood - correct answer ✔✔55%
buffy coat - correct answer ✔✔composed of white blood cells and platelets
Viscosity - correct answer ✔✔resistance of fluid to flow
osmolarity - correct answer ✔✔dissolved particles in the blood that cannot pass through the
blood vessel wall
If you need to examine antibodies against a virus in a patient, which part of the blood will you
need? - correct answer ✔✔plasma
albumin - correct answer ✔✔smallest and most abundant plasma protein
viscosity and osmolarity
what do albumins influence - correct answer ✔✔blood pressure, flow, and fluid balance
globulins - correct answer ✔✔alpha, beta, gamma
provide immune system functions
, fibrinogen - correct answer ✔✔help form blood clots
RBCs (erythrocytes) count - correct answer ✔✔4.2-6.2 million uL
WBCs (leukocytes) count - correct answer ✔✔5000-10,000 uL
platelet count - correct answer ✔✔130,000-360,000/uL
A normal hematocrit is ___ of the total blood volume - correct answer ✔✔37-52%
The myeoblast cell line gives rise to which mature blood cells? - correct answer ✔✔Neutrophils
and basophils
Where does hematopoiesis take place in adults? - correct answer ✔✔red bone marrow
The biconcave formed elements that lack mitochondria and a nucleus are called - correct
answer ✔✔red blood cells
Why do red blood cells have a biconcave shape? - correct answer ✔✔allows to carry oxygen
efficiently
red blood cells are formed in the - correct answer ✔✔red bone marrow
to make an RBC you need - correct answer ✔✔EPO; amino acids; iron; vitamin B12
hemoglobin is made up of - correct answer ✔✔2 alpha and 2 beta
heme and globin
complete solutions to pass
Plasma consists of - correct answer ✔✔water, proteins, nutrients, hormones, oxygen, carbon
dioxide, electrolytes
plasma is ___ percent of blood - correct answer ✔✔55%
buffy coat - correct answer ✔✔composed of white blood cells and platelets
Viscosity - correct answer ✔✔resistance of fluid to flow
osmolarity - correct answer ✔✔dissolved particles in the blood that cannot pass through the
blood vessel wall
If you need to examine antibodies against a virus in a patient, which part of the blood will you
need? - correct answer ✔✔plasma
albumin - correct answer ✔✔smallest and most abundant plasma protein
viscosity and osmolarity
what do albumins influence - correct answer ✔✔blood pressure, flow, and fluid balance
globulins - correct answer ✔✔alpha, beta, gamma
provide immune system functions
, fibrinogen - correct answer ✔✔help form blood clots
RBCs (erythrocytes) count - correct answer ✔✔4.2-6.2 million uL
WBCs (leukocytes) count - correct answer ✔✔5000-10,000 uL
platelet count - correct answer ✔✔130,000-360,000/uL
A normal hematocrit is ___ of the total blood volume - correct answer ✔✔37-52%
The myeoblast cell line gives rise to which mature blood cells? - correct answer ✔✔Neutrophils
and basophils
Where does hematopoiesis take place in adults? - correct answer ✔✔red bone marrow
The biconcave formed elements that lack mitochondria and a nucleus are called - correct
answer ✔✔red blood cells
Why do red blood cells have a biconcave shape? - correct answer ✔✔allows to carry oxygen
efficiently
red blood cells are formed in the - correct answer ✔✔red bone marrow
to make an RBC you need - correct answer ✔✔EPO; amino acids; iron; vitamin B12
hemoglobin is made up of - correct answer ✔✔2 alpha and 2 beta
heme and globin
