EXAM 1 WITH CORRECT ANSWERS
Plasma consists of - CORRECT ANSWERS- water, proteins, nutrients,
hormones, oxygen, carbon dioxide, electrolytes
plasma is ___ percent of blood - CORRECT ANSWERS- 55%
buffy coat - CORRECT ANSWERS- composed of white blood cells and
platelets
Viscosity - CORRECT ANSWERS- resistance of fluid to flow
osmolarity - CORRECT ANSWERS- dissolved particles in the blood that
cannot pass through the blood vessel wall
A normal hematocrit is ___ of the total blood volume - CORRECT ANSWERS-
37-52%
The myeoblast cell line gives rise to which mature blood cells? - CORRECT
ANSWERS- Neutrophils and basophils
Where does hematopoiesis take place in adults? - CORRECT ANSWERS- red
bone marrow
, The biconcave formed elements that lack mitochondria and a nucleus are
called - CORRECT ANSWERS- red blood cells
Why do red blood cells have a biconcave shape? - CORRECT ANSWERS-
allows to carry oxygen efficiently
red blood cells are formed in the - CORRECT ANSWERS- red bone marrow
to make an RBC you need - CORRECT ANSWERS- EPO; amino acids; iron;
vitamin B12
hemoglobin is made up of - CORRECT ANSWERS- 2 alpha and 2 beta
heme and globin
iron in the center of hemoglobin helps to beind - CORRECT ANSWERS-
molecular oxygen
If you need to examine antibodies against a virus in a patient, which part of
the blood will you need? - CORRECT ANSWERS- plasma
albumin - CORRECT ANSWERS- smallest and most abundant plasma protein
viscosity and osmolarity
what do albumins influence - CORRECT ANSWERS- blood pressure, flow, and
fluid balance