PNB 2265 Exam 1ACTUAL UPDATED QUESTIONS AND CORRECT ANSWERS
what are the components of blood? plasma, red blood cells, white blood cells, platelets
blood functions transportation (nutrients, waste, gases), regulation (pH, temperature), protection
(part of immune system)
, buffy coat a thin light colored layer of white blood cells and platelets than lie between a top
layer of plasma and red blood cells (B)
plasma liquid portion of blood (A)
- 46-63% of blood
formed elements red blood cells, white blood cells, platelets (D)
- 37-54% of blood
hematocrit the ratio of the volume of red blood cells to the total volume of blood (C)
CBC (complete blood count) A test which measures the amount of red blood cells, white blood cells and
platelets in a person.
types of leukocytes neutrophils, eosinophils, basophils, lymphocytes, monocytes
HIV A virus that attacks and destroys the helper T lymphocytes of the human immune
system, making affected individuals more susceptible to other diseases
CBC + Differential A test which provides specific count of individual types of WBCs along with other
blood elements
what does a high eosinophil count mean? parasitic infection
RBC morphology Biconcave disk: Increases surface area available for oxygen diffusion and
flexibility of cell structure.
what are the components of blood? plasma, red blood cells, white blood cells, platelets
blood functions transportation (nutrients, waste, gases), regulation (pH, temperature), protection
(part of immune system)
, buffy coat a thin light colored layer of white blood cells and platelets than lie between a top
layer of plasma and red blood cells (B)
plasma liquid portion of blood (A)
- 46-63% of blood
formed elements red blood cells, white blood cells, platelets (D)
- 37-54% of blood
hematocrit the ratio of the volume of red blood cells to the total volume of blood (C)
CBC (complete blood count) A test which measures the amount of red blood cells, white blood cells and
platelets in a person.
types of leukocytes neutrophils, eosinophils, basophils, lymphocytes, monocytes
HIV A virus that attacks and destroys the helper T lymphocytes of the human immune
system, making affected individuals more susceptible to other diseases
CBC + Differential A test which provides specific count of individual types of WBCs along with other
blood elements
what does a high eosinophil count mean? parasitic infection
RBC morphology Biconcave disk: Increases surface area available for oxygen diffusion and
flexibility of cell structure.
