Blood Bank Laboratory Technician Mock Interview
Master 30 Blood Bank Laboratory Technician interview questions covering crossmatching, antibody identification, and critical transfusion scenarios.
Question 14 of 30
What changes may occur in blood due to aging?
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Darby Faubion has been a Nurse and Allied Health Educator for over 20 years. She has clinical experience in several specialty areas, including pediatrics, medical-surgical, critical care, and hospice.
"The hemoglobin concentration, red blood cell count, and hematocrit value began to decrease in men around their 60's and in women in 70's. The white blood cell count and platelet count tend to decrease with age, as well, which makes older patients more susceptible to infection and bleeding disorders."
Darby Faubion has been a Nurse and Allied Health Educator for over 20 years. She has clinical experience in several specialty areas, including pediatrics, medical-surgical, critical care, and hospice.
"The rise in fibrinogen is the most common and significant change in blood during aging because it contributes to a rise in plasma viscosity, red blood cell aggregation and a rise in blood viscosity at low shear rates. Increased age is associated with a state of hypercoagulation of blood, making older people more susceptible to clot formation and atherosclerosis."
Darby Faubion has been a Nurse and Allied Health Educator for over 20 years. She has clinical experience in several specialty areas, including pediatrics, medical-surgical, critical care, and hospice.
As with all body systems, changes in blood also occur as a body ages. Understanding changes in blood are important when specimens are collected and being prepared to be stored. Knowing what changes can be expected with age is helpful in educating patients and in recognizing potential issues that may arise with a specimen.Share your knowledge of changes that may occur.
Darby Faubion has been a Nurse and Allied Health Educator for over 20 years. She has clinical experience in several specialty areas, including pediatrics, medical-surgical, critical care, and hospice.
"Since aging causes a reduction in total body water, blood volume decreases due to less fluid being present in the bloodstream. The number of red blood cells, and the corresponding hemoglobin and hematocrit levels, are reduced which contributes to fatigue in the individual."
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