18 Questions
What are platelets responsible for?
Repairing damaged blood vessels and providing growth factors for healing and repair
Which leukocyte type is efficient against bacteria and contains lyszyme and defensins to breakdown membranes and walls?
Neutrophils
What is the primary function of basophils?
Intensifying the inflammatory response
What is the most common leukocyte type?
Neutrophils
Which disorder involves an abundance of leukocytes that do not function properly?
Leukemia
What is the primary function of natural killer cells?
Provide non-specific immunity against foreign cells or body cells that don’t express 'self' proteins
What is the normal percentage saturation of hemoglobin with oxygen?
95-100%
What is the main function of erythrocytes?
Carrying oxygen
What is the molecule in red blood cells that can hold one oxygen molecule?
Hemoglobin
What happens to old red blood cells after they have lived for about 120 days?
Iron is stored or recycled
Which nutrient facilitates the synthesis of heme in red blood cells?
Folate
In what genetic disorder does hemoglobin assume a sickle shape at low oxygen concentrations?
Sickle cell disease
What is the main function of white blood cells in the blood?
Defending the body against pathogens
What is the composition of the buffy coat in blood?
White blood cells and platelets
Which component of blood is responsible for drawing in water from tissues?
Albumin
Where does the production of red blood cells (erythrocytes) primarily occur?
Red bone marrow
What is the main function of thrombopoietin in the blood?
Stimulates development of platelets
What is the purpose of a bone marrow biopsy as mentioned in the text?
To detect forms of anemia and/or cancer
Test your knowledge on the composition and functions of blood, including the types of blood cells and plasma, transportation of nutrients and waste, defense mechanisms, and homeostasis regulation.
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