29 Questions
What is the function of white blood cells (WBC) in the body?
Protecting the body from external and internal threats like bacteria and viruses
What is the main component of plasma in the blood?
Mostly water and 7% proteins
What is the purpose of the hematocrit test?
To assess the percentage of red blood cells (erythrocytes) in blood
What gives blood its bright red color when oxygenated?
The reaction of hemoglobin with oxygen
What can decrease coagulation and is often recommended to treat cardiovascular disease?
Aspirin
What is the Rh blood group based on the presence or lack of?
Antigens
What can save the life of a fetus or baby if an Rh negative mother conceives a second Rh positive child?
RhoGAM
Which blood type is considered the universal donor in an emergency?
O negative
Which protein is responsible for transporting fatty acids and steroid hormones?
Albumin
What is the main function of an erythrocyte?
Oxygen and carbon dioxide transport
Which protein is important for clotting?
Fibrinogen
What is the main function of hemoglobin?
Oxygen and carbon dioxide transport
What causes the regeneration of blood cells in the red marrow?
Hemopoietic growth factor
Which cells lead towards immunity from disease?
Lymphocytes
What is the main function of a pulse oximeter?
Measuring oxygen saturation in blood
What causes sickle cell anemia?
The shape of the erythrocyte is changed
Which condition is characterized by a shortage of RBC stem cells?
Aplastic anemia
What can lead to vitamin deficient anemia?
Insufficient absorption of B12 or folate
What is responsible for stimulating erythrocyte production?
Erythropoietin
Which protein is made of 4 proteins and 4 irons, and attaches to oxygen for transport?
Hemoglobin
What is the main function of leukocytes?
To protect the body
Which type of leukocytes are the quick responders and attack bacteria well?
Neutrophils
What is the function of basophils in the body?
Intensifying inflammation
Which leukocyte is involved in specific immunity and can produce antibodies?
Lymphocyte
What is the main function of platelets?
Helping in blood clotting
What causes thrombosis?
Too much clotting
Which pathway of coagulation is caused by trauma and is quicker?
Extrinsic pathway
What is the role of von Willebrand factor in the process of blood clotting?
Securing the platelet plug
What are plasma anticoagulants responsible for?
Limiting clotting or helping stop clotting
Test your knowledge about leukocytes, also known as white blood cells, which play a crucial role in protecting the body from infections. This quiz covers their characteristics, behavior, and types.
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