what is the normal WBC count
4500-10000
What is passive immunity?
Examples: moms breastmilk, antibodies passed through the placenta, immunoglobin therapy
True or False: A primary immune defeciency may affect T cells and/or B cells?
True
What transplant reaction can occur within mintues or hours after transplantation?
hyperacute
If a patient has a WBC less than 4500, what does this mean?
That they are immunocompromised or which means they can get sick easier. Also called leukopenia.
What is active immunity?
Antibodies that are in your body by either getting sick (covid) and creating antibodies or getting a vaccine and having antibodies.
What are some cause of primary immune deficiencies?
-may result from defects in WBC's
Which transplant reaction can occur after months of transplantation?
chronic
What does a WBC greater than 10000 mean for the patient?
What is a primary immune response?
When someone gets sick for the first time and it takes at least 3 days to fight off the infection.
What are some causes of secondary immune deficiencies?
-cancer therapies
-trauma,stress, environmental factors
Which transplant reaction occures weeks after transplantation?
acute
Where does T cells mature and what do they help fight off?
In the Thymus gland and they help to fight off cancer cells.
What is a secondary immune response?
The body has already been exposed to the infection and it only takes 24hrs to fight it off.
Which transplant reaction is the worse and why?
Chronic
-this takes months to occur and by time the patient has come back to the hospital because of the rejection they are already in organ failure.
Where does B cells mature and what do they help fight off?
In the Bone marrow and they help to fight off other infections like viruses and bacteria.
What are two functions of the lymphoid system?
-filters foreign products
-helps with fighting infection