NURS 497 Exam Study Questions and
Answers
What is Innate immunity? - ANSWER✔✔-Physical barriers like the skin.
Is inflammation part of the innate or adaptrive immune system? - ANSWER✔✔-Its part of the innate
sytem
What is the third line of defense of the human body? - ANSWER✔✔-Adaptive immune system
What are antigens? - ANSWER✔✔-markers that our boddies recognize as invaders
What are antibodies? - ANSWER✔✔-Part of our body the recognize antigens.
Are antibodies proteins? - ANSWER✔✔-Yes
Role of B-cells? - ANSWER✔✔-They are for surveillance and produces antibodies
Role of T-cells? - ANSWER✔✔-They are the Heavy guns of the immune system.
Whats the role of IgM - ANSWER✔✔-first responder to a new infection
What does IgM evolve into? - ANSWER✔✔-IgG
What does IgG do? - ANSWER✔✔-Recognize old infection and has a quick and specific response
What does IgE do? - ANSWER✔✔-Shows up during an infection from a parasite
Another name for immunoglobulins? - ANSWER✔✔-Antibodies
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Till what week do fetus not have any innate IgM? - ANSWER✔✔-Week 8
When do kids have full levels of IgM? - ANSWER✔✔-2 years of age?
Why is it important to know the levels of IgM in infants? - ANSWER✔✔-It shows how immuno
compromise kids are at that age.
Why do babies respond slower to infection? - ANSWER✔✔-Their immune system is immature and are
weak in comparison to adults.
What type of presentation are fevers to new borns? - ANSWER✔✔-Late presentation
What does that entail to healtcare providers when discussing infection in babies? - ANSWER✔✔-We
have a small period of time to intervene
Critereas of babies having weaker immune system? - ANSWER✔✔-Lower stomach pH, less dense skin,
less nose hair, immature defense system like IgM.
Can pre-2 years olds receive vaccines or live vaccines? - ANSWER✔✔-No, they might have a severe
reaction due to the immature immune system
Why cant babies regulate their temperature as well as adults? - ANSWER✔✔-Their surface area to
volume ratio sides is more liked to surface area.
What does it mean when babies have lethargy, poor feeding, irritability, poor reflex and cooler body
temp, and pale mottled skin? - ANSWER✔✔-Signs of infection before a fever.
What does tripod+ drooling mean? - ANSWER✔✔-Airways are closing
Is fever temperature in older adults higher or lower in comparison to normal adults? - ANSWER✔✔-It is
lower in grade.
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