PLTW PBS Unit 3.1 Exam Questions and Answers
Viruses - Answer-very tiny 'germs' of genetic material surrounded by a protein coat that cause disease
Bacteria - Answer-single-celled organisms that can be a harmful strain in the body including pneumonia, meningitis, and food poisoning.
Fungi - ...
Viruses - Answer-very tiny 'germs' of genetic material surrounded by a protein coat that
cause disease
Bacteria - Answer-single-celled organisms that can be a harmful strain in the body
including pneumonia, meningitis, and food poisoning.
Fungi - Answer-invades the tissue via spores and can cause disease that's confined to
the skin, spreads into tissue, bones, and organs, or affects the whole body.
Helminths - Answer-parasitic worms that can dwell in the GI track
Active immunity - Answer-Acquired following infection and recovery, or from a vaccine,
your body makes its own antibodies.
Passive immunity - Answer-Acquired from the mother. Antibodies are given to a child
through the placenta or through breast-feeding.
Innate immune system - Answer-tears, digestive enzymes, nasal mucosa and cilia,
phagocytes, cilia, stomach acid, normal flora, secretions
Vaccine - Answer-a weakened variant or derivative of a pathogen that stimulates a
host's immune system to mount defenses against the pathogen
B-cells - Answer-a type of white blood cell that functions in the humoral immunity
component of the adaptive immune system by secreting antibodies.
T-cells - Answer-one of the important white blood cells of the immune system that play a
central role in the adaptive immune response.
Mode of transmission - Answer-Indirect and direct
Portal of entry/exit - Answer-skin and mucous membranes, respiratory tract, urinary
tract, GI tract, reproductive tract, blood
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller Scholarsstudyguide. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $12.99. You're not tied to anything after your purchase.