Dominic, a newborn, received antibodies from his mother through the placenta and breast milk. Which specific type of immunity is this?
Group of answer choices

active natural immunity

active immunization

passive natural immunity

innate immunity

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Question 21 pts
Based on the information in the previous question, you would expect Dominic's antibody levels to ___.
Group of answer choices

increase

decrease

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Question 31 pts
Dominic's sister Maddy recently received immune protection from a host of illnesses. However, her immunity was achieved via vaccination with a weakened form of a virus. Which type of immunity is this?
Group of answer choices

active artificial immunity

active natural immunity

passive artificial immunity

innate immunity

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Question 41 pts
Micah had mumps as a child. Now, as an adult, he has again been exposed to the mumps virus, but he did not experience any symptoms. Which answer explains why he did not come down with the mumps again?
Group of answer choices

You can never catch the same virus twice.

The mumps virus has mutated since his last exposure and is no longer infectious.

His body contains antibodies from his previous exposure, and his body was able to quickly fight off the infection.

His innate immune system is preventing infection.

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Question 51 pts
What type of immunity is present at birth and has no memory?
Group of answer choices

innate immunity

adaptive immunity

active natural immunity

None of the above. There is no immunity present at birth.

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Question 61 pts
Which cells are responsible for producing antibodies?
Group of answer choices

T Cells

Cytokines

B cells

antigen presenting cells

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Question 71 pts
The first responders to injury or infection are ___.
Group of answer choices

Natural Killer cells

Neutrophils

B cells

PAMPs