If a patient is experiencing urticaria and itching following contact with poison sumac, what type of reaction is the patient experiencing?
A) Anaphylactoid reaction
B) Anaphylaxis
C) Normal response
D) Allergic reaction
Ans: D) Allergic reaction
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A group of organisms of the same species that live together in the same place make up a(n) ____
a. cell b. ecosystem c. tissue d. population e. biosphere
What mechanical and blood flow events occur in left ventricle during the T wave? What valves open or close and why?
What will be an ideal response?
What is the proteinaceous infectious agent of scrapie called?
a. a virus b. a viroid c. a bacterium d. a prion e. a parasite
Living as a member of a group may have all of the following advantages except what?
A. More individuals scan the environment for dangers B. Increased feeding rate C. Being more resistant to disease and parasites D. Greater protection from predators E. Members learn about new food sources from other members