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Large clusters of lymph nodes occur in all of the following locations EXCEPT the:

Which of the following best describes the qualities of most pathogenic antigens?

All of the following are normal plasma proteins EXCEPT:

Explain inspiration in terms of volume and pressure changes. (3pts)

Select all that apply: Which of the following are characteristics of the adaptive immune system.

We classify the adaptive response as either cell mediated (cytotoxic T cells) or humoral (B cells) based on where they attack pathogens. What is the difference between cell mediated vs humoral?

The normal average temperature of blood is 

Most absorption takes place in the small intestine. Since structure and function go together, identify three features of the small intestine that make it ideal for the absorption of nutrients. (3pts)

CO (carbon monoxide) is an odorless, colorless toxic gas that forms from incomplete combustion of hydrocarbons. CO has a very high affinity for hemoglobin in that it binds over 1000x more tightly to hemoglobin in the RBCs than oxygen. With this in mind explain how CO is a poisonous gas in terms of external respiration, internal respiration and oxygen carrying capacity of RBCs.

Joe is playing in an intramural football game when he is tackled so hard he breaks a rib.  He can actually feel a piece of rib sticking through the skin, and he is having a difficult time breathing.  Joe is probably suffering from: