Ch. 21

15 terms by Sportygirl5152 

Ready to study?
Start with Flashcards

Create a new folder

Advertisement Upgrade to remove ads

True/False Questions

False

Lymph originates in blood capillaries that pick up tissue fluid.

True

Red bone marrow is the point of origin of all immune cells of the lymphatic system.

True

Mucous membranes prevent most pathogens from entering the body because of the stickiness of the mucus and the presence of lysozymes.

False

Interferons are secreted in response to bacterial infections.

True

Pus is made of dead neutrophils, macrophages, and other tissue debris from damages tissue.

False

Pyrogens act by increasing the set point for body temperature in the thalamus.

False

The antigenicity of a molecule is due to specific regions of it called haptens.

True

Interleukins are chemical signals by which immune cells communicate with each other.

True

Helper T cells respond only to epitopes attached to MHC proteins.

True

Cytotoxic T cells respond only to antigens bound to MHC-I proteins.

False

Clonal selection of T cells happens in the thymus.

False

Naive T cells can synthesize antibodies

False

Humoral immunity takes care of intracellular viruses, whereas cellular immunity takes care of extracellular viruses.

False

Memory B cells are found circulating mainly in the lymph.

True

Some antibodies against foreign antigens can react to similar self-antigens causing an autoimmune disease.

Please allow access to your computer’s microphone to use Voice Recording.

Having trouble? Click here for help.

We can’t access your microphone!

Click the icon above to update your browser permissions above and try again

Example:

Reload the page to try again!

Reload

Press Cmd-0 to reset your zoom

Press Ctrl-0 to reset your zoom

It looks like your browser might be zoomed in or out. Your browser needs to be zoomed to a normal size to record audio.

Please upgrade Flash or install Chrome
to use Voice Recording.

For more help, see our troubleshooting page.

Your microphone is muted

For help fixing this issue, see this FAQ.

Star this term

You can study starred terms together

NEW! Voice Recording

Create Set