Chapter 12 exam review
The thymus is most active during
Adolescence
What structure carries lymph into a lymph node
Afferent lymphatic vessel
Which is NOT one of the nonspecific body defenses?
Antibody production
Where is the thymus located?
Beneath sternum overlying heart
Lymph is largely composed of water that has escaped from
Blood
The adaptive (specific) defense system
Issues an attack specific to particular foreign substances
Lymph from the left arm returns to the heart through the
Left subclavian vein
The right lymphatic duct collects lymph from the
Right arm
The body's first line of defense against the invasion of disease-causing microorganisms is
Skin and mucous membranes
What lymphoid organ stores platelets and acts as a blood reservoir?
Spleen
Which lymphatic organ's major job is to destroy worn-out red blood cells and return some of the products to the liver
Spleen
Which is NOT a mechanism that aids lymph return to the heart?
The pumping action of the heart
Which lymphoid tissues trap and remove bacteria entering the throat?
Tonsils
Mucosa-associated lymphatic tissues (MALT) includes the
Tonsils, appendix, & peyer's patches
The lymph tissues found within the walls of the small intestine are called
Peyer's patches