ch 12

Where are the tonsils located:

A) throat

The lymph organ that programs T cells and functions at peak levels only during youth is the:

A) thymus

The thymus gland is most active during:

B) adolescence

What structure carries lymph into a lymph node:

B) afferent lymphatic vessel

Which one of the following is NOT one of the nonspecific body defenses:

B) antibody production

The adaptive (specific) defense system:

B) issues an attack specific to particular foreign substances

Which lymphatic organ's major job is to destroy worn-out red blood cells and return some of

B) spleen

Lymph from the left arm returns to the heart through the:

B) thoracic duct

The lymph tissues found within the walls of the small intestine are called:

C) Peyer's patches

The process by which neutrophils are squeezed through the capillary walls during the

C) diapedesis

The body's first line of defense against the invasion of disease-causing microorganisms is:

C) skin and mucous membranes

Lymph in the right leg rejoins blood flow in the:

C) subclavian veins

Which one of the following is NOT a mechanism that aids lymph return

C) the pumping action of the heart

Which lymphoid tissues trap and remove bacteria entering the throat:

C) tonsils

Which one of the following is NOT one of the four most common indicators of the

D) fever

Mucosa-associated lymphatic tissue (MALT) includes:

D) tonsils, the appendix, and Peyer's patches

Lymph is largely composed of water that has escaped from:

E) blood