The integumentary system (skin) is a part of our body’s _____ line of defense.

Passive immunity is when _________________________, active immunity is when ____________________.

All of the following are lymph nodes except

Using the diagram below identify the gallbladder   

The flap over the trachea that keeps out food and anything else that could clog the trachea out is called the

The enteric nervous system regulates much of the digestive activity but its action depends on the central nervous system.

Mucous membranes line all of the following except:

Transpose (flat transposition) the following prescriptions from plus/minus to minus/plus: Rx: -1.50 +1.50 x 045

What is the power in the Intermediate segment for a Trifocal Lens with the power of +1.00 -1.00 x 090 with the Add power being +2.00?

The two major lymphatic ducts are