Which layer of the typical blood vessel is constructed from simple squamous epithelium?

The wall of an artery consists of three layers. The innermost layer, the tunica intima (also called tunica interna), is simple squamous epithelium surrounded by a connective tissue basement membrane with elastic fibers.

Explanation:

The cells would swell.

Explanation:

The concentration of the IV fliud can be coined as hypotonic. The fluid contains more water than solute. When given to an individual, the cells absorb water through osmosis and the cells swell.

The cells of the body have a different internal concentration to the external environment. Due to the concentration gradient, the water moves from the surrounding into the cells. This is called osmosis.