Question

Steve is a construction worker. He cut his hand deeply. The cut then became infected. Which line of immune defense was broken in his immune system? When Steve cut his hand, his ____ line of defense was broken. NextReset

Answer 1

Answer - His Epidermis which is the Skin.

Reasoning - Skin is the largest organ that help protect from bacteria and also foreign organisms.

Answer 2

The right answer is the first line of defense (which is the skin).

The skin is the first, largest and most important element of the defense system: it prevents the entry of most foreign bodies. People who lose too much skin, for example by burning, may succumb to infections. To avoid this, they are placed in hospital rooms kept as sterile as possible.