Question

In this activity, you will identify portals of entry and exit found in a human host. sort each item based on whether it represents a portal of entry, portal of exit, or both portal types.

Answer 1

Portal of entry only: parental route

Both Portal of exit and portal of exit: skin, mucous membrane

Portal of exit is known to be a path in which pathogen leaves the host while portal of entry can be defined as the manner in which a pathogen enter the susceptible host. In portal of entry, there must be access to tissue for the multiplication of pathogens or a toxin can act.

Answer 2

The items represent a portal of entry, the portal of exit, or both portal types are following:

Portal of entry – parental route

Portal of exit - skin.

Both portals – mucous membrane.

What is a membrane?

A membrane is a thin layer that acts as a barrier to the entry and exit of specific molecules.

The membrane protects the cell and other organs from exterior substances.

Skin acts as a membrane and protects our body.

Thus, the correct options are:

Portal of entry – parental route

Portal of exit - skin.

Both portals – mucous membrane.

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