Pathogens Spread by

question 90

Multiple Choice

Pathogens spread by

• A) direct contact.
• B) indirect contact.
• C) inhalation.
• D) contact with a vector.
• E) all of these

---

Definitions:

Retina

A layer at the back of the eyeball containing cells that are sensitive to light and trigger nerve impulses that pass via the optic nerve to the brain, where a visual image is formed.

Thalamus

A part of the brain that acts as a principal relay station for transmitting sensory information.

Optic Nerve

The nerve that conveys information related to vision from the retina to the brain.

Protective Surface

A protective surface refers to any material or coating applied to objects or areas to safeguard against damage, deterioration, or contamination.