Infectious - 🧠ANSWER ✔✔diseases that can be spread by personal
contact, such as a handshake or the exchange of bodily fluids; other
diseases can be spread by the touch of a doorknob that has been handled
by someone else.
tuberculosis - 🧠ANSWER ✔✔An infectious condition that causes small
rounded swellings on mucous membranes throughout the body.
human immunodeficiency virus (HIV) - 🧠ANSWER ✔✔A condition affecting
the immune system.
pathogen - 🧠ANSWER ✔✔Any agent that causes disease; a microorganism
such as a bacterium or virus.
bacteria - 🧠ANSWER ✔✔Single-celled microorganisms that cause disease.
, Rod-shaped bacteria AKA bacilli - 🧠ANSWER ✔✔are responsible for the
development of diphtheria, tetanus, and tuberculosis, among others.
Spirilla, bacterial organisms shaped like a spiral. - 🧠ANSWER ✔✔may
cause cholera or syphilis
Dot-shaped bacteria known as cocci - 🧠ANSWER ✔✔cause gonorrhea,
tonsillitis, scarlet fever, and bacterial meningitis.
Types of Bacteria: - 🧠ANSWER ✔✔coccus, bacillus,spirillum,vibrio
virus - 🧠ANSWER ✔✔A microscopic particle that initiates disease,
mimicking the characteristics of a particular cell; can reproduce only within
the body of the cell which it has invaded.
-not easily treated with medication because they embed themselves within
the host cells and are, therefore, difficult to isolate
parasites - 🧠ANSWER ✔✔-Tiny living things that can invade and feed off
other living things.
-They are one-celled organisms (protozoa), insects (lice and mites), worms
(Helminthiasis), and others that can interfere with a healthy body.