Test 5 Flashcards
Organisms such as bacteria and viruses that cause disease are called ________.
pathogens
What is the condition in which capillaries become larger to allow more blood to reach an affected area, causing tissue to become red, swollen, and tender?
inflammation
Which body system helps transport leukocytes throughout the body and aids them in cleansing the body of pathogens?
lymphatic system
What is the name for tissue fluid once it has entered the lymph capillaries?
lymph
What is a tiny capsule of genetic information that can reprogram a living cell to produce new particles instead of the cell’s normal products?
virus
What is an animal that transmits infection called?
vector
A condition of resistance to a particular disease or pathogen is known as _______.
immunity
What is a substance that stimulates the immune system to develop an acquired immunity?
vaccine
Substances produced by bacteria, molds, and other organisms that stop the growth of bacteria are ______.
antibiotics
A disease that is severe but lasts only a short time or occurs suddenly is described as _______.
acute
A tumor that shows no tendency to spread throughout the body is said to be ________.
benign
A disease that results from aging, malnutrition, a genetic problem, or a malfunctioning organ is called a __________ disease.
noninfectious
Infectious diseases that cannot be spread from person to person are called _________ diseases.
noncommunicable
Leprosy, the common cold, and tetanus are what kind of diseases?
infectious
What are the most important components of the immune system?
leukocytes
Some of the most important weapons that the immune system uses to fight pathogens are Y-shaped protein molecules called _______.
antibodies
Small, bean-shaped organs through which lymph flows are the ________.
lymph nodes
