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WorksheetsDiseases and Immunity
Total questions: 25
Worksheet time: 18mins
Disease causing agents such as bacteria and viruses are called _______________.
pathogens
antibodies
villians
particles
defense again pathogen by antibody production in the body after an infection by pathogen is...
Active Immunity
Cell-Mediated Immunity
Passive Immunity
Natural Immunity
Skin and hair is ....barriers
mechanical
chemical
electrical
substantial
Stomach acid and mucus is ....barriers
mechanical
chemical
electrical
substantial
which type of pathogen that consist of DNA and cause AIDs?
bacteria
virus
fungi
paracite
The immune system is made up of a network of cells, tissue, and organs that work together to protect the body
A Substance made of weakened, killed, or partial pathogens are designed to protect the body from future invasions of that pathogen.
Vaccine
Virus
Disease
Microbe
What is one of the ways that antibiotics work?
They interrupt the metabolism of bacteria with cell walls
They can stop viruses from reproducing
They stop toxins from poisoning the tissues of hosts
They engulf the pathogens
Which is most often used to destroy bacteria?
fungus
vitamin
vaccine
antibiotic
Why are viruses considered to be nonliving organisms?
They do not have genetic information.
They are not able to move on their own.
They do not interact with their environment.
They are not able to reproduce without a host cell.
Viral infections are hard to treat because viruses live inside your body's cells and _______________.
hand washing does not work
antiviral medications do not work
vaccinations do not work
antibiotics do not work
Cells that engulf and digest pathogens are
plasma cells
phagocytic cells
helper T cells
antibodies
What do lymphocytes produce?
antigens
macrophages
T cells
antibodies
What is an example of active immunity?
Antibodies passed from the mother to fetus across the placenta
Antibodies produced by another organism and injected to protect against a disease
Antibodies passed from the mother in colostrum during breastfeeding
Antibodies produced after the defence mechanisms have been stimulated by antigens
What occurs in the body after the injection of a vaccine containing antigens?
Activated B-cells divide to form memory cells.
The receiver of the vaccine develops passive immunity.
Helper T-cells produce specific antibodies.
Macrophages are cloned and destroy the antigen.
How can active immunity be acquired?
by having the disease
injection of antibiodies
through colostrum (breastmilk)
via placenta
What are antibodies?
Organisms or viruses that cause disease
Drugs used to treat bacterial diseases
Substances the body recognizes as foreign
Proteins that bind to foreign antigens
True or false: All diseases are caused by pathogens?
True
False
Which of these words should you include in a description of phagocytosis?
Swallow and Digest
Engulf and Digest
Engulf and Destroy
Digest and Kill
