30 Questions
All bacteria can multiply by budding.
False
Viruses can be observed using a light microscope.
False
Antibiotics are effective against all types of microorganisms.
False
The host always benefits from the presence of bacteria.
False
All bacteria are pathogenic.
False
The DNA of bacteria is not replicated during division.
False
The ameba dysenterica can be found in drinking water and can cause amoebic dysentery.
True
Trypanosomes are protozoa that have no means of locomotion.
False
The anopheles mosquito transmits the parasite that causes sleeping sickness.
False
Sporozoares are a type of protozoa that are typically found in cold regions.
False
The ameba lives freely in the environment and does not cause disease.
True
The movement of the trypanosome's flagella is aided by the movement of its cell membrane.
True
The insect is a simple vector transmitting the parasite.
False
Prions are large agents, typically ranging from 100 to 200 nm in size.
False
Prions are sensitive to heat and can be inactivated by high temperatures.
False
The immune system is only capable of defending against microbes through the innate immune response.
False
The immune system relies solely on certain categories of blood cells to neutralize pathogens.
False
Prions are sensitive to radiation and can be inactivated by ionizing radiation.
False
The complex immun is formed by the non-specific binding between an antigen and an antibody.
False
Plasmocytes are responsible for the production of antibodies that remain anchored in the plasma membrane.
False
The main function of antibodies is to facilitate the phagocytosis of antigens.
True
Plasmocytes produce a variety of different immunoglobulins.
False
The complex immun is always soluble.
False
The elimination of antigens from the body is solely dependent on the action of antibodies.
False
Lymphocytes B can directly recognize an antigen.
True
Macrophages are responsible for directly killing infected cells.
False
The formation of immune complexes involves the recognition of an antigen by lymphocytes T.
False
Lymphocytes T are responsible for producing free antibodies.
False
The activation of lymphocytes T requires the recognition of an antigen by macrophages.
True
The process of humoral immunity involves the activation of lymphocytes T.
False
Learn about the different types of bacteria interactions with their hosts, including pathogenic and symbiotic relationships. Understand how bacteria can cause diseases or provide benefits to their hosts. This quiz covers the basics of microbiology and bacteria interactions.
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