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Questions and Answers
Which of the following organisms can cause infectious diseases in humans?
Which of the following organisms can cause infectious diseases in humans?
- Fungi
- Bacteria
- Plants
- Protozoa (correct)
What is the infective stage of Protozoa characterized by?
What is the infective stage of Protozoa characterized by?
- Reproduction
- Feeding and motility
- Non-feeding and non-motility (correct)
- Invasive pathology
Which science deals with arthropods of medical importance?
Which science deals with arthropods of medical importance?
- Ecology
- Entomology (correct)
- Parasitology
- Epidemiology
What is the common feature of Platyhelminthes, Nematodes, and Protozoa?
What is the common feature of Platyhelminthes, Nematodes, and Protozoa?
What type of organisms are Trematodes and Cestodes?
What type of organisms are Trematodes and Cestodes?
What type of organisms are Platyhelminthes, specifically Trematodes and Cestodes?
What type of organisms are Platyhelminthes, specifically Trematodes and Cestodes?
Which stage in the life cycle of Protozoa is characterized by non-feeding, non-motility, and non-reproduction?
Which stage in the life cycle of Protozoa is characterized by non-feeding, non-motility, and non-reproduction?
Which science specifically deals with arthropods of medical importance?
Which science specifically deals with arthropods of medical importance?
What is the common feature of Platyhelminthes, Nematodes, and Protozoa?
What is the common feature of Platyhelminthes, Nematodes, and Protozoa?
What distinguishes the vegetative stage of Protozoa from the infective stage?
What distinguishes the vegetative stage of Protozoa from the infective stage?
What type of organisms are Protozoa?
What type of organisms are Protozoa?
Which stage in the life cycle of Protozoa is characterized by non-feeding, non-motility, and non-reproduction?
Which stage in the life cycle of Protozoa is characterized by non-feeding, non-motility, and non-reproduction?
What distinguishes the vegetative stage of Protozoa from the infective stage?
What distinguishes the vegetative stage of Protozoa from the infective stage?
What is the common feature of Platyhelminthes, Nematodes, and Protozoa?
What is the common feature of Platyhelminthes, Nematodes, and Protozoa?
Which science deals with arthropods of medical importance?
Which science deals with arthropods of medical importance?
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Study Notes
Infectious Diseases
- Protozoa, Platyhelminthes, Nematodes, and arthropods can cause infectious diseases in humans.
Characteristics of Protozoa
- The infective stage of Protozoa is characterized by being highly resistant to environmental stress and able to survive outside a host.
Science of Arthropods
- Medical entomology is the science that deals with arthropods of medical importance.
Common Features of Parasites
- The common feature of Platyhelminthes, Nematodes, and Protozoa is that they are all parasites.
Classification of Parasites
- Trematodes and Cestodes are types of Platyhelminthes.
- Trematodes and Cestodes are also known as flatworms.
- Protozoa are a type of single-celled organism.
Life Cycle of Protozoa
- The cyst stage in the life cycle of Protozoa is characterized by non-feeding, non-motility, and non-reproduction.
- The vegetative stage of Protozoa is distinguished from the infective stage by its ability to feed, move, and reproduce.
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