Term
| All bacteria have a capsule. |
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Definition
|
|
Term
| What is the term for a bacterium requiring normal atmospheric oxygen concentration to survive? |
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Definition
|
|
Term
| What is the term for bacteria staining purplish-blue with Gram stain? |
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Definition
|
|
Term
| A Gram-positive bacterium has a thin internal cell wall: |
|
Definition
False
A Gram-positive organism has a thick external cell wall. |
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Term
| Botulism is caused by a bacterial toxin. |
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Definition
|
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Term
Which statement applies to all bacteria?
They do not have mitochondria in their cytoplasm.
They can only live inside a host's cells.
They have a well-defined nucleus.
They do not require oxygen to survive. |
|
Definition
| They do not have mitochondria in their cytoplasm. |
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|
Term
| A bacteria with cilia has: |
|
Definition
| hair like structures on the outside of the cell. |
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|
Term
| Bacteria that can grow in low oxygen environments are known by what term? |
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Definition
|
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Term
Which of the following characteristics generally apply to bacterial spores?
They are dormant forms of the bacteria.
Most of them can be destroyed by drying.
There are no medical significant bacteria that form spores.
They may remain viable even after being autoclaved. |
|
Definition
They are dormant forms of the bacteria.
They may remain viable even after being autoclaved. |
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Term
| Bacterial virulence is directly proportional to disease severity. |
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Definition
|
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Term
| Which type of RNA virus is influenza? |
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Definition
|
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Term
| Which type of RNA virus is carried from animal to animal by mosquitoes, ticks, and lice? |
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Definition
|
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Term
| B virus belongs to which group of viruses? |
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Definition
|
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Term
| In which laboratory species is the B virus found? |
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Definition
|
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Term
| Viruses that infect animals are found in the host's cells. |
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Definition
|
|
Term
| Which type of RNA virus is mouse hepatitis virus? |
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Definition
|
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Term
| Macaques that have contracted the B virus do not shed it until symptoms are observable. |
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Definition
False
Macaques that are asymptomatic and appear normal may shed the virus via secretions of the eyes, mouth, and genitals, which can expose handlers to the virus. |
|
|
Term
Which of the following groups of viruses contain DNA?
Paramyxoviruses
Parvoviruses
Poxviruses
Herpesviruses |
|
Definition
Parvoviruses
Poxviruses
Herpesviruses |
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|
Term
| In the laboratory, viruses can be grown in cell cultures. |
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Definition
|
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Term
Which statement is TRUE about viruses?
They are extracellular parasites.
They do not contain nucleic acids.
They use their own energy to reproduce.
They do not reproduce outside of a host cell. |
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Definition
| They do not reproduce outside of a host cell. |
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|
Term
| Serological tests are the most common method used to identify viruses. |
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Definition
|
|
Term
| A typical virus is made up of an envelope containing both DNA and RNA, and proteins. |
|
Definition
False
Each type of virus has only one type of nucleic acid, either RNA (ribonucleic acid) or DNA (deoxyribonucleic acid). |
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Term
| Which decontamination method is the only way to ensure complete destruction of prions? |
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Definition
|
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Term
| Because prions are very difficult to inactivate, very strict husbandry protocols are necessary to prevent their transmission. |
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Definition
|
|
Term
| Which species has proven to be a valuable model for encephalopathies caused by prions? |
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Definition
|
|
Term
| Because prions are very difficult to inactivate, very strict husbandry protocols are necessary to prevent their transmission. |
|
Definition
|
|
Term
| Because prions are very difficult to inactivate, very strict husbandry protocols are necessary to prevent their transmission. |
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Definition
|
|
Term
| Bleach can be used to reduce the level of prion contamination on infected surfaces. |
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Definition
|
|
Term
| Which easily observable signs could suggest a diagnosis of dermatophytosis? |
|
Definition
| Crusty lesions around a few hairs or a slight scaliness of the skin |
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|
Term
| Which term is used to describe a disease caused by fungi? |
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Definition
|
|
Term
| Which pathogenic fungus is a type of yeast? |
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Definition
|
|
Term
| Yeasts are unicellular fungi. |
|
Definition
|
|
Term
| Mycology is the study of which organism? |
|
Definition
|
|
Term
| Ringworm is an example of which of the following? |
|
Definition
|
|
Term
| Some fungi are transmitted through inhalation of infectious spores. |
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
| A multicellular, worm-like animals which have differentiated tissues and organs |
|
Definition
|
|
Term
| Parasites of which group are generally flat, have oral suckers, and have larval forms that hatch in water? |
|
Definition
|
|
Term
| The species responsible for producing hydatid cysts in the liver of rats belongs to which group of helminths? |
|
Definition
|
|
Term
| Giardia spp. are ___________ that live in their host's gastrointestinal tract. |
|
Definition
|
|
Term
| Endoparasites live all their lives inside their host. |
|
Definition
False
Endoparasites may live on or in their hosts continuously (a permanent parasite) or only when feeding (a periodic parasite). |
|
|
Term
| Cats are the definitive host of which species of apicomplexan parasite? |
|
Definition
|
|
Term
| Flatworms, roundworms, and thorny-headed worms belong to which group of parasites? |
|
Definition
|
|
Term
| Which nematode has the unique characteristic of not producing eggs? |
|
Definition
|
|
Term
| Proglottids are rice-like segments of which parasite? |
|
Definition
|
|
Term
| How would animal facility personnel become infected by apicomplexan organisms? |
|
Definition
| Contact with the feces of infected animals |
|
|
Term
| Which group of worms are generally elongate, cylindrical, and non-segmented? |
|
Definition
|
|
Term
| Flukes are a common parasite of laboratory animals. |
|
Definition
False
Due to their complex life cycle, wild caught animals may have a higher chance of infection. |
|
|
Term
| The intermediate hosts for the tapeworm Dipylidium caninum are fleas. |
|
Definition
|
|
Term
Which parasite is considered zoonotic?
Toxoplasma gondii
Entamoeba histolytica
Trypanosome brucei |
|
Definition
|
|
Term
| Most helminths are only visible under a light microscope. |
|
Definition
False
Most are visible to the naked eye. |
|
|
Term
| Which parasite serves as an intermediate host for the tapeworm Dipylidium caninum which is found on dogs and cats? |
|
Definition
|
|
Term
| One characteristic that distinguishes fleas from lice is that they have wings and lice do not. |
|
Definition
|
|
Term
| Which term is used for lice infestation? |
|
Definition
|
|
Term
| In which life stage do fleas encase themselves in cocoons? |
|
Definition
|
|
Term
| What are lice eggs called? |
|
Definition
|
|
Term
| What is the most common arachnid parasite found in animal facilities? |
|
Definition
|
|
Term
| Where are pinworms usually found? |
|
Definition
|
|
Term
Which statement is FALSE regarding flagella?
They are whip-like filaments that aid locomotion.
Flagella can be single or can be found in tufts of two or more.
The presence of flagella is an important morphologic characteristic.
Flagella aid locomotion by secreting slime. |
|
Definition
| Flagella aid locomotion by secreting slime. |
|
|
Term
| Which of the following is a common fungal infection in zebrafish? |
|
Definition
|
|
Term
| Which cutaneous mycosis can affect a frog's ability to regulate oxygen flow across its skin? |
|
Definition
|
|
Term
Which statement is TRUE regarding viral reproduction?
Viruses reproduce in the fluids that surround the cells in the host's tissues.
Agars are good media that allow virus reproduction and growth without the need for the virus to enter a host cell.
Viruses can replicate outside a cell.
Viruses use the host cell's energy-producing mechanisms to synthesize their own proteins. |
|
Definition
| Viruses use the host cell's energy-producing mechanisms to synthesize their own proteins. |
|
|
Term
| Which of the following accurately describes prions? |
|
Definition
| Misshapen proteins that invade host cells |
|
|
Term
| Hyphae are multicellular tubular structures characteristic of which organism? |
|
Definition
|
|
Term
| Mosquitoes are vectors for the transmission of which of the following parasites? |
|
Definition
|
|
Term
| What best describes a bacterial spore? |
|
Definition
| It is the bacterial chromosomes surrounded by a tough coating. |
|
|
Term
| Which type of RNA virus is the West Nile virus? |
|
Definition
|
|
Term
| Bacteria staining pink with Gram stain are called _________. |
|
Definition
|
|
Term
| Which of the following is an annelid worm which may cause a bloody nose for a rhesus monkey? |
|
Definition
|
|
Term
| Species from the genera Giardia are members of which group of protozoan parasites? |
|
Definition
|
|
Term
| Which arthropods lack jointed legs? |
|
Definition
|
|
Term
Which statement is FALSE regarding the effects of prions in the nervous system?
Mad cow disease is a prion disease.
Extracellular amyloid plaques cause the brain to become dry and rigid.
The extracellular amyloid plaques of prion diseases disrupt neural structure.
Prion activity arises from the formation of extracellular amyloid plaques. |
|
Definition
| Extracellular amyloid plaques cause the brain to become dry and rigid. |
|
|
Term
| Which parasites are known as tongue worms? |
|
Definition
|
|
Term
| A mycelium is formed by which of the following? |
|
Definition
|
|
Term
| Which is the stage when a protozoan parasite actively multiplies? |
|
Definition
|
|
Term
| Bacteria that can grow in the absence of oxygen are known by what term? |
|
Definition
|
|
Term
| Which type of RNA virus is carried from animal to animal by mosquitoes, ticks, and lice? |
|
Definition
|
|
Term
| Which type of RNA virus is the measles? |
|
Definition
|
|
Term
| The term "slow virus" is often used to describe which organism? |
|
Definition
|
|
Term
| How do hookworms generally enter the body? |
|
Definition
| Penetration of the skin or oral mucosa |
|
|
Term
| Spherical or round bacterium are called: |
|
Definition
|
|
Term
| What is Ctenocephalides felis? |
|
Definition
| The most common species of fleas found on cats and dogs |
|
|
Term
| The genus of roundworms known as whipworms is a member of which group of helminths ? |
|
Definition
|
|
Term
| Which parasite can infect a fetus if the pregnant woman becomes infected? |
|
Definition
|
|
Term
Which statement applies to all bacteria?
They do not have mitochondria in their cytoplasm.
They can only live inside a host's cells.
They do not require oxygen to survive.
They have a well-defined nucleus. |
|
Definition
| They do not have mitochondria in their cytoplasm. |
|
|
Term
| Which of the following fungi are microsporidia that cause lethargy, tremors, and partial paralysis in rabbits? |
|
Definition
|
|
Term
| What is the definition of virulence? |
|
Definition
| The degree of pathogenicity of an organism |
|
|
Term
| Which characteristic is TRUE about helminths? |
|
Definition
|
|
Term
| Many different organisms can grow in a(n) ___ agar, but differences in their reactions can be observed. |
|
Definition
|
|
Term
| Which of the following groups of viruses contain RNA? |
|
Definition
|
|
Term
| In comparison with other infectious agents, what is a unique characteristic of prions? |
|
Definition
| Prions do not contain nucleic acid. |
|
|
Term
| Which characteristic is true of sucking lice but not true of chewing lice? |
|
Definition
| Sucking lice have narrow heads and mouthparts. |
|
|
Term
| What is the shape of a bacillary bacterium? |
|
Definition
|
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