Podcast
Questions and Answers
Which of the following bacteria is classified as Gram-negative?
Which of the following bacteria is classified as Gram-negative?
- Corynebacterium
- Staphylococcus
- Escherichia (correct)
- Streptococcus
Mycobacterium is Gram-positive due to its high lipid content.
Mycobacterium is Gram-positive due to its high lipid content.
False (B)
What type of staining is used to identify Mycobacterium bacteria?
What type of staining is used to identify Mycobacterium bacteria?
Ziehl-Neelsen staining or acid-fast staining
Exocrine pancreatic insufficiency (EPI) in dogs is often complicated by ______.
Exocrine pancreatic insufficiency (EPI) in dogs is often complicated by ______.
Match the following bacteria with their corresponding Gram stain classification:
Match the following bacteria with their corresponding Gram stain classification:
Which of the following Clostridium species is responsible for "Black disease" in sheep?
Which of the following Clostridium species is responsible for "Black disease" in sheep?
Botulism is characterized by spastic paralysis.
Botulism is characterized by spastic paralysis.
What is the common name for the condition caused by Clostridium perfringens type A in humans, characterized by gas accumulation in muscle tissue and severe tissue damage?
What is the common name for the condition caused by Clostridium perfringens type A in humans, characterized by gas accumulation in muscle tissue and severe tissue damage?
The characteristic "drumstick" appearance on Gram-stained smears is associated with ______ endospores.
The characteristic "drumstick" appearance on Gram-stained smears is associated with ______ endospores.
Match the Clostridium species with the corresponding disease:
Match the Clostridium species with the corresponding disease:
Which of the following is NOT a characteristic of botulism?
Which of the following is NOT a characteristic of botulism?
Pigs and dogs are highly susceptible to botulism.
Pigs and dogs are highly susceptible to botulism.
What is the primary clinical sign associated with Bacillary haemoglobinuria?
What is the primary clinical sign associated with Bacillary haemoglobinuria?
Which of the following species is responsible for Lyme disease?
Which of the following species is responsible for Lyme disease?
Leptospirosis is a common clinical finding in cats.
Leptospirosis is a common clinical finding in cats.
What is the primary transmission route for swine dysentery?
What is the primary transmission route for swine dysentery?
The bacteria responsible for bovine digital dermatitis and contagious ovine digital dermatitis are ______ species.
The bacteria responsible for bovine digital dermatitis and contagious ovine digital dermatitis are ______ species.
Match the following diseases with their causative agents:
Match the following diseases with their causative agents:
Which of the following conditions is characterized by severe renal disease in pups, and chronic renal disease in adults?
Which of the following conditions is characterized by severe renal disease in pups, and chronic renal disease in adults?
Gram-negative anaerobic bacteria are commonly found as commensals on mucosal surfaces, particularly in the alimentary tract.
Gram-negative anaerobic bacteria are commonly found as commensals on mucosal surfaces, particularly in the alimentary tract.
What are the primary tick vectors responsible for transmitting Lyme disease in the U.S.?
What are the primary tick vectors responsible for transmitting Lyme disease in the U.S.?
Which of the following is NOT a clinical manifestation of feline cryptococcosis?
Which of the following is NOT a clinical manifestation of feline cryptococcosis?
Malassezia pachydermatis is primarily associated with canine seborrheic dermatitis and canine otitis externa.
Malassezia pachydermatis is primarily associated with canine seborrheic dermatitis and canine otitis externa.
What is the characteristic appearance of the nasal form of feline cryptococcosis?
What is the characteristic appearance of the nasal form of feline cryptococcosis?
The avian gastric yeast, Macrorhabdus ornithogaster, is also known as ______.
The avian gastric yeast, Macrorhabdus ornithogaster, is also known as ______.
Match the fungal organisms to their associated diseases:
Match the fungal organisms to their associated diseases:
Which of the following are predisposing factors for canine otitis externa caused by Malassezia pachydermatis?
Which of the following are predisposing factors for canine otitis externa caused by Malassezia pachydermatis?
Dimorphic fungi are characterized by occurring as yeasts in the environment and as molds in animal tissues.
Dimorphic fungi are characterized by occurring as yeasts in the environment and as molds in animal tissues.
What is the primary clinical manifestation of Geotrichum candidum infection?
What is the primary clinical manifestation of Geotrichum candidum infection?
Which of the following viruses can cause abortion in horses?
Which of the following viruses can cause abortion in horses?
Canine herpesvirus 1 (CHV-1) infection is typically asymptomatic in adult dogs.
Canine herpesvirus 1 (CHV-1) infection is typically asymptomatic in adult dogs.
What is the primary mode of transmission for Aujeszky's disease?
What is the primary mode of transmission for Aujeszky's disease?
The intense itching associated with Aujeszky's disease in ruminants is referred to as "______".
The intense itching associated with Aujeszky's disease in ruminants is referred to as "______".
Match the following herpesviruses with their corresponding animal species:
Match the following herpesviruses with their corresponding animal species:
Which of the following is NOT a characteristic of Equine coital exanthema?
Which of the following is NOT a characteristic of Equine coital exanthema?
Aujeszky's disease affects young pigs more severely than older pigs.
Aujeszky's disease affects young pigs more severely than older pigs.
What are the two primary diseases caused by equine herpesviruses 1 and 4 (EHV-1 and EHV-4) in horses?
What are the two primary diseases caused by equine herpesviruses 1 and 4 (EHV-1 and EHV-4) in horses?
Which of the following species are NOT members of the subfamily Alcelaphinae?
Which of the following species are NOT members of the subfamily Alcelaphinae?
Malignant catarrhal fever (MCF) is caused by a single virus, alcelaphine herpesvirus 1 (AlHV-1).
Malignant catarrhal fever (MCF) is caused by a single virus, alcelaphine herpesvirus 1 (AlHV-1).
What are the characteristic clinical signs of malignant catarrhal fever?
What are the characteristic clinical signs of malignant catarrhal fever?
Bovine papillomavirus type 5 (BPV-5) causes the ______ type of bovine cutaneous papillomatosis.
Bovine papillomavirus type 5 (BPV-5) causes the ______ type of bovine cutaneous papillomatosis.
Match the following bovine papillomavirus types with their associated clinical manifestations:
Match the following bovine papillomavirus types with their associated clinical manifestations:
Bovine alimentary papilloma-carcinoma complex is always associated with malignant transformation.
Bovine alimentary papilloma-carcinoma complex is always associated with malignant transformation.
What is the role of bracken fern in the development of enzootic hematuria?
What is the role of bracken fern in the development of enzootic hematuria?
Which of the following statements is TRUE about Papillomaviridae?
Which of the following statements is TRUE about Papillomaviridae?
Flashcards
Exocrine pancreatic insufficiency (EPI)
Exocrine pancreatic insufficiency (EPI)
A condition in dogs where the pancreas does not produce enough digestive enzymes, leading to malabsorption.
Gram-positive bacteria
Gram-positive bacteria
Bacteria that retain the violet stain during Gram staining, indicating a thicker peptidoglycan layer.
Gram-negative bacteria
Gram-negative bacteria
Bacteria that do not retain the violet stain and appear red after Gram staining due to a thin peptidoglycan layer.
Mycoplasma
Mycoplasma
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Acid-fast bacteria
Acid-fast bacteria
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Tetanus
Tetanus
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Botulism
Botulism
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Shaker foal syndrome
Shaker foal syndrome
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Blackleg
Blackleg
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Malignant edema
Malignant edema
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Braxy
Braxy
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Black disease
Black disease
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Lamb dysentery
Lamb dysentery
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Leptospira Canicola
Leptospira Canicola
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Leptospira Icterohaemorrhagiae
Leptospira Icterohaemorrhagiae
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Borrelia and Lyme disease
Borrelia and Lyme disease
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Avian spirochaetosis
Avian spirochaetosis
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Swine dysentery
Swine dysentery
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Fusobacterium necrophorum
Fusobacterium necrophorum
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Pathogenic anaerobic bacteria
Pathogenic anaerobic bacteria
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Bovine digital dermatitis
Bovine digital dermatitis
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Feline cryptococcosis
Feline cryptococcosis
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Nasal form of cryptococcosis
Nasal form of cryptococcosis
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Canine seborrheic dermatitis
Canine seborrheic dermatitis
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Canine otitis externa
Canine otitis externa
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Macrorhabdus ornithogaster
Macrorhabdus ornithogaster
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Trichosporon beigelii
Trichosporon beigelii
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Geotrichum candidum
Geotrichum candidum
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Dimorphic fungi
Dimorphic fungi
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Malignant catarrhal fever
Malignant catarrhal fever
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Alcelaphine herpesvirus 1 (AlHV-1)
Alcelaphine herpesvirus 1 (AlHV-1)
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Ovine herpesvirus 2 (OvHV-2)
Ovine herpesvirus 2 (OvHV-2)
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Pathogenesis of MCF
Pathogenesis of MCF
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Bovine cutaneous papillomatosis
Bovine cutaneous papillomatosis
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Bovine alimentary papilloma-carcinoma complex
Bovine alimentary papilloma-carcinoma complex
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Enzootic hematuria
Enzootic hematuria
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Papillomaviridae
Papillomaviridae
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Aujeszky’s Disease
Aujeszky’s Disease
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Transmission of Aujeszky’s Disease
Transmission of Aujeszky’s Disease
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Symptoms of Aujeszky’s Disease
Symptoms of Aujeszky’s Disease
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Equine Rhinopneumonitis
Equine Rhinopneumonitis
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EHV-1 Related Complications
EHV-1 Related Complications
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Equine Coital Exanthema
Equine Coital Exanthema
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Canine Herpesvirus Infection
Canine Herpesvirus Infection
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Transmission of Canine Herpesvirus
Transmission of Canine Herpesvirus
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Study Notes
Veterinary Microbiology
- Veterinary microbiology studies pathogens that affect animals
- Pathogens include bacteria, fungi, viruses, and prions
- Pathogens cause illness by injuring host cells
- Bacteria and fungi damage cells directly through toxin production or indirectly by inflammation
- Viruses and prions damage cells during replication
- Veterinarians must be familiar with infectious agents, classification, transmission, and produced lesions in order to eradicate diseases
Pathogenic Microorganisms
- Bacteria:
- Unicellular
- Exhibit diverse morphologies
- Classified as Gram-positive or Gram-negative
- Fungi:
- Either unicellular or multicellular (yeast or mold)
- Capable of digesting organic matter
- Algae:
- Plant-like; either unicellular or multicellular (i.e. algae species)
- Capable of secreting enzymes that can digest organic matter
- Viruses:
- Not cells; consist of nucleic acids
- Require living cells for replication
- Smaller than bacteria
- Prions:
- Abnormally folded proteins
- Smaller than viruses
- Do not contain nucleic acids
- Can only multiply within living cells
Bacterial Species
-
Staphylococcus:
- Gram-positive cocci in clusters
- Common on mucous membranes and skin
- Causes pyogenic (pus-forming) infections
- Examples of clinical infections: Bovine mastitis, tick pyemia, exudative epidermitis, and botryomycosis. Also bumble foot infections in birds and staphylococcal infections in dogs and cats
-
Streptococcus:
- Gram-positive cocci in chains
- Commensal in mucous membranes
- Causes pyogenic infections
- Examples of clinical infections: Strangles, streptococcal suis infection and bovine streptococcal mastitis.
-
Actinobacteria:
- Gram-positive; branching filaments
- Opportunistic pathogens
- Examples of clinical infections : Trueperella (Arcanobacterium) pyogenes infection, Canine actinomycosis, Bovine nocardial mastitis, and others
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