Quiz Two
Help!
|
|
||||
|---|---|---|---|---|---|
| Large, Gram-positive rods | Clostridium
🗑
|
||||
| Produce endospores | Clostridium
🗑
|
||||
| Anaerobic | Clostridium
🗑
|
||||
| Catalase-negative, oxidase-negative | Clostridium
🗑
|
||||
| Enriched media required for growth | Clostridium
🗑
|
||||
| Motile (except C. perfringens | Clostridium
🗑
|
||||
| Present in soil & alimentary tracts of animals & in feces | Clostridium
🗑
|
||||
| Neurotoxic Clostridia | Clostridium tetaniClostridium botulinum (types A - G)
🗑
|
||||
| Causative agent of tetanus | Clostridium tetani
🗑
|
||||
| Straight, slender, anaerobic, Gm +ve rod with special terminal endospores, giving characteristic “drumstick” appearance | Clostridium tetani
🗑
|
||||
| Endospores resistant to chemicals & boiling but killed by autoclaving at 121 deg. C for 15 mins | Clostridium tetani
🗑
|
||||
| Has swarming growth & hemolytic on blood agar | Clostridium tetani
🗑
|
||||
| Ten serologic types based on flagellar antigens | Clostridium tetani
🗑
|
||||
| Cross-neutralizing antibodies to neurotoxins between all serotypes | Clostridium tetani
🗑
|
||||
| Infection occurs by entry of endospores into traumatized tissues (abrasions & wounds | Clostridium tetani
🗑
|
||||
| Mode of action is by synaptic inhibition | Clostridium tetani
🗑
|
||||
| Incubation period is 5 to 7 days, may extend to 3 weeks | Clostridium tetani
🗑
|
||||
| Clinical effects of neurotoxins are similar in all domestic animals | Clostridium tetani
🗑
|
||||
| Nature & severity of clinical signs are dependent on anatomical site of the replicating bacteria, amount of toxin produced & species susceptibility | Clostridium tetani
🗑
|
||||
| Clinical signs include stiffness, localized spasms, altered facial expression, spasm of mastigatory muscles (“lock jaw”), generalized muscle stiffness (“saw-horse”) stance, especially in horses | Clostridium tetani
🗑
|
||||
| Recovered animals are not necessarily immune (toxin concentration that induce clinical disease is usually below threshold required to stimulate production of neutralizing antibodies | Clostridium tetani
🗑
|
||||
| Serious & fatal disease | Botulism
🗑
|
||||
| cause most outbreaks in domestic animals | C. botulinum types C and D
🗑
|
||||
| Inactivated by boiling for 20mins | C. botulinum
🗑
|
||||
| Gm +ve rod with sub-terminal endospores | C. botulinum
🗑
|
||||
| Occurs most commonly in waterfowl, cattle, horses, sheep, mink, poultry & farmed fish | C. botulinum
🗑
|
||||
| Pigs & dogs are relatively resistant & rare in domestic cats | C. botulinum
🗑
|
||||
| Poor quality baled silage & silage or hay containing rodent carcasses have been linked to outbreaks in horses & ruminants | C. botulinum
🗑
|
||||
| the most potent biological toxin known | Neurotoxins of C. botulinum
🗑
|
||||
| C. botulinum Mode of action is by | inhibition of neuro-muscular transmission
🗑
|
||||
| Botulism Clinical signs Develops | 3 to 17 days after ingestion of toxin in all species of animals
🗑
|
||||
| Acute disease of cattle & sheep caused by C. chauvoei | Blackleg
🗑
|
||||
| bomasitis in sheep caused by C. septicum | Braxy
🗑
|
||||
| Manifests as cellulitis with minimal gas gangrene & gas formation | Malignant edema
🗑
|
||||
| Acute disease affecting sheep & occasionally cattle, caused by C. novyi type B | Infectious necrotic hepatitis
🗑
|
||||
| Occurs primarily in cattle & occasionally in sheep, caused by C. haemolyticum | Bacillary hemogl
🗑
|
||||
| Neuro disorder in newborn foals under 2 months, due to stress in dam, high level of corticosteroids in milk, high mortality | Shaker foal symptom
🗑
|
||||
| Cattle & Sheep: Gangrenous cellulitis & myositis caused by exotoxins, leading to rapid death | Blackleg
🗑
|
||||
| Large muscle masses of limbs, back & neck are frequently affected | Blackleg
🗑
|
||||
| Manifests as cellulitis with minimal gas gangrene & gas formation | Malignant edema
🗑
|
||||
| Clinical features of toxemia are similar to malignant edema | Gas gangrene
🗑
|
||||
| Hemoglobinuria: major clinical feature as a result of extensive red cell destruction | Bacillary hemogl
🗑
|
||||
| Histotoxic clostridia | Vaccination: Adjuvanted bacterin & toxoid is most effective
🗑
|
||||
| is the causative agent of Gas gangrene in human & domestic animals. | C. perfringens type A
🗑
|
||||
| C. perfringens type B | Lamb dysentery
🗑
|
||||
| Many animals die suddenly & high susceptibility of this group is attributed to the absence of microbial competition and the low proteolytic activity in the neonatal intestine | C. perfringens type B
🗑
|
||||
| Occurs in sheep at pasture, usually manifests as sudden death | perfringens type C:perfringens type C
🗑
|
||||
| Sudden death in goats & feedlot catle | Clostridia
🗑
|
||||
| Necrotic enteritis in chickens | Enteropathogenic & Enterotoxaemia-producing Clostridia
🗑
|
||||
| Haemorrhagic enteritis in neonatal pigs | Enteropathogenic & Enterotoxaemia-producing Clostridia
🗑
|
||||
| Neuro disorder in newborn foals under 2 months, due to stress in dam, high level of corticosteroids in milk, high mortality | Shaker foal symptom
🗑
|
||||
| Vax available | immunize dam and passive transfer of neutralizing antitoxin to foal, or give antitoxin serum to foal
🗑
|
Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Created by:
alljacks
Popular Veterinary sets