Term
| How are barbiturates classed? |
|
Definition
| according to their duration of action |
|
|
Term
| What are the classifications of the duration of actions for barbiturates? Give examples |
|
Definition
| long (phenobarbitol tabs), intermediate (secobarbital), short (pentobarbital), ultra short (thiopental) |
|
|
Term
| Generally what schedule are long acting barbiturates? |
|
Definition
|
|
Term
| Generally what schedule are short acting barbiturates? |
|
Definition
|
|
Term
| What are the clinical uses of barbiturates? |
|
Definition
| general anesthesia, anticonvulsant therapy, sedation, euthanasia |
|
|
Term
| What is the mode of action for barbiturates? |
|
Definition
| depress the CNS in a progressive fashion beginning at the cerebral cortex |
|
|
Term
| What type of drugs are cyclohexamines? |
|
Definition
| Ketamine, phencycladine, tiletamine |
|
|
Term
| Which cyclohexamine causes hallucinations? |
|
Definition
|
|
Term
| Which cyclohexamine is no longer acceptable for medical practice and is no longer produced? |
|
Definition
|
|
Term
| Which two dissociative anesthetics are currently available in veterinary practice? |
|
Definition
|
|
Term
| What is dissociative anesthesia? |
|
Definition
a stage whereby somatic analgesia is combined with a
light plane of unconsciousness, but the animal seems to be dissociated from its
environment.
During dissociative anesthesia, the animal maintains its pharyngeal, laryngeal,
corneal, palpebral, and swallowing reflexes. The eyes also remain open. |
|
|
Term
| What are characteristics of Cyclohexamines? |
|
Definition
| produce dissociation of CNS activity, does not depress the CNS as in the case of the barbiturates, produces cataleptic immobility of the limbs, produces an analgesic effect |
|
|
Term
| What is the mode of action for Cyclohexamines? |
|
Definition
produces a form of general anesthesia
1. acts as an NMDA antagonist
2. does not depress the CNS |
|
|
Term
| With Cyclohexamines, what is a typical sign of anesthesia? |
|
Definition
|
|
Term
| What are the means of elimination for Cyclohexamines? |
|
Definition
a. liver metabolism
b. elimination of the unmetabolized drug occurs through through the kidneys |
|
|
Term
| What are the active agents in Telazol? |
|
Definition
|
|
