Veterinary Anesthesia Flashcards
7 cards from real VTNE practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Veterinary Anesthesia flashcards as text
A patient under anesthesia has a mean arterial pressure (MAP) of 48 mmHg. Which intervention should be attempted FIRST?
Answer: Reduce the anesthetic agent concentration
Reducing the inhalant anesthetic concentration is the first step since most inhalants cause dose-dependent cardiovascular depression; this is the most direct corrective action.
Which nerve block technique would be MOST appropriate to provide dental analgesia for a maxillary canine tooth extraction in a dog?
Answer: Infraorbital nerve block
The infraorbital nerve block desensitizes the maxillary teeth (rostral to the 4th premolar) and surrounding tissues, making it ideal for maxillary canine extraction.
What is the significance of a 'vaporizer out of circuit' (VOC) arrangement compared to a 'vaporizer in circuit' (VIC) arrangement?
Answer: VOC vaporizers deliver more precise, flow-independent concentrations
Out-of-circuit (VOC) vaporizers use a precision variable bypass design that delivers accurate agent concentrations independent of fresh gas flow rate.
A rabbit is anesthetized and becomes apneic. Which route is MOST appropriate for emergency drug administration if IV access is not available?
Answer: Intraosseous
The intraosseous (IO) route provides rapid access to the systemic circulation in emergencies when IV access cannot be established, delivering drugs with similar speed to IV.
Which of the following describes the Guedel classification Stage III, Plane 2 of anesthesia?
Answer: Surgical anesthesia with regular respiration and loss of palpebral reflex
Stage III, Plane 2 represents surgical anesthesia characterized by regular respiration, loss of the palpebral reflex, and absent response to surgical stimulation.
Which crystalloid fluid is MOST commonly recommended as the standard maintenance fluid during routine anesthesia in dogs and cats?
Answer: Lactated Ringer's solution (LRS)
Lactated Ringer's solution is the most commonly recommended balanced isotonic crystalloid for routine anesthetic maintenance fluid therapy in small animals.
During anesthetic monitoring, a technician observes the jaw tone becoming very loose and the eye rotating ventrally. What plane of anesthesia does this indicate?
Answer: Appropriate surgical plane
In most species, ventral eye rotation combined with absent jaw tone and palpebral reflex indicates an appropriate surgical plane of anesthesia.