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Anesthesia Management 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.

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  1. A rabbit is being anesthetized and develops respiratory arrest. What anatomical feature makes rabbits particularly prone to apnea under anesthesia?

    Answer: Obligate nasal breathing and a narrow glottis

    Rabbits are obligate nasal breathers with a narrow glottis and strong laryngospasm reflex, making airway management and intubation challenging and apnea more common.

  2. Which reversal agent is used to antagonize the effects of medetomidine in dogs?

    Answer: Atipamezole

    Atipamezole is a selective alpha-2 adrenergic antagonist used to reverse the sedative and cardiovascular effects of medetomidine and dexmedetomidine.

  3. What does a PaO2 of 60 mmHg indicate in a patient breathing 100% oxygen?

    Answer: Severe respiratory impairment

    A PaO2 of 60 mmHg while breathing 100% oxygen indicates severe pulmonary dysfunction, as a normal patient should achieve PaO2 values of 450–600 mmHg.

  4. Which of the following best describes the role of a vaporizer in an anesthetic machine?

    Answer: It converts liquid anesthetic agent into a precise vapor concentration for delivery

    The vaporizer converts liquid inhalant anesthetic into a calibrated vapor concentration delivered to the patient via the breathing circuit.

  5. In a cat with hypertrophic cardiomyopathy (HCM), which anesthetic protocol component should be AVOIDED?

    Answer: Tachycardia-inducing agents

    Tachycardia reduces diastolic filling time in HCM patients, worsening obstruction and cardiac output; agents like ketamine or anticholinergics should be avoided.

  6. When performing a ring block for a digit surgery in a dog, which complication is most likely if epinephrine is included in the local anesthetic?

    Answer: Ischemic necrosis of the digit

    Epinephrine causes vasoconstriction, which in end-arterial areas like digits can lead to ischemia and necrotic tissue damage.

  7. A patient undergoing general anesthesia develops bradycardia with a heart rate of 30 bpm. Which drug should be administered first?

    Answer: Atropine

    Atropine is the first-line anticholinergic agent used to treat anesthetic-induced bradycardia by blocking parasympathetic input to the heart.