Author: Anonymous

The molecular geometry of the SO₃²⁻ ion is __________.

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A 52-year-old woman (BMI 34 kg/m²) is 40 minutes into a laparoscopic cholecystectomy under general anaesthesia with sevoflurane and remifentanil. The anaesthesiologist notices the end-tidal CO2 has risen to 74 mmHg despite unchanged ventilator settings. Examination reveals generalised muscle rigidity, jaw clenching, temperature 39.8°C, and heart rate 138 bpm. Arterial blood gas confirms mixed respiratory and metabolic acidosis. What is the most likely diagnosis?

A 30-year-old man sustained 35% total body surface area burns four days ago and now requires emergency laparotomy for a perforated viscus. Which of the following agents is contraindicated for rapid sequence induction in this patient?

A 28-year-old woman develops a postural headache two days after spinal anaesthesia for caesarean section. The headache worsens when she sits up and improves when she lies flat. Conservative management with hydration and simple analgesics fails after 48 hours. What is the most appropriate next step?

While setting up the anaesthetic machine, a medical officer attempts to open both the sevoflurane and isoflurane vaporisers at the same time. What safety feature of the anaesthetic machine prevents this?

A patient in the emergency department is found to be in pulseless ventricular tachycardia. A biphasic defibrillator is attached. What is the most appropriate initial energy setting for defibrillation?

A patient is administered a hypnotic agent, an opioid, and a muscle relaxant in combination for a surgical procedure under general anaesthesia. This combination is designed to achieve which three goals, collectively known as the ‘triad of anaesthesia’?

A blood pressure cuff that is too small for a patient’s arm circumference is used for non-invasive blood pressure monitoring. What effect will this have on the measured blood pressure?

Which of the following statements about capnography during general anaesthesia is correct?