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WorksheetsMCQs on Paediatric Anaesthesia
Total questions: 20
Worksheet time: 10mins
A 4-year-old, 16-kg child is scheduled for tonsillectomy. What is the most appropriate intraoperative maintenance fluid rate using the 4-2-1 rule?
40 ml/h
56 ml/h
64 ml/h
80 ml/h
Which physiological factor most contributes to the rapid desaturation in neonates during apnoea under anaesthesia?
Higher metabolic rate
Lower residual volume
Decreased cardiac output
Increased dead space ventilation
A 2-kg preterm neonate requires anaesthesia for inguinal hernia repair. What is the maximum safe dose of bupivacaine (0.25%) for a caudal block?
0.5 ml
1.0 ml
2.0 ml
2.5 ml
During induction of a 5-year-old with sevoflurane, the child develops ventricular tachycardia. What is the most likely cause?
Hypoxaemia
Hypercarbia
Sevoflurane overdose
Undiagnosed long QT syndrome
A 10-kg child is intubated with a 4.5-mm uncuffed endotracheal tube. What is the estimated length of insertion at the lips?
10 cm
12 cm
14 cm
16 cm
Which of the following is the most significant risk factor for postoperative apnoea in a former preterm infant aged 48 weeks post-conception?
Use of sevoflurane
History of apnoea of prematurity
Intraoperative fentanyl use
Hypothermia
A 3-year-old child with Down syndrome requires anaesthesia. Which airway management consideration is most critical?
Risk of subglottic stenosis
Atlantoaxial instability
Micrognathia
Increased oral secretions
During laparoscopic appendectomy in a 12-kg child, the end-tidal CO2 rises to 60 mmHg. What is the most appropriate initial action?
Increase tidal volume
Decrease insufflation pressure
Administer sodium bicarbonate
Convert to open surgery
A 6-kg infant receives a caudal epidural with 0.2% ropivacaine. What is the maximum volume to achieve a T10 sensory block?
3 ml
6 ml
9 ml
12 ml
Which of the following is a contraindication to the use of succinylcholine in a 2-year-old child?
Recent burn injury
Upper respiratory tract infection
Recent vaccination
Peanut allergy
A 5-year-old child develops bradycardia (HR 50 bpm) during induction with sevoflurane. What is the most appropriate initial management?
Administer epinephrine
Administer atropine
Increase FiO2
Deepen anaesthesia
Which anaesthetic agent is most likely to cause emergence delirium in a 4-year-old child?
Propofol
Sevoflurane
Isoflurane
Ketamine
A 2.5-kg neonate requires volume-controlled ventilation during anaesthesia. What is the appropriate tidal volume setting?
10-15 ml
15-20 ml
20-25 ml
25-30 ml
During anaesthesia for pyloric stenosis repair in a 4-week-old, what is the most critical preoperative correction?
Hypoglycaemia
Metabolic alkalosis
Hypernatraemia
Hypokalaemia
Which monitoring parameter is most likely to detect early hypovolaemia in a 10-kg child during major surgery?
Heart rate
Blood pressure
Urine output
Central venous pressure
A 3-year-old with a history of asthma develops intraoperative bronchospasm. What is the most appropriate initial treatment?
Intravenous salbutamol
Inhaled salbutamol
Intravenous hydrocortisone
Increase sevoflurane concentration
Which of the following is a key advantage of using a laryngeal mask airway (LMA) over endotracheal intubation in a 6-year-old for short procedures?
Lower risk of laryngospasm
Better airway protection
Reduced airway trauma
Improved ventilation control
A 15-kg child receives 20 mg of intravenous lidocaine for ventricular ectopy during anaesthesia. What is the maximum additional dose that can be safely administered?
10 mg
20 mg
30 mg
40 mg
During anaesthesia for strabismus surgery, a 5-year-old develops a heart rate of 40 bpm after ocular traction. What is the most likely cause?
Hypoxaemia
Oculocardiac reflex
Vagal stimulation from intubation
Propofol overdose
A 7-year-old child with cerebral palsy requires anaesthesia for contracture release. Which is the most critical anaesthetic consideration?
Risk of malignant hyperthermia
Potential for difficult intubation
Increased sensitivity to non-depolarising muscle relaxants
Mandatory use of regional anaesthesia
