Mcq Subject: Anaesthesia
A patient undergoing caesarean section following prolonged labour under subarachnoid block developed carpopedal spasm. Lignocain was used as anesthetic agent. The most likely diagnosis is:
A. Amniotic fluid embolism
B. Lignocaine toxicity
C. Hypocalcemia
D. Hypokalemia
View DescriptionWhich is the muscle relaxant of choice in renal failure?
A. Rocuronium
B. Vecuronium
C. Rapacuronium
D. Atracurium
View DescriptionThe narrowest part of larynx in infants is at the cricoid level. In administering anaesthesia this may lead to all except –
A. Choosing a smaller size endotracheal tube
B. Trauma to the subglottic region
C. Post operative stridor
D. Laryngeal oedema
View DescriptionThe probe is used for
A. Enteroclysis
B. Transesophageal echo
C. Oesophageal temperature monitor
D. ERCP probe
View DescriptionMost immunogenically safe IV anaesthetic agents-
A. Thiopentone
B. Propofol
C. Etomidate
D. Ketamine
View DescriptionThe cricoid pressure applied should approximately have following pressure-
A. 20 N
B. 30 N
C. 40 N
D. 5 N
View DescriptionSpinal anesthesia should be injected into the space between
A. T12-L1
B. L1-L2
C. L3-L4
D. L5-S1
View DescriptionA 43-year-old woman develops acute renal failure following an emergency resection of a leaking abdominal aoic aneurysm. One week after surgery, the following laboratory values are obtained: Serum electrolytes (mEq/L): Na + 127, K+ 5.9, Cl – 92, HCO3 – 15 Blood urea nitrogen: 82 mg/dL Serum creatinine: 6.7 mg/dL The patient has gained 4 kg since surgery and is mildly dyspneic at rest. Eight hours after these values are repoed, the following electrocardiogram is obtained. Which of the following is the most appropriate initial treatment in the management of this patient?
A. 10 mL of 10% calcium gluconate
B. 0.25 mg digoxin every 3 hours for 3 doses
C. 100 mg lidocaine
D. Emergent hemodialysis
View DescriptionA 25 year old male with roadside accident underwent debridement and reduction of fractured both bones right forearm under axillary block. On the second postoperative day the patient complained of persistent numbness and paresthesia in the right forearm and the hand. The commonest cause of this neurological dysfunction could be all of the following except :
A. Crush injury to the hand and lacerated nerves
B. A tight cast or dressing
C. Systemic toxicity of local anaesthetics
D. Tourniquet pressure
View DescriptionDefinitive sign of phase I of anaesthesia is –
A. Fixation of eyeball
B. Pupillary dilatation
C. Blurring of vision
D. Intercostal paralysis
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