FCA1-0342
Regarding basal metabolic rate (BMR), which of the following is the most efficient regulator of BMR?
Archives: FRCA Part 1
FCA1-0343
Which type of muscle contains the highest amount of mitochondria?
FCA1-0344
Which of the following options will best reflect the adequacy of preoxygenation prior to rapid sequence induction of a patient?
FCA1-0345
A patient under brachial plexus regional block complains of pain under the cuff after the torniquet is inflated. Which nerve was most probably ‘missed’ by the local anaesthetic?
FCA1-0335
A 72-year-old woman with a medical history of ischaemic heart disease, hypertension, and hypothyroidism was brought to ER with a change in her mental state over the past few hours. Medications used by her were hydrochlorothiazide, aspirin, ramipril, and levothyroxine. On physical examination, decreased skin turgor, orthostatic hypotension, and disorientation of time and place were found. There were no significant neurological signs. Initial biochemical tests are as follows: Na: 111 mmol/L (135-145), K: 4.1 mmol/L (3.5-5.1), Cl: 105 mmol/L (99-101), Bic: 29 mmol/L (22-29), Urea: 16.4 mmol/L (1.7-8.3), Creatinine: 320µmol/L (44-80), Glucose: 13.5mmol/L (3.5-5.5), Plasma osmolality: 278mOsm/kg, Urinary osmolality: 450mOsm/kg, TSH: 6.2 miu/L (0.1-6.0), Free T4: 10.1 pmol/L (10-25), Free T3: 1.4nm/L (1.0-2.5), Which of the following is most likely cause for this condition of the patient?
FCA1-0336
A 21-year-old female was brought to the Emergency department with a ruptured ectopic pregnancy. On clinical examination, the following were the findings: Pulse: 120 beats per minute, BP: 120/95 mmHg, Respiratory rate: 22 breaths per minute, Capillary refill time: three seconds, Cool peripheries. Which of the following best describes the cause for this clinical finding?
FCA1-0337
A 43-year-old patient was brought to the emergency department with a traumatic amputation of his leg at mid-thigh level. Resuscitation with 1 L gelofusine was done and four units of packed red blood cells were given before theatre. Thirty minutes following blood transfusion, the patient became flushed, breathless, hypotensive, develops haemoglobinuria, and had a fever of 38oC. Which one of the following correctly explains the patient signs and symptoms?
FCA1-0338
A 52-year-old man was referred for investigation of malignant hyperthermia following general anaesthesia for a micro laryngoscopy and biopsy for a suspected laryngeal tumour. The patient was found to be a heavy smoker and the only presenting symptom is a hoarse voice. A sample of muscle (vastus lateralis) needs to be taken to establish a diagnosis of malignant hyperthermia in this patient. Which one of the following is the best anaesthetic technique for muscle biopsy in this patient?
FCA1-0339
A 60-year-old male is being reviewed in the peri-operative assessment before total knee replacement. He had a history of a heart transplant 10 years back. His resting heart rate is 110 beats per minute. On examination, ECG showed sinus tachycardia. Which of the following explains this tachycardia?
FCA1-0340
A 72-year old man is experiencing a cardiac risk evaluation for the management of obstructive umbilical hernia. Echocardiogram demonstrates an aortic valve area=0.59cm with a pressure of 70mmHg. Five years ago, he had mild myocardial infarction complicated with pulmonary oedema. Now he encounters angina with little exertion. Which of the following factor is the foremost profoundly weighted using Deysky’s cardiac risk scoring system in this case?