FCA1-0352

The cardiac muscle will primarily utilize which metabolic substrate to produce energy when at rest?

FCA1-0353

An 81-year old man was admitted to the Pulmonology Ward due to chronic obstructive airway disease (COPD) exacerbation. Upon physical examination, he was hypertensive at 140/90 mmHg, tachycardic at 114 beats per minute, and tachypnoeic at 33 breaths per minute. Arterial blood gas analysis was obtained and showed the following results: pH: 7.25 (Reference range: 7.35-7.45), PaO2: 73 mmHg (9.7 kPa) (Reference range: 11.3-12.6 kPa), PaCO2: 56 mmHg (7.5 kPa) (Reference range: 4.7-6.0 kPa), SaO2: 90%, Standard bicarbonate: 29 mmol/L (Reference range: 20-28), BE: +4 mmol/L (± 2). Which of the following options has the most significant impact on his respiratory rate?

FCA1-0354

Which of these thyroid hormones is considered the most potent and most physiologically active?

FCA1-0355

An individual who recently moved his residence from the plains to the mountains will experience immediately which physiologic response to high altitude and hypoxia?

FCA1-0346

A 31-year old Caucasian female came into the emergency department due to difficulty of breathing. History revealed exposure to room odorizes that are rich in alkyl nitrites. Upon physical examination, patient is tachypnoeic at 32 breaths per minute, desaturated at 88% while on a non-rebreather mask at 15 litres per minute oxygen. She was also noted to be cyanotic, however with clear breath sounds. Considering the history, what is the most probable cause of her difficulty of breathing?

FCA1-0347

A 40-year old farmer came into the emergency room with a chief complaint of 4 episodes of non-bloody diarrhoea. This was associated with frequent urination, vomiting and salivation. History also revealed frequent use of insecticides. Upon physical examination, there was miosis and bradycardia. Given the different types of bonds, which is the most likely bond formed between insecticide poisoning and receptors?

FCA1-0348

Given the following hormones, which of these will stimulate glycogenesis and gluconeogenesis?

FCA1-0349

Regarding the use of soda lime as part of a modern circle system with a vaporiser outside the circuit (VOC), which of the following is its most deleterious consequence?

FCA1-0350

If a patient is to be placed under general anaesthesia using total intravenous technique with target-controlled infusions of propofol and remifentanil, what safety precaution is the most vital in this a scenario?

FCA1-0344

Which of the following options will best reflect the adequacy of preoxygenation prior to rapid sequence induction of a patient?