A normal woman at term, not in labour, has her arterial blood gas analysed. Which set of results is most likely her own? Option – pH – PaCO2 – HCO3 – PaO2. A: 7.35 – 28 mmHg (3.73 kPa) – 27 mmol/L – 104 mmHg (13.8kPa), B: 7.43 – 32 mmHg (4.27 kPa) – 21 mmol/L – 104 mmHg (13.8kPa), C: 7.44 – 36 mmHg (4.8 kPa) – 27 mmol/L – 104 mmHg (13.8kPa), D: 7.45 – 40 mmHg (5.33 kPa) – 21 mmol/L – 104 mmHg (13.8kPa), E – 7.46 – 44 mmHg (5.87kPa) – 21 mmol/L – 104 mmHg (13.8kPa).
A paediatric patient was referred to the surgery department after an initial assessment of acute gastroenteritis was proven otherwise to be a case acute appendicitis. History revealed multiple episodes of non-bloody emesis. In the paediatric ward, the patient had already undergone fluid resuscitation and replacement, and electrolytes were already corrected. Other pertinent laboratory studies were the following: Serum Na: 138 mmol/l, Blood glucose: 6.4 mmol/l. If the patient weighed 25 kg, which intravenous fluid maintenance regimen would be best for the child?
The tip of a pulmonary artery flotation catheter becomes wedged when threaded through the chambers of the heart and the pulmonary artery. Which of the following options best describes the sequence of pressures measured at the catheter’s tip during its passage through a normal patient’s pulmonary artery?
Campylobacter is which type of bacteria?
Which of the following causes a left shift of the haemoglobin dissociation curve?
A 70-year old male has diverticular disease and is undergoing a sigmoid colectomy. His risk of developing a post operative would infection can be minimized by which of the following interventions?
Which statement regarding the cardiac action potential is correct?
An 85-year old female is being investigated and treated for pancytopenia of unknown origin. Her most recent blood test is shown below which shows that he has a low platelet count. Hb-102 g/l, WBC – 2.9* 109/l, Platelets – 7 * 109/l. Which of the following normally stimulates platelet production?
A 63-year old man has palpitations and goes to the emergency room. An ECG shows tall tented T waves, which corresponds to phase 3 of the cardiac action potential. The shape of the T wave is as a result of which of the following?
A 60-year old male has anaemia and is being investigated. The most common combination of globin chains in a normal adult is: