A) It is ideal for low cardiac output states. B) It is suitable in left to right shunt conditions. C) Cardiac output is calculated using the Stewart-Hamilton formula. D) Multi-lumen balloon tipped catheter placed in the aorta is used for the study. Answer (Select an option above to get the answer):
(Single Best Answer) Question 162: Co-trimoxazole is used in the eradication therapy regimen to prevent recrudescence or relapse following initial intensive therapy, against which one of the following bacterial infections ?
A) Pseudomonas aeruginosa B) Burkholderia pseudomallei C) Acinetobacter baumannii D) Citrobacter freundi Answer (Select an option above to get the answer):
(Single Best Answer) Question 163: Correct statement (s) regarding normal cardiac action potential are: 1. Action potential duration is longer in endocardium than epicardium 2. Action potential duration is longer in epicardium than endocardium 3. Ventricular repolarisation is from epicardium to endocardium 4. Ventricular repolarisation is from endocardium to epicardium
A) Only 1, 2 and 3 are correct B) Only 1 and 3 are correct C) Only 2 and 4 are correct D) Only 4 is correct Answer (Select an option above to get the answer):
A) Sodium B) Potassium C) Calcium D) Chloride Answer (Select an option above to get the answer):
(Single Best Answer) Question 165: Regarding DiGeorge syndrome 1. It is caused by microdeletion of the chromosomal region 22q11.2 2. It is associated with conotruncal heart defects 3. It is associated with cleft palate 4. It is associated with hyperparathyroidism
A) Only 1, 2 and 3 are correct B) Only 1 and 3 are correct C) Only 2 and 4 are correct D) Only 4 is correct Answer (Select an option above to get the answer):
(Single Best Answer) Question 166: Which one of the following is a poor prognosis factor in patients of pulmonary artery hypertension ?
A) Functional class-II B) Recurrent syncope C) Resting systolic blood pressure < 120 mm Hg D) 6 min walking distance < 500 m Answer (Select an option above to get the answer):
A) Takayasu arteritis B) Giant cell arteritis C) Idiopathic aortitis D) Polyarteritis nodosa Answer (Select an option above to get the answer):
(Single Best Answer) Question 168: Which of the following statments is / are true regarding isolated diastolic hypertension seen in the middel age group (30 - 50 years)? 1. It is associated with weight gain 2. It remains isolated for long periods of time. 3. It has a bening prognosis. 4. It usually resolves spontaneously usually.
A) Only 1, 2 and 3 are correct B) Only 1 and 3 are correct C) Only 2 and 4 are correct D) Only 4 is correct Answer (Select an option above to get the answer):
(Single Best Answer) Question 169: A 35 year old female patient presents with sudden onset of severe shortness of breath. Her previous medical history is unremarkable excpet for the use of oral contraceptives. On examination cardiac and pulmonary findings are unremarkable except for tachycardia and tachypnea. Which one of the following investigations would be most useful to exclude pulmonary embolism in this patient ?
A) Normal echocardiography B) Normal PaO2 by arterial blood gas determination C) Intermediate probability radionuclide perfusion scintigraphy D) Normal plasma level of d-dimer by ELISA Answer (Select an option above to get the answer):
(Single Best Answer) Question 170: Regarding management of pulmonary hypertension: Assertion: Prostacycln is used in the management of idiopathic pulmonary artery hypertension.
Reason: Prostacyclin stimulates platelet function and vascular smooth muscle proliferation.
A) Both Assertion and Reason are true, and Reason is the correct explanation for Assertion B) Both Assertion and Reason are true, and Reason is not the correct explanation for Assertion C) Assertion is true, but Reason is false D) Assertion is false, but Reason is true Answer (Select an option above to get the answer):