Q14007. Theophylline by what mechanism causes diuresis?

Q14010. Which of the following antihypertensive drug is avoided in patients with high serum uric acid levels?

Q14012. A patient on lithium therapy developed hypertension. He was started on Thiazide for hypertension. After a few days, he developed coarse tremors and other symptoms suggestive of lithium toxicity. What is the probable mechanism of interaction?

Q14016. At a high altitude of 3000 m, a person complains of breathlessness. All of the following can be used for the management of this person except?