Repeated USMLE Questions Step 1- Review- 60

Q- In a case of blood flow obstruction to an alveolus, which of the following changes in ventilation/perfusion ratio, Po2 in the alveoli and Pco2 in the alveoli respectively most likely occur? A- decreases/decreases/decreases B- decreases/decreases/increases C- increases/decreases/decreases D- increases/increases/decreases Q- Which one of the following is the function of the retinoblastoma gene in a … Read more