pathology

Q- A patient complains of loss of vision of the right half of the left eye and the left half of the right eye. Color vision and intraocular pressure are normal. Which of the following is the most likely diagnosis? A- Calcification of the internal carotid artery B- Optic neuritis C- Pituitary macroadenoma D-Retrobulbar neuritis … Read more

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

Q- Exposure to which one of the following substances is considered a risk factor for developing hepatic angiosarcoma? A- Aromatic hydrocarbons B- Benzene C- Nitrosamines D- Vinyl chloride Q- Infection with which one of the following organisms may lead to spastic paralysis through blocking the release of GABA and glycine? A- Bacillus anthracis B- Clostridium … Read more

Q- Which one of the following conditions is the most likely complication of Paget disease of bone in elderly patients? A- Acute renal failure B- Congestive heart failure C- Dementia D- Hepatic failure Q- The upper limit of normal cholesterol for diagnosing hypercholesterolemia in patients with diabetes has been lowered from 90 mg/dL to 70 … Read more

Q- A patient with a history of renal disease presents to the clinic for a follow up and renal function tests.  Clearance of which one of the following substances is used to estimate the glomerular filtration rate? A-Calcium B-Inulin C-Potassium D-Sodium Q- An immunocompromised patient complains of fever, increasing dyspnea and cough for 2 weeks. … Read more