Q- Which one of the following treatment most likely prevents meningeal leukemia in a young boy diagnosed with acute lymphoblastic leukemia?
A- Cyclophosphamide
B- High dose of cortisone
C- Intrathecal methotrexate
D- Radiotherapy
Q- An old man presents with acute severe back pain, tachycardia, hypotension and syncope. Which of the following is the most likely diagnosis?
A- Acute mesenteric ischemia
B- Acute myocardial infarction
C- Pulmonary embolism
D- Rupture of abdominal aortic aneurysm
Q- A group of people are assigned for a research study about the effect of a new hypoglycemia medication. Because they are aware of the study, they eat less carbohydrate. Which type of bias is involved in this study?
A- Confounding bias
B- Hawthorne effect
C- Information bias
D- Sample distortion bias
Thank you
Thanks a million