【单选题】A 56-year-old man experiences episodes of severe substernal chest pain every time he performs a task that requires moderate exercise. The episodes have become more frequent and severe over the past ye...
【单选题】This segment of the arterial intima of a coronary vessel is observed at autopsy in a 56-year-old man who died suddenly on rising in the morning. Which of the following abnormalities is considered a ma...
【单选题】A 56-year-old man has had increasing difficulty breathing for the past week. On physical examination he has no fever. Auscultation of his chest reveals diminished breath sounds and dullness to percuss...
【单选题】This figure illustrates the microscopic appearance of the heart of a 56-year-old man who died after a 24-hour hospitalization for severe"crushing' chest pain complicated by hypotension and pulmonary e...
【单选题】A 56-year-old man who drinks a six-pack of beer a day, with higher alcoholic intake on weekends, holidays, and “special days,” presents to the internal medicine clinic. He has an abnormal plasma lipop...
A.
Restriction of rotational movement of proteins and lipids in the membrane
B.
Transbilayer movement of phospholipids in the plasma membrane
C.
Increased cholesterol/phospholipids ratio in the plasma membrane
D.
Binding of integral membrane proteins with cytoskeletal elements