A patient with a connective tissue disease experiences increased pulmonary vascular resistance. Over a period of time, you would expect to observe
A) increased cardiac output from the right ventricle.
B) increased cardiac output from the left ventricle.
C) increased thickness of the right ventricular wall.
D) distension of the pulmonary veins from the right lung.
E) no appreciable changes in heart structure or function.
C
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Which statement regarding the hila of the lungs is not true?
A. The right hilum is slightly superior to the left. B. The hila are found on the medial lungs. C. The roots of the lungs enter and exit the hila of the lungs. D. None of the above statements is true. E. All of the above statements are true.
Which of the following would NOT be found in the plasma membrane of a human cell?
a) proteins b) cholesterol c) phospholipids d) RNA e) glycolipids
The various types of epithelium are classified by
A. the number of cell layers and size of the cells. B. the shape of cells and number of cell layers. C. the size and shape of cells. D. the size and location of cells. E. function and size of cells.
John Smith works outdoors in the winter at a ski resort. His thyroid hormone levels are
A. lower in the winter to conserve body heat. B. higher in the winter to increase body temperature. C. lowered in the summer after his job to decrease body temperature. D. increased in the summer after his job to increase body temperature. E. unaffected by his job.