Randall has long attributed his ulcer to his high stress job as a bond trader and is astounded when his doctor tells him his ulcer is likely to be associated with an infection instead. What infectious agent has been associated with gastric and duodenal ulcers as well as gastric cancer?
A) S. aureus
B) H. pylori
C) E. coli
D) C. difficile
B
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In naive T cell recirculation, entry of the cells into peripheral lymph nodes occurs through which specialized vessel?
A. Efferent lymphatic B. Thoracic duct C. Central artery D. High endothelial venule E. Sinusoid
It is difficult to assess drug or alcohol emergencies properly because drugs and alcohol produce signs that mimic a number of system disorders and diseases
Indicate whether the statement is true or false.
Isometric contractions increase strength throughout the full range of motion of any given joint.
Answer the following statement true (T) or false (F)
Which of the following is a good guideline for measuring heart rate during exercise?
A. Sprint faster during the last few yards. B. Stop exercise, find pulse, and count for 15 seconds. C. Keep moving while locating the pulse, then stop, and count the pulse. D. Count radial pulse for 1 minute immediately after exercise stops.