Which of the following activated T cells is active against viruses and protects the body against cancer?
A. cytotoxic
B. helper
C. memory
D. NK cells
A. cytotoxic
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All of the following would be found in a patient with atelectasis EXCEPT:
a. normal shunt fraction. b. whispered pectoriloquy. c. chest radiograph shows increased density in areas of atelectasis. d. diminished breath sounds.
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According to the American Heart Association, cardiopulmonary resuscitation certification should be updated
every 18 weeks. only when the guidelines change. every year. every 2 years.
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As cells in the ventricles ________, the atria and ventricles contract.
A. stabilize B. repolarize C. depolarize D. rest
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A parastite that is flat and segmented, living in the small and large intestine is called
A. strongyles B. coccidia C. giardia D. tapeworm
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