Carson has been very stressed while pulling numerous all-nighters to complete his final exams and papers. He comes down with the flu the day after his last exam. What is a likely reason for his illness?
a. His stress hormones activated his lymphocytes.
b. His stress hormones suppressed the activity of his lymphocytes.
c. His anxiety level was not severe enough to trigger his lymphocytes.
d. His anxiety level was too severe to trigger his lymphocytes.
Question 2
Alicia is tired and stressed from working two jobs as a nurses aide. Under these circumstances, her immune system ____.
a. boosts its response
b. maintains a static state to conserve resources
c. does not perform well
d. directs its response to vulnerable areas
Reindeer pulling a sled in Russia
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(a) Initial mtDNA results suggested modern humans and Neadertals were equally distantly related to D
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Add movement to skin lifting by gently pulling it in a certain direction (e.g., up and forward) to ...
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