Zahaire just learned she has an upper respiratory bacterial infection. Explain how Zahaire's immune system will likely respond to the infection.
What will be an ideal response?
The front line of defense in the immune system are the white blood cells, or leukocytes, which come in two types: B-cells, which mature in the bone marrow, and T-cells, which mature in the thymus. Zahaire's B-cells and T-cells will activate in response to the bacterial invader and proceed to multiply rapidly to mount a counterattack. B-cells respond to specific antigens and produce antibodies that circulate in the blood, while T-cells (or microphages) circulate through the blood and lymph systems in an effort to engulf the antigens. The entire immune response is an intricate process that involves multiple systems and will ultimately destroy the antigens in Zahaire's body. GRADING RUBRIC: 10 points.
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A. worked harder to ignore the non-target stimuli B. could not understand what the non-target stimuli were C. did not have to work as hard to ignore the non-target stimuli D. focused exclusively on the non-target stimuli
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a. predictive b. content c. discriminant d. concurrent
A correlation is a numerical measure of the __________________
a) unintended changes in participants' behavior due to cues from the experimenter b) strength of the relationship between two variables c) behaviors of participants of different ages compared at a given time d) behaviors of participants followed and periodically assessed over time
Helen has just learned to roller skate. To skate, she must balance on the wheels, move her legs back and forth to propel herself forward, and keep her upper body balanced on top of her legs. Helen can skate because she has developed:
a. agility b. coordination c. reaction time d. speed