The immune system combats diseases:
A) by producing red blood cells, which engulf and kill pathogens.
B) by generating antibodies, which attach themselves to antigens, deactivating them and marking them for destruction.
C) by decreasing the flow of blood, cells, and natural chemicals to the damaged area, causing the redness, swelling, and warmth that characterize inflammation.
D) by inhibiting endocrine and sympathetic activity.
B
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Gazzaniga and Sperry conducted research on epileptics who needed a specific surgery to hopefully help reduce the number of seizures they were having. This surgical procedure is called the __________.
A. left-brain procedure B. right-brain procedure C. split-brain procedure D. midbrain procedure
In research studies, psychopaths failed to learn to avoid punishment and __________.
A. did not cognitively understand the connection between a behavior and its consequence B. felt a great deal of anticipatory anxiety about punishment, leading to impulsive behaviors C. did not show normal fear-potentiated startle responses D. showed greater than normal fear-potentiated startle responses
The F-ratio evaluating the significance of a linear regression equation based on n = 10 pairs of X and Y scores has df = 1, 9
Indicate whether the statement is true or false
In Erikson's development scheme, the locomotor-genital stage bears some resemblance to Freud's:
a. oral stage b. anal stage c. genital stage d. phallic stage