Which of the following best describes the firing of a neuron (action potential)?
a) a change in axonal membrane permeability facilitating an inflow of positive ions
b) an electrical current initiated in the cell body which flows the length of the axon
c) the opening of ion channels, promoting a negative charge within the axonal membrane
d) the transmission of neuronal impulses across the synaptic cleft
a
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Suppose that Kaitlin has a satisficing decision-making style, and she is shopping for a winter jacket. She would be most likely to
a. examine as many jackets as possible, taking into consideration their price, color, style, and warmth. b. first select the two attributes that she considers most importantâ€"such as price and styleâ€"and focus on all jackets that meet these two criteria. c. find a jacket that is good enough to meet her standards, even if it is not ideal. d. create a list of pros and cons for the jackets that are acceptable, and choose the jacket on the basis of this list.
Tests to detect statistically significant differences are part of _______________ statistics
Fill in the blank(s) with correct word
Of the following, which is NOT part of the prenatal screening package referred to as the "triple marker"?
A. unconjugated estriol B. alpha-fetoprotein C. chorionic gonadotropin D. amniocentesis
Which of the following is the best protection against lasting problems for children living in chronic danger?
A) education and high-quality child care B) individual and family therapy C) parental affection and reassurance D) drawing and writing about traumatic experiences