In the normal course of an action potential, ____
a. sodium channel remain open for long periods of time
b. the concentration of sodium equalizes across the membrane
c. sodium remains much more concentrated outside than inside the neuron
d. subthreshold stimulation intensifies the action potential
c
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What is the main mode of HIV transmission in sub?Saharan Africa?
a. Heterosexual intercourse b. Males having sex with males c. Intravenous drug use d. Prostitution
In a ______, you graph the values for each group or condition as points on the y-axis centered above the appropriate value of the continuous variable on the x-axis.
A. line graph B. pie chart C. bar graph D. scatterplot
Your friends Kumi and Hugh have a 6-month-old son, Joe. Kumi is a native speaker of Japanese and Hugh is a native speaker of English
They are thinking about raising Joe to be bilingual but they are wondering if there are any benefits or drawbacks to this. What can you tell Kumi and Hugh about the impact of bilingualism on language development? What will be an ideal response?
If you examined a stack of death certificates of White people age 85 and older who died of suicide and find that 100 of these belong to women, you would guess that the number of men's records in this stack would number about:
a. 100 b. 200 c. 400 d. 1,000