Ions enter and leave the membrane of a myelinated axon at the __________.
A. terminal buttons
B. axon hillock
C. nodes of Ranvier
D. release zone
Answer: C
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Dr. Carlson is studying the effect of temperature on memory. One week he has 20 participants test in a cold room. The next week he has the same 20 participants test in a hot room. This is what type of research design?
A. pretest-posttest control group design B. within-participants design C. one-group pretest-posttest design D. between-participants design
Which of the following is NOT a factor influencing the nature of initial encounters between two people?
A) ?Proximity. B) ?Familiarity. C) ?Resource exchange. D) ?Physical attractiveness.
If an experimenter conducts a t test for dependent means with 10 participants and the estimated population variance of difference scores is 20, the variance of the comparison distribution is
A) 20/ 10 = 2.0 B) 20/ 9 = 2.2 C) 400/10 = 40.0 D) 400/9 = 44.4
The fertile females theory has been used to explain the transmission of genes that promote
A) female orgasmic disorder B) homosexuality C) refractory period D) erotic plasticity