While Dr. Jackson is recording the activity of a squid axon, he finds that a larger depolarizing shock is necessary on occasion in order to produce a new action potential. What is the most likely explanation for Dr. Jackson's observations?
a. The squid axon is such an artificial laboratory preparation, it cannot be expected to respond like an axon in a living animal.
b. Dr. Jackson's second
shock probably occurs during a relative refractory period.
c. Dr. Jackson's second shock probably occurs during an absolute refractory period.
d. The squid axon in the laboratory does not have functioning sodium-potassium pumps.
b
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In regard to the theory of stress described in the module, "There is nothing neither good nor bad, but thinking makes it so" describes the importance of:
a. logical thinking c. appraisal b. primary metacognition d. neologistic thinking
Alicia takes Naomi to the park several days each week from her earliest infancy. Explain how this will affect Naomi's microsystem and, thus, her physical development.
What will be an ideal response?
Prader-Willi syndrome is due to a defective transfer on chromosome ___, which was received from the person's ___
a. 13; father b. 15; father c. 21; mother d. 15; mother
All of these are true about boy's play, EXCEPT:
A. It is often outside in large groups. B. It is typically very cooperative. C. It is called rough-and-tumble play. D. There is plenty of physical aggression.