Maria gives birth to a child with trisomy 21 . Which of the following is true?
a. Maria must have given her child an extra 21st chromosome.
b. The child's father must have given the child an extra 21st chromosome.
c. The child received an extra 21st chromosome from either her mother or her father.
d. Both parents contributed an extra 21st chromosome.
c
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What was believed to be the difference between traditional antipsychotic drugs and atypical antipsychotic drugs developed in the 1990s?
A. The atypical antipsychotics were believed to be more effective while causing fewer side effects, but those hopes have not been fully realized. B. The atypical antipsychotics were more effective at addressing positive psychotic symptoms, whereas traditional medications were more effective at addressing negative psychotic symptoms. C. The atypical antipsychotics were believed to work on the dopamine system, whereas traditional antipsychotics were believed to work on the serotonin system. D. The atypical antipsychotics were believed to work with fewer doses and in less time than the traditional antipsychotics.
If a child stops on the shallow side of the visual cliff and refuses to cross the deep side, what is your most likely conclusion?
A. The child is fatigued because crawling uses much energy. B. Depth perception prevents the child from crossing the cliff. C. The child has been distracted by something else. D. There is not enough incentive for the child to move.
Describe the basic anatomy and function of the spinal cord
What will be an ideal response?
Pok is in the lab and is measuring the resting potential of neurons. Approximately what should she measure as the resting potential?
A. -65 millivolts B. 0 millivolts C. 70 millivolts D. -70 millivolts