At what age do most infants get half or more of their sleep at night, much to the relief of their parents?
A. 3 months
B. 6 months
C. 12 months
D. 9 months
Answer: B
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Ciara, who is in the final trimester of her pregnancy, is contemplating breast-feeding her soon-to-be born baby. As her obstetrician, what information can you give Ciara to help her make an informed decision?
A. Breast milk helps protect against the form of childhood cancer known as medulloblastomas. B. Breast milk contains the mother's antibodies. C. After three months of age, breast milk alone is not a sufficient source of nutrients. D. Maternal infections or environmental toxins cannot be passed through breast milk.
A psychologist tested Brian and found his overall IQ was 45. Yet Brian can add, subtract, multiply, and divide large numbers with lightning speed and consistent accuracy. What term is used for Brian's exceptional ability?
a) autistic b) savant syndrome c) Down syndrome d) selected giftedness
Dale's principle, a recently discounted theory about synaptic function, stated that a neuron:
A) Released multiple neurotransmitters B) Only released a single neurotransmitter C) Never responded to its own autoreceptors D) Could be either electrical or chemical at its synapses
The progestin in combination pills
A) inhibits the production of LH. B) inhibits the production of FSH. C) decreases the thickness and acidity of cervical mucus. D) inhibits the production of both FSH and LH.