What are plaques?
a) epileptic seizures
b) stroke-causing tumors
c) periods of oxygen deprivation
d) disintegrated nerve cell branches
d
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The most common form of grandparenting in the United States appears to be one where there is a. little contact between grandparent and grandchild, largely due to geographical distance. b. frequent contact between grandparent and grandchild, with the grandparent oftenassuming a parental role
c. frequent contact between grandparent and grandchild, with the primary goal being enjoyment of one another. d. infrequent contact between grandparent and grandchild, but when together the grandparents tend to meddle in the way the child is being reared.
The two cranial nerves often considered part of the brain are the ______.
A. gustatory and olfactory nerves B. gustatory and optic nerves C. optic and somatic nerves D. olfactory and optic nerves
A stimulus from the environment that motivates a behavior is called _____
a) a motive. b) an incentive. c) intrinsic motivation. d) a biological motive.
In vitro fertilization is a possible alternative technique for conception
A) in which embryos are frozen for several years and then placed directly into a substitute mother's uterus. B) involving the implantation of a fertilized egg into the uterus of a substitute mother who delivers the baby. C) in which a male donor's frozen sperm are thawed and placed directly into a woman's uterus. D) that involves uniting sperm and egg in a petri dish and then placing several embryos in the uterus.