Which of the following most likely causes astronauts to become nauseated in space?
A. Their vestibular system cannot tell which way is down.
B. Their bodies' kinesthetic perception is thrown off by the lack of gravity.
C. Their visual system has trouble adjusting to seeing things floating and flying.
D. Their brains are being bombarded by cosmic rays.
Answer: A
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The infant brain
a. grows slower than the rest of the body. b. triples in weight by the child's first birthday. c. is fully developed at birth. d. will not reach 70% of its adult weight until adolescence.
Personality disorders are temporary patterns of maladaptive behavior that are sources of distress to the individual or others
Indicate whether the statement is true or false
How do antipsychotic drugs produce extrapyramidal side effects?
What will be an ideal response?
Chorionic villus sampling works because the chorionic villus
A) eventually forms the zygote, so the chromosomes and genetic codes are the same as those in the fetus will be. B) originates from the zygote, so the chromosomes and genetic codes are the same as those in the fetus. C) allows the mother and baby to share the same blood supply. D) contains all of the developing fetus's DNA and chromosomes.