The cellular theory of aging focuses on:
A. deterioration of cells over a lifetime.
B. the number of chromosomes in a cell.
C. the size of cells.
D. the sudden death of cells in one system
Answer: A
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The nodes of Ranvier are the:
A) spaces in which one neuron receives information from another neuron. B) spaces between sections of myelin on an axon. C) sections of myelin wrapped around the axon. D) "jumping" of the electrical signal.
Monica, age 12, gives her therapist convincing evidence that she was sexually molested by her stepfather from the time she was 8 until she was 11 . According to the principle of privileged communication, the therapist ____
a. must divulge this information to the proper authorities b. must have a conference with the stepfather c. cannot divulge this information unless Monica waives confidentiality d. cannot divulge this information under any circumstances
Any _____ hypothesis is constructed before the experiment is conducted
a. a priori c. pre hoc b. a posteriori d. post hoc
Which of the following is a protective measure to reduce the incidence of SIDS?
A) wrapping the baby in warm clothing and blankets B) pacifier use C) stomach sleeping D) use of soft bedding