Describe three risk factors for SIDS.
What will be an ideal response?
Risk factors for SIDS include (1) an immature cardiorespiratory system, (2) low birth weight, (3) low Apgar scores, (4) having a mother who smoked during pregnancy or being around smoke during infancy, (5) a hot room and two or more layers of clothing, (6) sleeping surrounded by fluffy blankets and pillows, and (7) sleep position (on back decreases risk).
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Many dendrites contain short outgrowths called spines that _____
a. increase the surface area available for synapses b. increase the speed of transmission c. eliminate cell waste products d. increase the symmetry of the cel.
Professor Haskins conducted a study which showed that participants remembered new material better when they learned the material and were tested on the material in the same setting. Professor Haskins has also noticed that students tend to do better on term exams when they take the exams in the same room as the one in which the class normally met. This suggests that the results Professor Haskins
obtained in the memory study: a. are internally valid b. are operationally defined c. will not generalize to everyday settings d. have external validity
Professor Case studies how drugs of abuse change the amount of chemical that neurons release from the presynaptic terminal into the ______.
A. dendritic terminal B. junction between neurons C. afferent space D. nucleus
In a double-blind experimental procedure a. both the participant and experimenter know whether the participant received a drug or a placebo
b. the participant, but not the experimenter, knows whether he/she received a drug or a placebo. c. the experimenter, but not the participant, knows whether the participant received a drug or a placebo. d. neither the participant nor the experimenter knows whether the participant received a drug or a placebo.