A biological cycle, or rhythm, that is approximately 24 hours long is called a(n) ___________ cycle
A) infradian
B) circadian
C) diurnal
D) ultradian
Answer: B
Rationale: Circadian rhythms are internally driven daily cycles of about 24 hours affecting physiological and behavioral processes. They involve the tendency to be asleep or awake at specific times, to feel hungrier during some parts of the day, and even the ability to concentrate
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Homeostasis and the control of species-typical behaviors are functions of the
a. basal ganglia. b. cerebellum. c. hippocampus. d. brain stem. e. amygdala.
Which of the following individuals is statistically most likely to attempt suicide?
A. A 78-year-old single white man from Wyoming with chronic back pain B. A 55-year-old African American woman from Maryland who has lost her job C. A 22-year-old Inuit woman who has just had a baby D. A 10-year-old boy from New York who has received a poor report card.