Your aunt is pregnant for the first time. She has heard that Kegel exercises are a good idea, but does not know how to perform them. You would tell her to tense the ____
a. muscles of the vagina and anus repeatedly for 10-second intervals
b. abdominal muscles repeatedly for 15-second intervals
c. quadriceps and hamstrings repeatedly for 10-second intervals
d. muscles of the lower back repeatedly for 10-second intervals
Answer: A
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The wrinkled surface of the brain, made up of about 10 billion neurons, is called the a. cerebral cortex. b. arachnoid meninx
c. hypothalamus. d. cerebellum universalis.
Two samples, each with n = 9 scores, produce an independent-measures t statistic of t = 2.00 . If the effect size is measured using r2, what is the value of r2?
a. 4/16 b. 4/20 c. 2/16 d. 2/18
Perception occurs:
a. after the rods and cones become activated b. when a stimulus activates a receptor causing an impulse that is processed by the brain c. after meaningful sensory experiences are created d. before transduction
Which of the following sensory abilities usually improved during middle adulthood?
a. vision for objects in the distance b. vision for objects in the near field of vision c. hearing for high-frequency sounds d. taste sensitivity