Which of the following numbers correctly illustrates approximately how many sperm cells are contained in a single ejaculate?
a. around 1,000
b. 150 to 400 million
c. It depends on the size of the ejaculate.
d. It depends on the man's progesterone levels.
B
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Which of the following is an apparatus in which a computer constructs an image of the brain by combining thousands of individual X-rays taken at slightly different angles?
A. computerized axial tomography (CAT) scan B. electroencephalogram (EEG) C. functional magnetic resonance imaging (fMRI) scan D. psychophysiological array test (PAT)
Mel is at the obstetrician's office with his girlfriend Denise, who is pregnant with their child. They have just started the ninth week of the pregnancy, and the doctor explains to them that the unborn child's brain has developed distinct structures and is already beginning to regulate certain body functions. Based on what you know about prenatal development, you know that the period of the ____
has just begun. a. zygote b. embryo c. umbilicus d. fetus
Social exchange theory seeks to understand social behavior, including sexual behavior, ____
a. based on the principles of evolutionary theory b. by analyzing the costs and benefits of social interactions c. based on the principles of classical and operant learning theories d. by examining the impact of social interactions on a society's overall level of well-being
Describe a friend using Allport's trait theory, including common traits and the three types of individual traits; then describe this friend's personality using the five dimensions of the Big Five Personality Model
What will be an ideal response?