Which of the following accurately describes the effect of Internet sites on sexual health?
A. Almost always negative, and frequently tragic
B. Almost always negative, though only mildly so
C. Both negative and positive
D. Almost always positive, because these sites usually contain accurate information on human sexuality
C. Both negative and positive
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Proteins may be degraded by proteosomes because
A) They have become damaged. B) They are labeled with ubiquitin. C) They are proteins which are rapidly degraded as part of the cell's control of protein levels. D) All of the above
A drug that inhibited acetylcholinesterase would result in
A. poor muscle stimulation due to enhanced ACh breakdown. B. enhanced stimulation of the muscle due to decreased ACh breakdown. C. enhanced stimulation of the muscle due to enhanced ACh release. D. a failure to stimulate the muscle due to decreased ACh release.
Which of the following is NOT part of the quadriceps femoris?
A. Vastus intermedius B. Vastus lateralis C. Rectus femoris D. Biceps femoris
What is the mediastinum?
A. The space between the pleural cavities that contains the heart, esophagus, trachea, thymus, and major vessels B. The wall separating the thoracic cavity from the abdominopelvic cavity C. The three layers of membrane surrounding the brain and spinal cord D. Another name for the anatomical cavity located in the middle of the body