What action(s) do the gracilis, hamstring, and sartorius muscles perform on the lower leg?
A) flex the leg at the knee joint
B) extend the leg at the knee joint
C) a and b
D) The muscles listed do not move the lower leg.
A
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Which of the following statements about smoke detectors is MOST accurate?
A. Smoke detectors initiate an alarm much slower than heat detectors. B. In most cases, smoke detectors are installed in nonresidential and large multi-family occupancies. C. Smoke detectors are self-contained units capable of both detecting smoke and sounding an alarm. D. Typically, smoke detectors are installed in single-family residences and smaller multi-family occupancies.
The ________ is used to diagnose breast tumors, abscesses, and fibrocystic disease.
A. mammography B. myelography C. thermograph D. radiation therapy
A _________ contains no organelles and is basically a protein coat that covers a DNA or RNA strand.
A. bacterium B. fungus C. virus D. mold
With the patient in the posterior-anterior projection of the abdomen (prone),
a. renal stones would have high resolution. b. the lumbar vertebrae would have high resolution. c. the psoas muscles would have high resolution. d. the anterior ribs would have high resolution.