Which of the following statements about photoelectric smoke detectors is MOST accurate?
A. Photoelectric smoke detectors are ineffective at detecting Class C fires.
B. Photoelectric smoke detectors use a photoelectric cell coupled with ambient room light.
C. Photoelectric smoke detectors must be manually reset when conditions return to normal.
D. Photoelectric smoke detectors usually respond more quickly to smoldering fires than do ionization-type detectors.
D
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Which of the following best describes the function of the sacrotuberous and sacrospinous ligaments?
a. They prevent excessive counternutation of the sacrum on the innominates. b. They become most taut with end range of hip extension to effectively lock the sacrum and innominates together. c. They counterbalance the trunk forces that flex the sacral promontory. d. They form the superior border of the lesser sciatic foramen.
Female hamsters are very aggressive and usually dominate the males
Indicate whether the statement is true or false