If a mouse stands on its rear legs, makes a squeaking noise, and presses its forefeet against its body, what does it mean?
A)It is ready to mate.
B)It is done mating.
C)It is expressing aggression and willingness to defend itself.
D)It is signifying defeat and submission.
D
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Hemoglobin is released from old red cells and is converted by the liver into bilirubin and into urobilinogen in the ________
a. large intestines b. liver c. small intestines d. stomach
Which of the following is NOT a risk factor for an ergonomic (work-related) problem?
A. Performance of same motions every few seconds for over 2 to 4 hours at a time B. Working with outdated equipment C. Being in a fixed or an awkward posture for more than 2 to 4 hours D. Doing heavy lifting, unassisted, for more than 1 to 2 hours
Which of the following is the most significant mechanism of injury for a driver in a vehicle accident?
A) Spidering of the windshield B) Rear-end collision C) Encroachment greater than 12 inches of the driver's compartment D) Death of a passenger in the same vehicle
Which of the following is true about the biomechanical properties of a ligament (or tendon) if the width of the ligament is doubled?
a. Greater elongation before failure b. Less elongation before failure c. Increased strength before failure d. Decreased strength before failure