Which of the following was an adaptation that evolved in connection with human upright walking?
A) Color vision
B) Hair
C) Stereoscopic vision
D) Spinal and pelvic anatomy
E) Fully opposable thumbs
D
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Which of the following statements is/are true?
A. When the knee undergoes a significant amount of flexion, it is necessary for the femur to slide forward on the tibia in order to prevent its rolling off of the tibial plateau. B. During extension, the femur must slide backwards on the tibia. C. both A and B D. none of the above
Which of the following statements about energy is NOT correct?
a. Energy is subject to an input-output balance similar to that for water. b. An example of internal work is the energy expended by muscles to lift a heavy object. c. Almost 75% of nutrient energy is lost as heat and not used to do work. d. Energy is normally expressed in terms of heat energy. e. none of these.
Which of the following is the most abundant gas in our air?
A. Oxygen B. Hydrogen C. Nitrogen D. Argon
Movement of both of the eyes in unison is called:
A) dysconjugate gaze. B) sympathetic eye movement. C) extraocular movement. D) physiologic anisocoria.