To settle a bet, you need to measure the length of your lower limb (head of femur to distal end of tibia). What landmarks would you use to make the measurement?
You could feel the lesser sciatic notch, which is at the same level as the head of the femur. You could feel the medial malleolus of the tibia at the ankle.
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The presence of which of the following causes skeletal muscle to be bright red?
A. Myoglobin B. Troponin C. A bands D. Tropomyosin E. Myosin
Patients with injuries to their thoracic spinal cord segment who are paralyzed in both legs are described as ________.
A. paraplegic B. quadriplegic C. suffering from Guillain-Barré syndrome D. suffering from meningitis
Which of the following is true about the mode of secretion of exocrine glands?
A) Merocrine glands are not altered by the secretory process. B) Apocrine cells are destroyed, then replaced, after secretion. C) Holocrine cells are slightly damaged by the secretory process, but repair themselves. D) These glands are ductless.
Air enters the respiratory passageways when the pressure inside the lungs is lower than the:
blood pressure atmospheric pressure abdominal pressure arterial pressure all of the choices are correct