After kicking a ball at a soccer match, Leticia feels excruciating pain at the back of her thigh. She has likely suffered an injury to which of the following?
A. The sciatic nerve
B. The quadriceps femoris
C. The thigh adductors
D. The hamstrings
E. The calcaneal tendon
D. The hamstrings
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A flat, thin structure made of dense connective tissue that serves to attach a muscle to a bone (or to another muscle) is a(n)
A. aponeurosis. B. tendon. C. perimysium. D. myolemma. E. superficial fascia.
What structure does "A" represent on the diagram of the plasma membrane?
A. Peripheral protein B. Phospholipid bilayer C. Membrane channel protein D. Internal membrane surface E. Integral protein
A 65-year-old female with a smoking history of 2 packs/day for 30 years has been diagnosed with chronic obstructive lung disease. She most likely has increased mucus viscosity due to:
A. bronchoconstriction B. stimulation of parasympathetic fibers in bronchial glands C. stimulation of the sympathetic nerves D. abnormal breathing pattern E. stimulation of smooth muscles
Which of the following structures is a barrier to the filtration of proteins across the glomerulus?
A. capillary endothelial cells B. basement membrane C. lacis cells D. parietal epithelial cells E. mesangial cells