Functions of proteins include
A. providing structural strength in connective tissue.
B. serving as a part of the cholesterol molecule.
C. serving as the primary energy source of cells.
D. transport of nitrogen gas in the blood.
E. padding and insulation.
A
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Bacteria infecting the mucous membranes in the air cells of the mastoid process most likely spread from the
A. middle ear. B. frontal sinus. C. maxillary sinus. D. meninges.
Normal healthy lungs are hard to the touch
Indicate whether the statement is true or false
The figure illustrates a cross section of the spinal cord. Which structure is indicated by "B"?
A. Ventral root B. Dorsal root ganglion C. Central canal D. Spinal nerve E. Dorsal root
Which of the following statements about neural control of digestion is FALSE?
A. Parasympathetic stimulation is excitatory to digestion. B. Sympathetic stimulation is generally inhibitory to digestion. C. Local neural networks (nerve plexuses) regulate digestive functions. D. Nerve plexuses receive input from the autonomic nervous system E. Parasympathetic stimulation inhibits GI exocrine gland secretions.