The entry of calcium into the synaptic knob triggers ____.
Fill in the blank(s) with the appropriate word(s).
exocytosis of neurotransmitter
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A. detect acceleration of the head. B. amplify sound waves and transmit them to the inner ear. C. determine static head position. D. support the tympanic membrane and protect hair cells of the inner ear. E. initiate action potentials that propagate to the
A. much larger than the tympanic membrane, and the ossicles therefore amplify sound waves. B. much smaller than the tympanic membrane, and the ossicles therefore amplify sound waves. C. much larger than the tympanic membrane, and the ossicles therefore dampen sound waves. D. much smaller than the tympanic membrane, and the ossicles therefore dampen sound waves.
Respiratory muscles that become active when the depth and frequency of respiration must be increased markedly include the
A) diaphragm. B) external and internal intercostals. C) transversus thoracis, abdominal obliques, and rectus abdominis. D) sternocleidomastoid, serratus anterior, and scalenes. E) All of the answers are correct.
Tranquilizers are relatively safe to use in wildlife
Indicate whether the statement is true or false
Which of the following statements most accurately describes hypoxia?
A. An increase in the amount of dissolved oxygen in plasma or air B. An increase in the amount of dissolved carbon dioxide in plasma or air C. A decrease in the amount of dissolved carbon dioxide in plasma or air D. A decrease in the amount of dissolved oxygen in plasma or air