The __________ flattens during inhalation
A- nasal cavities
B- epiglottis
C- bronchi
D- diaphragm
Answer: D- diaphragm
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The essential hormone that regulates the level of calcium in your blood is produced by the:
A) adrenals B) pituitary C) hypothalamus D) thymus E) parathyroids
Immune complex diseases are the result of widespread and continuous ________.
A. fever B. auto-antibody production C. inflammation D. All of the choices are correct.
Which of the following statements concerning the structure of spinal nerves is true?
A. The ventral root contains motor or efferent fibers. B. The ventral root has a prominent root ganglion. C. Rootlets from the surface of the spinal cord form the dorsal and ventral rami. D. Each spinal nerve is formed by the union of a cranial nerve and a spinal nerve. E. Spinal nerves do not have specific cutaneous distributions.
What does the term "power stroke" refer to?
A. The cleaving of ATP into ADP and a phosphate B. The shortening of actin filaments C. The transmission of a signal from the motor neuron to the muscle fiber D. The movement of the myosin head toward the center of the sarcomere E. The maximum force generated during a contraction