In adults, the spinal cord is not the same length as the vertebral canal, and most of the lumbar part of the spinal cord is within
A. the coccyx.
B. the sacrum.
C. the cervical vertebrae.
D. the thoracic vertebrae.
E. the cauda equina.
D
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Which of the following is not accomplished by the cerebral cortex?
a. voluntary initiation of movement b. involuntary control of breathing, circulation, and digestion c. final sensory perception d. language ability e. personality traits
Which of these is a first-class lever?
A. The humeroulnar joint B. The knee joint C. The talocrural joint D. Any metacarpophalangeal joint E. The atlanto-occipital joint
Occlusion of which of the following would primarily damage the posterior wall of the heart?
A. circumflex artery B. pulmonary artery C. right marginal artery D. coronary sinus artery E. right coronary artery
Neurotransmitters are stored in vesicles in
A) myofibrils. B) motor units. C) motor neuron endings. D) motor end plates.