Which is normally TRUE about the intrapleural pressure?
A. It is lower than alveolar pressure.
B. It is between +5 and +10 mm Hg above atmospheric pressure at functional residual capacity.
C. It alternates between being less than, and greater than, atmospheric pressure.
D. During a passive exhale, it increases to a value above atmospheric pressure.
E. It is always the same as atmospheric pressure during a passive exhale.
A
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When one motor neuron fires a single action potential the result affects one
A) synaptic cleft. B) motor unit. C) upper motor neuron. D) lower motor neuron. E) sensory unit.
Neuronal pools are collections of:
A) efferent neurons. B) interneurons. C) bipolar neurons. D) motor neurons.
Which muscle is a broad, flat, thin muscle that covers most of the lateral surface of the cervical and thoracic vertebrae?
A) splenius B) supraspinatus C) infraspinatus D) rhomboideus thoracis E) teres major
Which type of bone tissue appears porous?
A. Compact bone B. Spongy bone C. Both "spongy bone" and "compact bone" are correct.